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Missoula weather by month
Check out Missoula weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.
Temperature in Missoula (°F)
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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Min temperature (night-time) | ![]() |
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Heat & Humidity | ![]() |
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Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme
Sunshine & Daylight in Missoula
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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Daily hours of sunshine | ||||||||||||
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UV Index (Maximum) | ![]() |
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Rainfall in Missoula
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Number of days with some rain | ![]() |
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Average monthly rainfall (inches) | ![]() |
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More about Missoula
Missoula by month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Recommended for Montana
The climate guide for Montana (Missoula) 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 Missoula?
Missoula has a cold semi arid climate with warm summers.
Missoula weather in January
Expect daytime maximum temperatures of 30°F in Missoula, Montana in January based on long-term weather averages. There are 3 hours of sunshine per day on average with 14 days with some rainfall, which might fall as snow.
- 30°F max day temperature
30
- 3 hours of sunshine per day
- 14 days with some rainfall
14
- 16°F min night temperature
16
- 9 hours of daylight per day
9
- No heat & humidity
0
- 1.3 inches of monthly rainfall
1.3
- 1 (Low) UV index
1
Missoula weather in February
Expect daytime maximum temperatures of 37°F in Missoula, Montana in February based on long-term weather averages. There are 5 hours of sunshine per day on average with 11 days with some rainfall, which might fall as snow.
- 37°F max day temperature
37
- 5 hours of sunshine per day
- 11 days with some rainfall
11
- 21°F min night temperature
21
- 10 hours of daylight per day
10
- No heat & humidity
0
- 0.8 inches of monthly rainfall
0.8
- 2 (Low) UV index
2
Missoula weather in March
Expect daytime maximum temperatures of 46°F in Missoula, Montana in March based on long-term weather averages. There are 7 hours of sunshine per day on average with 12 days with some rainfall.
- 46°F max day temperature
46
- 7 hours of sunshine per day
- 12 days with some rainfall
12
- 25°F min night temperature
25
- 12 hours of daylight per day
12
- No heat & humidity
0
- 1.0 inches of monthly rainfall
1.0
- 3 (Moderate) UV index
3
Missoula weather in April
Expect daytime maximum temperatures of 57°F in Missoula, Montana in April based on long-term weather averages. There are 8 hours of sunshine per day on average with 11 days with some rainfall.
- 57°F max day temperature
57
- 8 hours of sunshine per day
- 11 days with some rainfall
11
- 30°F min night temperature
30
- 14 hours of daylight per day
14
- No heat & humidity
0
- 1.0 inches of monthly rainfall
1.0
- 5 (Moderate) UV index
5
Missoula weather in May
Expect daytime maximum temperatures of 64°F in Missoula, Montana in May based on long-term weather averages. There are 9 hours of sunshine per day on average with 12 days with some rainfall and typically 1.9 inches of rainfall in the month.
- 64°F max day temperature
64
- 9 hours of sunshine per day
- 12 days with some rainfall
12
- 37°F min night temperature
37
- 15 hours of daylight per day
15
- No heat & humidity
0
- 1.9 inches of monthly rainfall
1.9
- 7 (High) UV index
7
Missoula weather in June
Expect daytime maximum temperatures of 73°F in Missoula, Montana in June based on long-term weather averages. There are 10 hours of sunshine per day on average with 11 days with some rainfall and typically 1.9 inches of rainfall in the month.
- 73°F max day temperature
73
- 10 hours of sunshine per day
- 11 days with some rainfall
11
- 46°F min night temperature
46
- 16 hours of daylight per day
16
- No heat & humidity
0
- 1.9 inches of monthly rainfall
1.9
- 8 (Very High) UV index
8
Missoula weather in July
Expect daytime maximum temperatures of 82°F in Missoula, Montana in July based on long-term weather averages. There are 13 hours of sunshine per day on average.
- 82°F max day temperature
82
- 13 hours of sunshine per day
- 7 days with some rainfall
7
- 50°F min night temperature
50
- 15 hours of daylight per day
15
- Low heat & humidity
L
- 0.9 inches of monthly rainfall
0.9
- 8 (Very High) UV index
8
Missoula weather in August
Expect daytime maximum temperatures of 82°F in Missoula, Montana in August based on long-term weather averages. There are 11 hours of sunshine per day on average.
- 82°F max day temperature
82
- 11 hours of sunshine per day
- 8 days with some rainfall
8
- 48°F min night temperature
48
- 14 hours of daylight per day
14
- Low heat & humidity
L
- 1.2 inches of monthly rainfall
1.2
- 7 (High) UV index
7
Missoula weather in September
Expect daytime maximum temperatures of 70°F in Missoula, Montana in September based on long-term weather averages. There are 9 hours of sunshine per day on average.
- 70°F max day temperature
70
- 9 hours of sunshine per day
- 8 days with some rainfall
8
- 39°F min night temperature
39
- 13 hours of daylight per day
13
- No heat & humidity
0
- 1.2 inches of monthly rainfall
1.2
- 5 (Moderate) UV index
5
Missoula weather in October
Expect daytime maximum temperatures of 57°F in Missoula, Montana in October based on long-term weather averages. There are 6 hours of sunshine per day on average.
- 57°F max day temperature
57
- 6 hours of sunshine per day
- 8 days with some rainfall
8
- 30°F min night temperature
30
- 11 hours of daylight per day
11
- No heat & humidity
0
- 0.8 inches of monthly rainfall
0.8
- 3 (Moderate) UV index
3
Missoula weather in November
Expect daytime maximum temperatures of 41°F in Missoula, Montana in November based on long-term weather averages. There are 3 hours of sunshine per day on average with 11 days with some rainfall, which might fall as snow.
- 41°F max day temperature
41
- 3 hours of sunshine per day
- 11 days with some rainfall
11
- 23°F min night temperature
23
- 9 hours of daylight per day
9
- No heat & humidity
0
- 0.9 inches of monthly rainfall
0.9
- 1 (Low) UV index
1
Missoula weather in December
Expect daytime maximum temperatures of 30°F in Missoula, Montana in December based on long-term weather averages. There are 3 hours of sunshine per day on average with 13 days with some rainfall, which might fall as snow.
- 30°F max day temperature
30
- 3 hours of sunshine per day
- 13 days with some rainfall
13
- 16°F min night temperature
16
- 9 hours of daylight per day
9
- No heat & humidity
0
- 1.1 inches of monthly rainfall
1.1
- 1 (Low) UV index
1
More about Missoula
Missoula by month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Recommended for Montana
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Expires at 23:59 on Tuesday 30th Sep 2025 · View all Cosmos offers
The climate guide for Montana (Missoula) 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)
More about the USA
Compare Missoula with the UK
Below the Missoula chart shows average maximum daytime temperature for Missoula, Montana, USA and the UK (London).
Maximum daytime temperature (°F)
Metric (°C) | Imperial (°F)
Compare more Missoula weather >>
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