Mount Isa weather by month

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

Temperature in Mount Isa (°F)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
97°F maximum daytime temperature in January in Mount Isa97
95°F maximum daytime temperature in February in Mount Isa95
93°F maximum daytime temperature in March in Mount Isa93
88°F maximum daytime temperature in April in Mount Isa88
81°F maximum daytime temperature in May in Mount Isa81
75°F maximum daytime temperature in June in Mount Isa75
75°F maximum daytime temperature in July in Mount Isa75
79°F maximum daytime temperature in August in Mount Isa79
86°F maximum daytime temperature in September in Mount Isa86
93°F maximum daytime temperature in October in Mount Isa93
97°F maximum daytime temperature in November in Mount Isa97
99°F maximum daytime temperature in December in Mount Isa99
Min temperature (night-time)
73°F minimum night-time temperature in January in Mount Isa73
73°F minimum night-time temperature in February in Mount Isa73
70°F minimum night-time temperature in March in Mount Isa70
64°F minimum night-time temperature in April in Mount Isa64
57°F minimum night-time temperature in May in Mount Isa57
48°F minimum night-time temperature in June in Mount Isa48
46°F minimum night-time temperature in July in Mount Isa46
50°F minimum night-time temperature in August in Mount Isa50
57°F minimum night-time temperature in September in Mount Isa57
64°F minimum night-time temperature in October in Mount Isa64
70°F minimum night-time temperature in November in Mount Isa70
72°F minimum night-time temperature in December in Mount Isa72
Heat & Humidity
Very high heat & humidity in January in Mount IsaVH
Very high heat & humidity in February in Mount IsaVH
High heat & humidity in March in Mount IsaH
Moderate heat & humidity in April in Mount IsaM
Low heat & humidity in May in Mount IsaL
No heat & humidity in June in Mount Isa0
No heat & humidity in July in Mount Isa0
Low heat & humidity in August in Mount IsaL
Moderate heat & humidity in September in Mount IsaM
High heat & humidity in October in Mount IsaH
High heat & humidity in November in Mount IsaH
Very high heat & humidity in December in Mount IsaVH

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

Sunshine & UV index in Mount Isa

  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 Mount Isa13
13 hours of daylight per day in February in Mount Isa13
12 hours of daylight per day in March in Mount Isa12
12 hours of daylight per day in April in Mount Isa12
11 hours of daylight per day in May in Mount Isa11
11 hours of daylight per day in June in Mount Isa11
11 hours of daylight per day in July in Mount Isa11
11 hours of daylight per day in August in Mount Isa11
12 hours of daylight per day in September in Mount Isa12
13 hours of daylight per day in October in Mount Isa13
13 hours of daylight per day in November in Mount Isa13
13 hours of daylight per day in December in Mount Isa13
UV Index (Maximum)
UV (maximum) index 11+ (Extreme) in January in Mount Isa11
UV (maximum) index 11+ (Extreme) in February in Mount Isa11
UV (maximum) index 11+ (Extreme) in March in Mount Isa11
UV (maximum) index 10 (Very High) in April in Mount Isa10
UV (maximum) index 7 (High) in May in Mount Isa7
UV (maximum) index 6 (High) in June in Mount Isa6
UV (maximum) index 6 (High) in July in Mount Isa6
UV (maximum) index 8 (Very High) in August in Mount Isa8
UV (maximum) index 10 (Very High) in September in Mount Isa10
UV (maximum) index 11+ (Extreme) in October in Mount Isa11
UV (maximum) index 11+ (Extreme) in November in Mount Isa11
UV (maximum) index 11+ (Extreme) in December in Mount Isa11

