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 (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
31°C maximum daytime temperature in January in Port Moresby31
31°C maximum daytime temperature in February in Port Moresby31
31°C maximum daytime temperature in March in Port Moresby31
30°C maximum daytime temperature in April in Port Moresby30
30°C maximum daytime temperature in May in Port Moresby30
29°C maximum daytime temperature in June in Port Moresby29
29°C maximum daytime temperature in July in Port Moresby29
29°C maximum daytime temperature in August in Port Moresby29
30°C maximum daytime temperature in September in Port Moresby30
31°C maximum daytime temperature in October in Port Moresby31
31°C maximum daytime temperature in November in Port Moresby31
31°C maximum daytime temperature in December in Port Moresby31
Min temperature (night-time)
23°C minimum night-time temperature in January in Port Moresby23
23°C minimum night-time temperature in February in Port Moresby23
23°C minimum night-time temperature in March in Port Moresby23
23°C minimum night-time temperature in April in Port Moresby23
24°C minimum night-time temperature in May in Port Moresby24
22°C minimum night-time temperature in June in Port Moresby22
22°C minimum night-time temperature in July in Port Moresby22
22°C minimum night-time temperature in August in Port Moresby22
22°C minimum night-time temperature in September in Port Moresby22
23°C minimum night-time temperature in October in Port Moresby23
23°C minimum night-time temperature in November in Port Moresby23
23°C minimum night-time temperature in December in Port Moresby23
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
29°C sea temperature in January in Port Moresby29
29°C sea temperature in February in Port Moresby29
29°C sea temperature in March in Port Moresby29
28°C sea temperature in April in Port Moresby28
28°C sea temperature in May in Port Moresby28
26°C sea temperature in June in Port Moresby26
26°C sea temperature in July in Port Moresby26
25°C sea temperature in August in Port Moresby25
25°C sea temperature in September in Port Moresby25
26°C sea temperature in October in Port Moresby26
27°C sea temperature in November in Port Moresby27
29°C sea temperature in December in Port Moresby29

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 (mm)
231 mm monthly rainfall in January in Port Moresby231
225 mm monthly rainfall in February in Port Moresby225
248 mm monthly rainfall in March in Port Moresby248
149 mm monthly rainfall in April in Port Moresby149
107 mm monthly rainfall in May in Port Moresby107
68 mm monthly rainfall in June in Port Moresby68
40 mm monthly rainfall in July in Port Moresby40
49 mm monthly rainfall in August in Port Moresby49
82 mm monthly rainfall in September in Port Moresby82
87 mm monthly rainfall in October in Port Moresby87
98 mm monthly rainfall in November in Port Moresby98
168 mm monthly rainfall in December in Port Moresby168

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 31°C 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 231 mm of rainfall in the month.

  • 31°C maximum daytime temperature in January in Port Moresby31
    31°C max day temperature
  • 6 hours of sunshine per day
  • 19 days with some rainfall in January in Port Moresby19
    19 days with some rainfall
  • 23°C minimum night-time temperature in January in Port Moresby23
    23°C 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
  • 231 mm monthly rainfall in January in Port Moresby231
    231 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in January in Port Moresby11
    11+ (Extreme) UV index
  • 29°C sea temperature in January in Port Moresby29
    29°C sea temperature

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Port Moresby weather in February

Expect daytime maximum temperatures of 31°C 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 225 mm of rainfall in the month.

  • 31°C maximum daytime temperature in February in Port Moresby31
    31°C max day temperature
  • 6 hours of sunshine per day
  • 17 days with some rainfall in February in Port Moresby17
    17 days with some rainfall
  • 23°C minimum night-time temperature in February in Port Moresby23
    23°C 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
  • 225 mm monthly rainfall in February in Port Moresby225
    225 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in February in Port Moresby11
    11+ (Extreme) UV index
  • 29°C sea temperature in February in Port Moresby29
    29°C sea temperature

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Port Moresby weather in March

Expect daytime maximum temperatures of 31°C 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 248 mm of rainfall in the month.

  • 31°C maximum daytime temperature in March in Port Moresby31
    31°C max day temperature
  • 6 hours of sunshine per day
  • 19 days with some rainfall in March in Port Moresby19
    19 days with some rainfall
  • 23°C minimum night-time temperature in March in Port Moresby23
    23°C 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
  • 248 mm monthly rainfall in March in Port Moresby248
    248 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in March in Port Moresby11
    11+ (Extreme) UV index
  • 29°C sea temperature in March in Port Moresby29
    29°C sea temperature

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Port Moresby weather in April

Expect daytime maximum temperatures of 30°C 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 149 mm of rainfall in the month.

  • 30°C maximum daytime temperature in April in Port Moresby30
    30°C max day temperature
  • 6 hours of sunshine per day
  • 14 days with some rainfall in April in Port Moresby14
    14 days with some rainfall
  • 23°C minimum night-time temperature in April in Port Moresby23
    23°C 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
  • 149 mm monthly rainfall in April in Port Moresby149
    149 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in April in Port Moresby11
    11+ (Extreme) UV index
  • 28°C sea temperature in April in Port Moresby28
    28°C sea temperature

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Port Moresby weather in May

Expect daytime maximum temperatures of 30°C 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 107 mm of rainfall in the month.

