Butte weather by month

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

Temperature
Rainfall
Sunshine & daylight
UV levels & humidity

Temperature in Butte (°C)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Max temperature (daytime)	-2	1	5	10	16	21	26	25	19	13	4	-1
Min temperature (night-time)	-14	-11	-8	-3	1	5	7	7	2	-3	-8	-14
Heat & Humidity	0	0	0	0	0	0	L	0	0	0	0	0

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

Sunshine & Daylight in Butte

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daily hours of sunshine	4	5	7	8	9	10	12	10	9	7	4	3
Daily hours of daylight	9	10	12	14	15	16	15	14	12	11	9	9
UV Index (Maximum)	1	2	4	5	7	8	9	8	6	3	2	1

Rainfall in Butte

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Number of days with some rain	11	9	11	10	12	11	8	8	8	7	9	11
Average monthly rainfall (mm)	23	15	23	28	52	59	35	35	35	22	18	19

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Butte by month

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

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The climate guide for Montana (Butte) 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 Butte?

Butte has a cold semi arid climate with warm summers.

Butte weather in January

Expect daytime maximum temperatures of -2°C in Butte, Montana in January based on long-term weather averages. There are 4 hours of sunshine per day on average with 11 days with some rainfall, which might fall as snow.

-2
-2°C max day temperature
4
4 hours of sunshine per day
11
11 days with some rainfall
-14
-14°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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Butte weather in February

Expect daytime maximum temperatures of 1°C in Butte, Montana in February based on long-term weather averages. There are 5 hours of sunshine per day on average, which might fall as snow.

1
1°C max day temperature
5
5 hours of sunshine per day
9
9 days with some rainfall
-11
-11°C min night temperature
10
10 hours of daylight per day
0
No heat & humidity
15
15 mm of monthly rainfall
2
2 (Low) UV index

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Butte weather in March

Expect daytime maximum temperatures of 5°C in Butte, Montana in March based on long-term weather averages. There are 7 hours of sunshine per day on average with 11 days with some rainfall, which might fall as snow.

5
5°C max day temperature
7
7 hours of sunshine per day
11
11 days with some rainfall
-8
-8°C min night temperature
12
12 hours of daylight per day
0
No heat & humidity
23
23 mm of monthly rainfall
4
4 (Moderate) UV index

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Butte weather in April

Expect daytime maximum temperatures of 10°C in Butte, Montana in April based on long-term weather averages. There are 8 hours of sunshine per day on average with 10 days with some rainfall.

10
10°C max day temperature
8
8 hours of sunshine per day
10
10 days with some rainfall
-3
-3°C min night temperature
14
14 hours of daylight per day
0
No heat & humidity
28
28 mm of monthly rainfall
5
5 (Moderate) UV index

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Butte weather in May

Expect daytime maximum temperatures of 16°C in Butte, 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 52 mm of rainfall in the month.

16
16°C max day temperature
9
9 hours of sunshine per day
12
12 days with some rainfall
1
1°C min night temperature
15
15 hours of daylight per day
0
No heat & humidity
52
52 mm of monthly rainfall
7
7 (High) UV index

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Butte weather in June

Expect daytime maximum temperatures of 21°C in Butte, 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 59 mm of rainfall in the month.

21
21°C max day temperature
10
10 hours of sunshine per day
11
11 days with some rainfall
5
5°C min night temperature
16
16 hours of daylight per day
0
No heat & humidity
59
59 mm of monthly rainfall
8
8 (Very High) UV index

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Butte weather in July

Expect daytime maximum temperatures of 26°C in Butte, Montana in July based on long-term weather averages. There are 12 hours of sunshine per day on average.

26
26°C max day temperature
12
12 hours of sunshine per day
8
8 days with some rainfall
7
7°C min night temperature
15
15 hours of daylight per day
L
Low heat & humidity
35
35 mm of monthly rainfall
9
9 (Very High) UV index

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Butte weather in August

Expect daytime maximum temperatures of 25°C in Butte, Montana in August based on long-term weather averages. There are 10 hours of sunshine per day on average.

25
25°C max day temperature
10
10 hours of sunshine per day
8
8 days with some rainfall
7
7°C min night temperature
14
14 hours of daylight per day
0
No heat & humidity
35
35 mm of monthly rainfall
8
8 (Very High) UV index

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Butte weather in September

Expect daytime maximum temperatures of 19°C in Butte, Montana in September based on long-term weather averages. There are 9 hours of sunshine per day on average.

19
19°C max day temperature
9
9 hours of sunshine per day
8
8 days with some rainfall
2
2°C min night temperature
12
12 hours of daylight per day
0
No heat & humidity
35
35 mm of monthly rainfall
6
6 (High) UV index

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Butte weather in October

Expect daytime maximum temperatures of 13°C in Butte, Montana in October based on long-term weather averages. There are 7 hours of sunshine per day on average.

13
13°C max day temperature
7
7 hours of sunshine per day
7
7 days with some rainfall
-3
-3°C min night temperature
11
11 hours of daylight per day
0
No heat & humidity
22
22 mm of monthly rainfall
3
3 (Moderate) UV index

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Butte weather in November

Expect daytime maximum temperatures of 4°C in Butte, Montana in November based on long-term weather averages. There are 4 hours of sunshine per day on average, which might fall as snow.

4
4°C max day temperature
4
4 hours of sunshine per day
9
9 days with some rainfall
-8
-8°C min night temperature
9
9 hours of daylight per day
0
No heat & humidity
18
18 mm of monthly rainfall
2
2 (Low) UV index

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Butte weather in December

Expect daytime maximum temperatures of -1°C in Butte, Montana in December 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.

-1
-1°C max day temperature
3
3 hours of sunshine per day
11
11 days with some rainfall
-14
-14°C min night temperature
9
9 hours of daylight per day
0
No heat & humidity
19
19 mm of monthly rainfall
1
1 (Low) UV index

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