Rainfall in Mount Isa

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
10 days with some rainfall in January in Mount Isa10
9 days with some rainfall in February in Mount Isa9
7 days with some rainfall in March in Mount Isa7
3 days with some rainfall in April in Mount Isa3
2 days with some rainfall in May in Mount Isa2
2 days with some rainfall in June in Mount Isa2
2 days with some rainfall in July in Mount Isa2
2 days with some rainfall in August in Mount Isa2
2 days with some rainfall in September in Mount Isa2
4 days with some rainfall in October in Mount Isa4
4 days with some rainfall in November in Mount Isa4
7 days with some rainfall in December in Mount Isa7
Average monthly rainfall (inches)
3.8 inches monthly rainfall in January in Mount Isa3.8
3.6 inches monthly rainfall in February in Mount Isa3.6
2.3 inches monthly rainfall in March in Mount Isa2.3
0.7 inches monthly rainfall in April in Mount Isa0.7
0.7 inches monthly rainfall in May in Mount Isa0.7
0.4 inches monthly rainfall in June in Mount Isa0.4
0.5 inches monthly rainfall in July in Mount Isa0.5
0.3 inches monthly rainfall in August in Mount Isa0.3
0.5 inches monthly rainfall in September in Mount Isa0.5
0.8 inches monthly rainfall in October in Mount Isa0.8
1.3 inches monthly rainfall in November in Mount Isa1.3
2.4 inches monthly rainfall in December in Mount Isa2.4

More about Mount Isa

Mount Isa by month

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

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The climate guide for Queensland (Mount Isa) 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 Mount Isa?

Mount Isa has a hot semi arid climate.

Mount Isa weather in January

Expect daytime maximum temperatures of 97°F in Mount Isa, Queensland in January and very high heat and humidity based on long-term weather averages. There are 9 hours of sunshine per day on average with 10 days with some rainfall and typically 3.8 inches of rainfall in the month.

  • 97°F maximum daytime temperature in January in Mount Isa97
    97°F max day temperature
  • 9 hours of sunshine per day
  • 10 days with some rainfall in January in Mount Isa10
    10 days with some rainfall
  • 73°F minimum night-time temperature in January in Mount Isa73
    73°F min night temperature
  • 13 hours of daylight per day in January in Mount Isa13
    13 hours of daylight per day
  • Very high heat & humidity in January in Mount IsaVH
    Very High heat & humidity
  • 3.8 inches monthly rainfall in January in Mount Isa3.8
    3.8 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in January in Mount Isa11
    11+ (Extreme) UV index

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Mount Isa weather in February

Expect daytime maximum temperatures of 95°F in Mount Isa, Queensland in February and very high heat and humidity based on long-term weather averages. There are 9 hours of sunshine per day on average with typically 3.6 inches of rainfall in the month.

  • 95°F maximum daytime temperature in February in Mount Isa95
    95°F max day temperature
  • 9 hours of sunshine per day
  • 9 days with some rainfall in February in Mount Isa9
    9 days with some rainfall
  • 73°F minimum night-time temperature in February in Mount Isa73
    73°F min night temperature
  • 13 hours of daylight per day in February in Mount Isa13
    13 hours of daylight per day
  • Very high heat & humidity in February in Mount IsaVH
    Very High heat & humidity
  • 3.6 inches monthly rainfall in February in Mount Isa3.6
    3.6 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in February in Mount Isa11
    11+ (Extreme) UV index

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Mount Isa weather in March

Expect daytime maximum temperatures of 93°F in Mount Isa, Queensland in March and high heat and humidity based on long-term weather averages. There are 9 hours of sunshine per day on average with typically 2.3 inches of rainfall in the month.

  • 93°F maximum daytime temperature in March in Mount Isa93
    93°F max day temperature
  • 9 hours of sunshine per day
  • 7 days with some rainfall in March in Mount Isa7
    7 days with some rainfall
  • 70°F minimum night-time temperature in March in Mount Isa70
    70°F min night temperature
  • 12 hours of daylight per day in March in Mount Isa12
    12 hours of daylight per day
  • High heat & humidity in March in Mount IsaH
    High heat & humidity
  • 2.3 inches monthly rainfall in March in Mount Isa2.3
    2.3 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in March in Mount Isa11
    11+ (Extreme) UV index

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Mount Isa weather in April

Expect daytime maximum temperatures of 88°F in Mount Isa, Queensland in April based on long-term weather averages. There are 9 hours of sunshine per day on average.