  • 30°C maximum daytime temperature in May in Port Moresby30
    30°C max day temperature
  • 6 hours of sunshine per day
  • 11 days with some rainfall in May in Port Moresby11
    11 days with some rainfall
  • 24°C minimum night-time temperature in May in Port Moresby24
    24°C 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
  • 107 mm monthly rainfall in May in Port Moresby107
    107 mm of monthly rainfall
  • UV (maximum) index 11 (Extreme) in May in Port Moresby11
    11 (Extreme) UV index
  • 28°C sea temperature in May in Port Moresby28
    28°C sea temperature

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Port Moresby weather in June

Expect daytime maximum temperatures of 29°C 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 68 mm of rainfall in the month.

  • 29°C maximum daytime temperature in June in Port Moresby29
    29°C max day temperature
  • 6 hours of sunshine per day
  • 7 days with some rainfall in June in Port Moresby7
    7 days with some rainfall
  • 22°C minimum night-time temperature in June in Port Moresby22
    22°C 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
  • 68 mm monthly rainfall in June in Port Moresby68
    68 mm of monthly rainfall
  • UV (maximum) index 9 (Very High) in June in Port Moresby9
    9 (Very High) UV index
  • 26°C sea temperature in June in Port Moresby26
    26°C sea temperature

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Port Moresby weather in July

Expect daytime maximum temperatures of 29°C 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 40 mm of rainfall in the month.

  • 29°C maximum daytime temperature in July in Port Moresby29
    29°C max day temperature
  • 6 hours of sunshine per day
  • 7 days with some rainfall in July in Port Moresby7
    7 days with some rainfall
  • 22°C minimum night-time temperature in July in Port Moresby22
    22°C 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
  • 40 mm monthly rainfall in July in Port Moresby40
    40 mm of monthly rainfall
  • UV (maximum) index 10 (Very High) in July in Port Moresby10
    10 (Very High) UV index
  • 26°C sea temperature in July in Port Moresby26
    26°C sea temperature

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Port Moresby weather in August

Expect daytime maximum temperatures of 29°C 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 49 mm of rainfall in the month.

  • 29°C maximum daytime temperature in August in Port Moresby29
    29°C max day temperature
  • 7 hours of sunshine per day
  • 6 days with some rainfall in August in Port Moresby6
    6 days with some rainfall
  • 22°C minimum night-time temperature in August in Port Moresby22
    22°C 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
  • 49 mm monthly rainfall in August in Port Moresby49
    49 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in August in Port Moresby11
    11+ (Extreme) UV index
  • 25°C sea temperature in August in Port Moresby25
    25°C sea temperature

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Port Moresby weather in September

Expect daytime maximum temperatures of 30°C 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 82 mm of rainfall in the month.

  • 30°C maximum daytime temperature in September in Port Moresby30
    30°C max day temperature
  • 7 hours of sunshine per day
  • 7 days with some rainfall in September in Port Moresby7
    7 days with some rainfall
  • 22°C minimum night-time temperature in September in Port Moresby22
    22°C 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
  • 82 mm monthly rainfall in September in Port Moresby82
    82 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Port Moresby11
    11+ (Extreme) UV index
  • 25°C sea temperature in September in Port Moresby25
    25°C sea temperature

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Port Moresby weather in October

Expect daytime maximum temperatures of 31°C 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 87 mm of rainfall in the month.

  • 31°C maximum daytime temperature in October in Port Moresby31
    31°C max day temperature
  • 7 hours of sunshine per day
  • 7 days with some rainfall in October in Port Moresby7
    7 days with some rainfall
  • 23°C minimum night-time temperature in October in Port Moresby23
    23°C 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
  • 87 mm monthly rainfall in October in Port Moresby87
    87 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in October in Port Moresby11
    11+ (Extreme) UV index
  • 26°C sea temperature in October in Port Moresby26
    26°C sea temperature

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Port Moresby weather in November

Expect daytime maximum temperatures of 31°C 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 98 mm of rainfall in the month.

  • 31°C maximum daytime temperature in November in Port Moresby31
    31°C max day temperature
  • 7 hours of sunshine per day
  • 8 days with some rainfall in November in Port Moresby8
    8 days with some rainfall
  • 23°C minimum night-time temperature in November in Port Moresby23
    23°C 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
  • 98 mm monthly rainfall in November in Port Moresby98
    98 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in November in Port Moresby11
    11+ (Extreme) UV index
  • 27°C sea temperature in November in Port Moresby27
    27°C sea temperature

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Port Moresby weather in December

Expect daytime maximum temperatures of 31°C 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 168 mm of rainfall in the month.

  • 31°C maximum daytime temperature in December in Port Moresby31
    31°C max day temperature
  • 6 hours of sunshine per day
  • 13 days with some rainfall in December in Port Moresby13
    13 days with some rainfall
  • 23°C minimum night-time temperature in December in Port Moresby23
    23°C 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
  • 168 mm monthly rainfall in December in Port Moresby168
    168 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in December in Port Moresby11
    11+ (Extreme) UV index
  • 29°C sea temperature in December in Port Moresby29
    29°C 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 / mm)  |  Imperial (°F / inches)

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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 (°C)

Port Moresby, Papua New Guinea
UK (London)
31
7
31
7
31
10
30
13
30
17
29
20
29
22
29
22
30
19
31
15
31
10
31
8
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C / mm)  |  Imperial (°F / inches)

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