Port Moresby weather by month

Check out Port Moresby weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

Temperature in Port Moresby (°F)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
88°F maximum daytime temperature in January in Port Moresby88
88°F maximum daytime temperature in February in Port Moresby88
88°F maximum daytime temperature in March in Port Moresby88
86°F maximum daytime temperature in April in Port Moresby86
86°F maximum daytime temperature in May in Port Moresby86
84°F maximum daytime temperature in June in Port Moresby84
84°F maximum daytime temperature in July in Port Moresby84
84°F maximum daytime temperature in August in Port Moresby84
86°F maximum daytime temperature in September in Port Moresby86
88°F maximum daytime temperature in October in Port Moresby88
88°F maximum daytime temperature in November in Port Moresby88
88°F maximum daytime temperature in December in Port Moresby88
Min temperature (night-time)
73°F minimum night-time temperature in January in Port Moresby73
73°F minimum night-time temperature in February in Port Moresby73
73°F minimum night-time temperature in March in Port Moresby73
73°F minimum night-time temperature in April in Port Moresby73
75°F minimum night-time temperature in May in Port Moresby75
72°F minimum night-time temperature in June in Port Moresby72
72°F minimum night-time temperature in July in Port Moresby72
72°F minimum night-time temperature in August in Port Moresby72
72°F minimum night-time temperature in September in Port Moresby72
73°F minimum night-time temperature in October in Port Moresby73
73°F minimum night-time temperature in November in Port Moresby73
73°F minimum night-time temperature in December in Port Moresby73
Heat & Humidity
Very high heat & humidity in January in Port MoresbyVH
Very high heat & humidity in February in Port MoresbyVH
Very high heat & humidity in March in Port MoresbyVH
High heat & humidity in April in Port MoresbyH
High heat & humidity in May in Port MoresbyH
High heat & humidity in June in Port MoresbyH
High heat & humidity in July in Port MoresbyH
High heat & humidity in August in Port MoresbyH
High heat & humidity in September in Port MoresbyH
High heat & humidity in October in Port MoresbyH
Very high heat & humidity in November in Port MoresbyVH
Very high heat & humidity in December in Port MoresbyVH
Sea temperature
84°F sea temperature in January in Port Moresby84
84°F sea temperature in February in Port Moresby84
84°F sea temperature in March in Port Moresby84
82°F sea temperature in April in Port Moresby82
82°F sea temperature in May in Port Moresby82
79°F sea temperature in June in Port Moresby79
79°F sea temperature in July in Port Moresby79
77°F sea temperature in August in Port Moresby77
77°F sea temperature in September in Port Moresby77
79°F sea temperature in October in Port Moresby79
81°F sea temperature in November in Port Moresby81
84°F sea temperature in December in Port Moresby84

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Sunshine & Daylight in Port Moresby

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight
13 hours of daylight per day in January in Port Moresby13
12 hours of daylight per day in February in Port Moresby12
12 hours of daylight per day in March in Port Moresby12
12 hours of daylight per day in April in Port Moresby12
12 hours of daylight per day in May in Port Moresby12
12 hours of daylight per day in June in Port Moresby12
12 hours of daylight per day in July in Port Moresby12
12 hours of daylight per day in August in Port Moresby12
12 hours of daylight per day in September in Port Moresby12
12 hours of daylight per day in October in Port Moresby12
13 hours of daylight per day in November in Port Moresby13
13 hours of daylight per day in December in Port Moresby13
UV Index (Maximum)
UV (maximum) index 11+ (Extreme) in January in Port Moresby11
UV (maximum) index 11+ (Extreme) in February in Port Moresby11
UV (maximum) index 11+ (Extreme) in March in Port Moresby11
UV (maximum) index 11+ (Extreme) in April in Port Moresby11
UV (maximum) index 11 (Extreme) in May in Port Moresby11
UV (maximum) index 9 (Very High) in June in Port Moresby9
UV (maximum) index 10 (Very High) in July in Port Moresby10
UV (maximum) index 11+ (Extreme) in August in Port Moresby11
UV (maximum) index 11+ (Extreme) in September in Port Moresby11
UV (maximum) index 11+ (Extreme) in October in Port Moresby11
UV (maximum) index 11+ (Extreme) in November in Port Moresby11
UV (maximum) index 11+ (Extreme) in December in Port Moresby11