  • 88°F maximum daytime temperature in April in Mount Isa88
    88°F max day temperature
  • 9 hours of sunshine per day
  • 3 days with some rainfall in April in Mount Isa3
    3 days with some rainfall
  • 64°F minimum night-time temperature in April in Mount Isa64
    64°F min night temperature
  • 12 hours of daylight per day in April in Mount Isa12
    12 hours of daylight per day
  • Moderate heat & humidity in April in Mount IsaM
    Moderate heat & humidity
  • 0.7 inches monthly rainfall in April in Mount Isa0.7
    0.7 inches of monthly rainfall
  • UV (maximum) index 10 (Very High) in April in Mount Isa10
    10 (Very High) UV index

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Mount Isa weather in May

Expect daytime maximum temperatures of 81°F in Mount Isa, Queensland in May based on long-term weather averages. There are 9 hours of sunshine per day on average.

  • 81°F maximum daytime temperature in May in Mount Isa81
    81°F max day temperature
  • 9 hours of sunshine per day
  • 2 days with some rainfall in May in Mount Isa2
    2 days with some rainfall
  • 57°F minimum night-time temperature in May in Mount Isa57
    57°F min night temperature
  • 11 hours of daylight per day in May in Mount Isa11
    11 hours of daylight per day
  • Low heat & humidity in May in Mount IsaL
    Low heat & humidity
  • 0.7 inches monthly rainfall in May in Mount Isa0.7
    0.7 inches of monthly rainfall
  • UV (maximum) index 7 (High) in May in Mount Isa7
    7 (High) UV index

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Mount Isa weather in June

Expect daytime maximum temperatures of 75°F in Mount Isa, Queensland in June based on long-term weather averages. There are 9 hours of sunshine per day on average.

  • 75°F maximum daytime temperature in June in Mount Isa75
    75°F max day temperature
  • 9 hours of sunshine per day
  • 2 days with some rainfall in June in Mount Isa2
    2 days with some rainfall
  • 48°F minimum night-time temperature in June in Mount Isa48
    48°F min night temperature
  • 11 hours of daylight per day in June in Mount Isa11
    11 hours of daylight per day
  • No heat & humidity in June in Mount Isa0
    No heat & humidity
  • 0.4 inches monthly rainfall in June in Mount Isa0.4
    0.4 inches of monthly rainfall
  • UV (maximum) index 6 (High) in June in Mount Isa6
    6 (High) UV index

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Mount Isa weather in July

Expect daytime maximum temperatures of 75°F in Mount Isa, Queensland in July based on long-term weather averages. There are 10 hours of sunshine per day on average.

  • 75°F maximum daytime temperature in July in Mount Isa75
    75°F max day temperature
  • 10 hours of sunshine per day
  • 2 days with some rainfall in July in Mount Isa2
    2 days with some rainfall
  • 46°F minimum night-time temperature in July in Mount Isa46
    46°F min night temperature
  • 11 hours of daylight per day in July in Mount Isa11
    11 hours of daylight per day
  • No heat & humidity in July in Mount Isa0
    No heat & humidity
  • 0.5 inches monthly rainfall in July in Mount Isa0.5
    0.5 inches of monthly rainfall
  • UV (maximum) index 6 (High) in July in Mount Isa6
    6 (High) UV index

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Mount Isa weather in August

Expect daytime maximum temperatures of 79°F in Mount Isa, Queensland in August based on long-term weather averages. There are 10 hours of sunshine per day on average.

  • 79°F maximum daytime temperature in August in Mount Isa79
    79°F max day temperature
  • 10 hours of sunshine per day
  • 2 days with some rainfall in August in Mount Isa2
    2 days with some rainfall
  • 50°F minimum night-time temperature in August in Mount Isa50
    50°F min night temperature
  • 11 hours of daylight per day in August in Mount Isa11
    11 hours of daylight per day
  • Low heat & humidity in August in Mount IsaL
    Low heat & humidity
  • 0.3 inches monthly rainfall in August in Mount Isa0.3
    0.3 inches of monthly rainfall
  • UV (maximum) index 8 (Very High) in August in Mount Isa8
    8 (Very High) UV index

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Mount Isa weather in September

Expect daytime maximum temperatures of 86°F in Mount Isa, Queensland in September based on long-term weather averages. There are 10 hours of sunshine per day on average.

