Missoula weather by month

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

Temperature
Rainfall
Sunshine & daylight
UV levels & humidity

Temperature in Missoula (°C)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Max temperature (daytime)	-1	3	8	14	18	23	28	28	21	14	5	-1
Min temperature (night-time)	-9	-6	-4	-1	3	8	10	9	4	-1	-5	-9
Heat & Humidity	0	0	0	0	0	0	L	L	0	0	0	0

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
Daily hours of sunshine	3	5	7	8	9	10	13	11	9	6	3	3
Daily hours of daylight	9	10	12	14	15	16	15	14	13	11	9	9
UV Index (Maximum)	1	2	3	5	7	8	8	7	5	3	1	1

Rainfall in Missoula

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Number of days with some rain	14	11	12	11	12	11	7	8	8	8	11	13
Average monthly rainfall (mm)	32	20	26	26	48	48	24	31	30	21	23	29

More about Missoula

Missoula by month

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

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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 -1°C 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.

-1
-1°C max day temperature
3
3 hours of sunshine per day
14
14 days with some rainfall
-9
-9°C min night temperature
9
9 hours of daylight per day
0
No heat & humidity
32
32 mm of monthly rainfall
1
1 (Low) UV index

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Missoula weather in February

Expect daytime maximum temperatures of 3°C 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.

3
3°C max day temperature
5
5 hours of sunshine per day
11
11 days with some rainfall
-6
-6°C min night temperature
10
10 hours of daylight per day
0
No heat & humidity
20
20 mm of monthly rainfall
2
2 (Low) UV index

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Missoula weather in March

Expect daytime maximum temperatures of 8°C 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.

8
8°C max day temperature
7
7 hours of sunshine per day
12
12 days with some rainfall
-4
-4°C min night temperature
12
12 hours of daylight per day
0
No heat & humidity
26
26 mm of monthly rainfall
3
3 (Moderate) UV index

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Missoula weather in April

Expect daytime maximum temperatures of 14°C 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.

14
14°C max day temperature
8
8 hours of sunshine per day
11
11 days with some rainfall
-1
-1°C min night temperature
14
14 hours of daylight per day
0
No heat & humidity
26
26 mm of monthly rainfall
5
5 (Moderate) UV index

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Missoula weather in May

Expect daytime maximum temperatures of 18°C 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 48 mm of rainfall in the month.

18
18°C max day temperature
9
9 hours of sunshine per day
12
12 days with some rainfall
3
3°C min night temperature
15
15 hours of daylight per day
0
No heat & humidity
48
48 mm of monthly rainfall
7
7 (High) UV index

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Missoula weather in June

Expect daytime maximum temperatures of 23°C 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 48 mm of rainfall in the month.

23
23°C max day temperature
10
10 hours of sunshine per day
11
11 days with some rainfall
8
8°C min night temperature
16
16 hours of daylight per day
0
No heat & humidity
48
48 mm of monthly rainfall
8
8 (Very High) UV index

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Missoula weather in July

Expect daytime maximum temperatures of 28°C in Missoula, Montana in July based on long-term weather averages. There are 13 hours of sunshine per day on average.

28
28°C max day temperature
13
13 hours of sunshine per day
7
7 days with some rainfall
10
10°C min night temperature
15
15 hours of daylight per day
L
Low heat & humidity
24
24 mm of monthly rainfall
8
8 (Very High) UV index

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Missoula weather in August

Expect daytime maximum temperatures of 28°C in Missoula, Montana in August based on long-term weather averages. There are 11 hours of sunshine per day on average.

28
28°C max day temperature
11
11 hours of sunshine per day
8
8 days with some rainfall
9
9°C min night temperature
14
14 hours of daylight per day
L
Low heat & humidity
31
31 mm of monthly rainfall
7
7 (High) UV index

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Missoula weather in September

Expect daytime maximum temperatures of 21°C in Missoula, Montana in September based on long-term weather averages. There are 9 hours of sunshine per day on average.

21
21°C max day temperature
9
9 hours of sunshine per day
8
8 days with some rainfall
4
4°C min night temperature
13
13 hours of daylight per day
0
No heat & humidity
30
30 mm of monthly rainfall
5
5 (Moderate) UV index

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Missoula weather in October

Expect daytime maximum temperatures of 14°C in Missoula, Montana in October based on long-term weather averages. There are 6 hours of sunshine per day on average.

14
14°C max day temperature
6
6 hours of sunshine per day
8
8 days with some rainfall
-1
-1°C min night temperature
11
11 hours of daylight per day
0
No heat & humidity
21
21 mm of monthly rainfall
3
3 (Moderate) UV index

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Missoula weather in November

Expect daytime maximum temperatures of 5°C 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.

5
5°C max day temperature
3
3 hours of sunshine per day
11
11 days with some rainfall
-5
-5°C min night temperature
9
9 hours of daylight per day
0
No heat & humidity
23
23 mm of monthly rainfall
1
1 (Low) UV index

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Missoula weather in December

Expect daytime maximum temperatures of -1°C 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.

-1
-1°C max day temperature
3
3 hours of sunshine per day
13
13 days with some rainfall
-9
-9°C min night temperature
9
9 hours of daylight per day
0
No heat & humidity
29
29 mm of monthly rainfall
1
1 (Low) UV index

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