Rainfall in Port Moresby

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
19 days with some rainfall in January in Port Moresby19
17 days with some rainfall in February in Port Moresby17
19 days with some rainfall in March in Port Moresby19
14 days with some rainfall in April in Port Moresby14
11 days with some rainfall in May in Port Moresby11
7 days with some rainfall in June in Port Moresby7
7 days with some rainfall in July in Port Moresby7
6 days with some rainfall in August in Port Moresby6
7 days with some rainfall in September in Port Moresby7
7 days with some rainfall in October in Port Moresby7
8 days with some rainfall in November in Port Moresby8
13 days with some rainfall in December in Port Moresby13
Average monthly rainfall (inches)
9.1 inches monthly rainfall in January in Port Moresby9.1
8.9 inches monthly rainfall in February in Port Moresby8.9
9.8 inches monthly rainfall in March in Port Moresby9.8
5.9 inches monthly rainfall in April in Port Moresby5.9
4.2 inches monthly rainfall in May in Port Moresby4.2
2.7 inches monthly rainfall in June in Port Moresby2.7
1.6 inches monthly rainfall in July in Port Moresby1.6
1.9 inches monthly rainfall in August in Port Moresby1.9
3.2 inches monthly rainfall in September in Port Moresby3.2
3.4 inches monthly rainfall in October in Port Moresby3.4
3.9 inches monthly rainfall in November in Port Moresby3.9
6.6 inches monthly rainfall in December in Port Moresby6.6

More about Port Moresby

Port Moresby by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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The climate guide for Papua New Guinea (Port Moresby) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

What's the climate like in Port Moresby?

Port Moresby has a hot tropical climate with a winter dry season.

Port Moresby weather in January

Expect daytime maximum temperatures of 88°F in Port Moresby, Papua New Guinea in January and very high heat and humidity based on long-term weather averages. There are 6 hours of sunshine per day on average with 19 days with some rainfall and typically 9.1 inches of rainfall in the month.

  • 88°F maximum daytime temperature in January in Port Moresby88
    88°F max day temperature
  • 6 hours of sunshine per day
  • 19 days with some rainfall in January in Port Moresby19
    19 days with some rainfall
  • 73°F minimum night-time temperature in January in Port Moresby73
    73°F min night temperature
  • 13 hours of daylight per day in January in Port Moresby13
    13 hours of daylight per day
  • Very high heat & humidity in January in Port MoresbyVH
    Very High heat & humidity
  • 9.1 inches monthly rainfall in January in Port Moresby9.1
    9.1 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in January in Port Moresby11
    11+ (Extreme) UV index
  • 84°F sea temperature in January in Port Moresby84
    84°F sea temperature

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Port Moresby weather in February

Expect daytime maximum temperatures of 88°F in Port Moresby, Papua New Guinea in February and very high heat and humidity based on long-term weather averages. There are 6 hours of sunshine per day on average with 17 days with some rainfall and typically 8.9 inches of rainfall in the month.

  • 88°F maximum daytime temperature in February in Port Moresby88
    88°F max day temperature
  • 6 hours of sunshine per day
  • 17 days with some rainfall in February in Port Moresby17
    17 days with some rainfall
  • 73°F minimum night-time temperature in February in Port Moresby73
    73°F min night temperature
  • 12 hours of daylight per day in February in Port Moresby12
    12 hours of daylight per day
  • Very high heat & humidity in February in Port MoresbyVH
    Very High heat & humidity
  • 8.9 inches monthly rainfall in February in Port Moresby8.9
    8.9 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in February in Port Moresby11
    11+ (Extreme) UV index
  • 84°F sea temperature in February in Port Moresby84
    84°F sea temperature

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Port Moresby weather in March

Expect daytime maximum temperatures of 88°F in Port Moresby, Papua New Guinea in March and very high heat and humidity based on long-term weather averages. There are 6 hours of sunshine per day on average with 19 days with some rainfall and typically 9.8 inches of rainfall in the month.

  • 88°F maximum daytime temperature in March in Port Moresby88
    88°F max day temperature
  • 6 hours of sunshine per day
  • 19 days with some rainfall in March in Port Moresby19
    19 days with some rainfall
  • 73°F minimum night-time temperature in March in Port Moresby73
    73°F min night temperature
  • 12 hours of daylight per day in March in Port Moresby12
    12 hours of daylight per day
  • Very high heat & humidity in March in Port MoresbyVH
    Very High heat & humidity
  • 9.8 inches monthly rainfall in March in Port Moresby9.8
    9.8 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in March in Port Moresby11
    11+ (Extreme) UV index
  • 84°F sea temperature in March in Port Moresby84
    84°F sea temperature

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Port Moresby weather in April

Expect daytime maximum temperatures of 86°F in Port Moresby, Papua New Guinea in April and high heat and humidity based on long-term weather averages. There are 6 hours of sunshine per day on average with 14 days with some rainfall and typically 5.9 inches of rainfall in the month.