  • 86°F maximum daytime temperature in September in Mount Isa86
    86°F max day temperature
  • 10 hours of sunshine per day
  • 2 days with some rainfall in September in Mount Isa2
    2 days with some rainfall
  • 57°F minimum night-time temperature in September in Mount Isa57
    57°F min night temperature
  • 12 hours of daylight per day in September in Mount Isa12
    12 hours of daylight per day
  • Moderate heat & humidity in September in Mount IsaM
    Moderate heat & humidity
  • 0.5 inches monthly rainfall in September in Mount Isa0.5
    0.5 inches of monthly rainfall
  • UV (maximum) index 10 (Very High) in September in Mount Isa10
    10 (Very High) UV index

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Mount Isa weather in October

Expect daytime maximum temperatures of 93°F in Mount Isa, Queensland in October and high heat and humidity based on long-term weather averages. There are 10 hours of sunshine per day on average.

  • 93°F maximum daytime temperature in October in Mount Isa93
    93°F max day temperature
  • 10 hours of sunshine per day
  • 4 days with some rainfall in October in Mount Isa4
    4 days with some rainfall
  • 64°F minimum night-time temperature in October in Mount Isa64
    64°F min night temperature
  • 13 hours of daylight per day in October in Mount Isa13
    13 hours of daylight per day
  • High heat & humidity in October in Mount IsaH
    High heat & humidity
  • 0.8 inches monthly rainfall in October in Mount Isa0.8
    0.8 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in October in Mount Isa11
    11+ (Extreme) UV index

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Mount Isa weather in November

Expect daytime maximum temperatures of 97°F in Mount Isa, Queensland in November and high heat and humidity based on long-term weather averages. There are 10 hours of sunshine per day on average.

  • 97°F maximum daytime temperature in November in Mount Isa97
    97°F max day temperature
  • 10 hours of sunshine per day
  • 4 days with some rainfall in November in Mount Isa4
    4 days with some rainfall
  • 70°F minimum night-time temperature in November in Mount Isa70
    70°F min night temperature
  • 13 hours of daylight per day in November in Mount Isa13
    13 hours of daylight per day
  • High heat & humidity in November in Mount IsaH
    High heat & humidity
  • 1.3 inches monthly rainfall in November in Mount Isa1.3
    1.3 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in November in Mount Isa11
    11+ (Extreme) UV index

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Mount Isa weather in December

Expect daytime maximum temperatures of 99°F in Mount Isa, Queensland in December and very high heat and humidity based on long-term weather averages. There are 10 hours of sunshine per day on average with typically 2.4 inches of rainfall in the month.

  • 99°F maximum daytime temperature in December in Mount Isa99
    99°F max day temperature
  • 10 hours of sunshine per day
  • 7 days with some rainfall in December in Mount Isa7
    7 days with some rainfall
  • 72°F minimum night-time temperature in December in Mount Isa72
    72°F min night temperature
  • 13 hours of daylight per day in December in Mount Isa13
    13 hours of daylight per day
  • Very high heat & humidity in December in Mount IsaVH
    Very High heat & humidity
  • 2.4 inches monthly rainfall in December in Mount Isa2.4
    2.4 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in December in Mount Isa11
    11+ (Extreme) UV index

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More about Mount Isa

Mount Isa by month

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

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The climate guide for Queensland (Mount Isa) 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.

Compare Mount Isa weather with the UK

The weather chart below compares the average monthly maximum daytime temperature for Mount Isa, Queensland, Australia and the UK (London).

Maximum daytime temperature (°F)

Mount Isa, Queensland, Australia
UK (London)
97
45
95
45
93
50
88
55
81
63
75
68
75
72
79
72
86
66
93
59
97
50
99
46
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C)  |  Imperial (°F)

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