  • 86°F maximum daytime temperature in April in Port Moresby86
    86°F max day temperature
  • 6 hours of sunshine per day
  • 14 days with some rainfall in April in Port Moresby14
    14 days with some rainfall
  • 73°F minimum night-time temperature in April in Port Moresby73
    73°F min night temperature
  • 12 hours of daylight per day in April in Port Moresby12
    12 hours of daylight per day
  • High heat & humidity in April in Port MoresbyH
    High heat & humidity
  • 5.9 inches monthly rainfall in April in Port Moresby5.9
    5.9 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in April in Port Moresby11
    11+ (Extreme) UV index
  • 82°F sea temperature in April in Port Moresby82
    82°F sea temperature

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Port Moresby weather in May

Expect daytime maximum temperatures of 86°F in Port Moresby, Papua New Guinea in May and high heat and humidity based on long-term weather averages. There are 6 hours of sunshine per day on average with 11 days with some rainfall and typically 4.2 inches of rainfall in the month.

  • 86°F maximum daytime temperature in May in Port Moresby86
    86°F max day temperature
  • 6 hours of sunshine per day
  • 11 days with some rainfall in May in Port Moresby11
    11 days with some rainfall
  • 75°F minimum night-time temperature in May in Port Moresby75
    75°F min night temperature
  • 12 hours of daylight per day in May in Port Moresby12
    12 hours of daylight per day
  • High heat & humidity in May in Port MoresbyH
    High heat & humidity
  • 4.2 inches monthly rainfall in May in Port Moresby4.2
    4.2 inches of monthly rainfall
  • UV (maximum) index 11 (Extreme) in May in Port Moresby11
    11 (Extreme) UV index
  • 82°F sea temperature in May in Port Moresby82
    82°F sea temperature

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Port Moresby weather in June

Expect daytime maximum temperatures of 84°F in Port Moresby, Papua New Guinea in June and high heat and humidity based on long-term weather averages. There are 6 hours of sunshine per day on average with typically 2.7 inches of rainfall in the month.

  • 84°F maximum daytime temperature in June in Port Moresby84
    84°F max day temperature
  • 6 hours of sunshine per day
  • 7 days with some rainfall in June in Port Moresby7
    7 days with some rainfall
  • 72°F minimum night-time temperature in June in Port Moresby72
    72°F min night temperature
  • 12 hours of daylight per day in June in Port Moresby12
    12 hours of daylight per day
  • High heat & humidity in June in Port MoresbyH
    High heat & humidity
  • 2.7 inches monthly rainfall in June in Port Moresby2.7
    2.7 inches of monthly rainfall
  • UV (maximum) index 9 (Very High) in June in Port Moresby9
    9 (Very High) UV index
  • 79°F sea temperature in June in Port Moresby79
    79°F sea temperature

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Port Moresby weather in July

Expect daytime maximum temperatures of 84°F in Port Moresby, Papua New Guinea in July and high heat and humidity based on long-term weather averages. There are 6 hours of sunshine per day on average with typically 1.6 inches of rainfall in the month.

  • 84°F maximum daytime temperature in July in Port Moresby84
    84°F max day temperature
  • 6 hours of sunshine per day
  • 7 days with some rainfall in July in Port Moresby7
    7 days with some rainfall
  • 72°F minimum night-time temperature in July in Port Moresby72
    72°F min night temperature
  • 12 hours of daylight per day in July in Port Moresby12
    12 hours of daylight per day
  • High heat & humidity in July in Port MoresbyH
    High heat & humidity
  • 1.6 inches monthly rainfall in July in Port Moresby1.6
    1.6 inches of monthly rainfall
  • UV (maximum) index 10 (Very High) in July in Port Moresby10
    10 (Very High) UV index
  • 79°F sea temperature in July in Port Moresby79
    79°F sea temperature

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Port Moresby weather in August

Expect daytime maximum temperatures of 84°F in Port Moresby, Papua New Guinea in August and high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 1.9 inches of rainfall in the month.

  • 84°F maximum daytime temperature in August in Port Moresby84
    84°F max day temperature
  • 7 hours of sunshine per day
  • 6 days with some rainfall in August in Port Moresby6
    6 days with some rainfall
  • 72°F minimum night-time temperature in August in Port Moresby72
    72°F min night temperature
  • 12 hours of daylight per day in August in Port Moresby12
    12 hours of daylight per day
  • High heat & humidity in August in Port MoresbyH
    High heat & humidity
  • 1.9 inches monthly rainfall in August in Port Moresby1.9
    1.9 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in August in Port Moresby11
    11+ (Extreme) UV index
  • 77°F sea temperature in August in Port Moresby77
    77°F sea temperature

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Port Moresby weather in September

Expect daytime maximum temperatures of 86°F in Port Moresby, Papua New Guinea in September and high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 3.2 inches of rainfall in the month.

  • 86°F maximum daytime temperature in September in Port Moresby86
    86°F max day temperature
  • 7 hours of sunshine per day
  • 7 days with some rainfall in September in Port Moresby7
    7 days with some rainfall
  • 72°F minimum night-time temperature in September in Port Moresby72
    72°F min night temperature
  • 12 hours of daylight per day in September in Port Moresby12
    12 hours of daylight per day
  • High heat & humidity in September in Port MoresbyH
    High heat & humidity
  • 3.2 inches monthly rainfall in September in Port Moresby3.2
    3.2 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Port Moresby11
    11+ (Extreme) UV index
  • 77°F sea temperature in September in Port Moresby77
    77°F sea temperature

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Port Moresby weather in October

Expect daytime maximum temperatures of 88°F in Port Moresby, Papua New Guinea in October and high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 3.4 inches of rainfall in the month.

  • 88°F maximum daytime temperature in October in Port Moresby88
    88°F max day temperature
  • 7 hours of sunshine per day
  • 7 days with some rainfall in October in Port Moresby7
    7 days with some rainfall
  • 73°F minimum night-time temperature in October in Port Moresby73
    73°F min night temperature
  • 12 hours of daylight per day in October in Port Moresby12
    12 hours of daylight per day
  • High heat & humidity in October in Port MoresbyH
    High heat & humidity
  • 3.4 inches monthly rainfall in October in Port Moresby3.4
    3.4 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in October in Port Moresby11
    11+ (Extreme) UV index
  • 79°F sea temperature in October in Port Moresby79
    79°F sea temperature

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Port Moresby weather in November

Expect daytime maximum temperatures of 88°F in Port Moresby, Papua New Guinea in November and very high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 3.9 inches of rainfall in the month.

  • 88°F maximum daytime temperature in November in Port Moresby88
    88°F max day temperature
  • 7 hours of sunshine per day
  • 8 days with some rainfall in November in Port Moresby8
    8 days with some rainfall
  • 73°F minimum night-time temperature in November in Port Moresby73
    73°F min night temperature
  • 13 hours of daylight per day in November in Port Moresby13
    13 hours of daylight per day
  • Very high heat & humidity in November in Port MoresbyVH
    Very High heat & humidity
  • 3.9 inches monthly rainfall in November in Port Moresby3.9
    3.9 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in November in Port Moresby11
    11+ (Extreme) UV index
  • 81°F sea temperature in November in Port Moresby81
    81°F sea temperature

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Port Moresby weather in December

Expect daytime maximum temperatures of 88°F in Port Moresby, Papua New Guinea in December and very high heat and humidity based on long-term weather averages. There are 6 hours of sunshine per day on average with 13 days with some rainfall and typically 6.6 inches of rainfall in the month.

  • 88°F maximum daytime temperature in December in Port Moresby88
    88°F max day temperature
  • 6 hours of sunshine per day
  • 13 days with some rainfall in December in Port Moresby13
    13 days with some rainfall
  • 73°F minimum night-time temperature in December in Port Moresby73
    73°F min night temperature
  • 13 hours of daylight per day in December in Port Moresby13
    13 hours of daylight per day
  • Very high heat & humidity in December in Port MoresbyVH
    Very High heat & humidity
  • 6.6 inches monthly rainfall in December in Port Moresby6.6
    6.6 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in December in Port Moresby11
    11+ (Extreme) UV index
  • 84°F sea temperature in December in Port Moresby84
    84°F sea temperature

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More about Port Moresby

Port Moresby by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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The climate guide for Papua New Guinea (Port Moresby) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C)  |  Imperial (°F)

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Tropical storm risk: Port Moresby, Papua New Guinea cyclone season

% of month affected by tropical storms
0
0
<1%
<1%
0
0
0
0
0
0
0
0
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

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Compare Port Moresby with the UK

Below the Port Moresby chart shows average maximum daytime temperature for Port Moresby, Papua New Guinea and the UK (London).

Maximum daytime temperature (°F)

Port Moresby, Papua New Guinea
UK (London)
88
45
88
45
88
50
86
55
86
63
84
68
84
72
84
72
86
66
88
59
88
50
88
46
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C)  |  Imperial (°F)

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