Annual mean 5°C · wettest around May · prevailing wind W
Warmest
27.5 °C
Coldest
-4.0 °C
Wettest
14%
Windiest
4.7 m/s
Prevailing
W
3.5 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Every reading
bars actual · line feels-like, °Cchance of rain, %wind speed, m/ssky covered, %
The average temperature in Butte over the whole year is 5°C. July is the hottest month, with highs of about 26°C; January is the coldest, with lows of about -10°C. Butte has no sharply defined rainy season: the chance of rain on a given day runs from 5% in July, the driest month, to 11% in May, the wettest. Winds in Butte are highest in April, averaging 3.2 m/s (12 km/h), and lightest in January, at 2.0 m/s (7 km/h). The prevailing wind is from the W. The clearest skies in Butte come in July, when the sky is typically 15% covered; February is the cloudiest month, at 58%.
Month by month Butte climate by month: average temperatures year round · click a month to read it
Month
High
Low
Feels like
Chance of rain
Cloud
Wind
Being outside
Sun
Walking
January
-3°C
-10°C
-8°C
5%
51%
2.0 m/s
0
0
0
February
-3°C
-9°C
-8°C
8%
58%
2.7 m/s
0
0
1
March
4°C
-5°C
-1°C
7%
51%
2.8 m/s
0
0
11
April
9°C
-1°C
3°C
9%
46%
3.2 m/s
6
0
33
May
14°C
5°C
9°C
11%
49%
3.1 m/s
27
1
64
June
20°C
10°C
16°C
10%
33%
3.0 m/s
59
7
77
July
26°C
13°C
22°C
5%
15%
2.8 m/s
83
39
53
August
25°C
10°C
21°C
6%
18%
2.6 m/s
83
29
63
September
19°C
5°C
15°C
7%
31%
2.6 m/s
56
9
74
October
11°C
-0°C
6°C
7%
42%
2.6 m/s
19
0
51
November
3°C
-5°C
-1°C
6%
44%
2.4 m/s
0
0
14
December
-2°C
-8°C
-6°C
5%
50%
2.3 m/s
0
0
2
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short Butte weather by season
Year round, Butte has days of about -3°C at their warmest in January, its coolest month, and 26°C in July, its warmest; the coolest hours of the day run from -10°C to 13°C through the year, and the average temperature over the year is 5°C around the clock. Rain is most likely around May and least likely around July. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Butte weather in winterDecember to February
High -3°CLow -9°CRain 6%
Winter in Butte has typical daily highs of about -3°C and lows of about -9°C, with a 6% chance of rain on a given day.
Butte weather in springMarch to May
High 9°CLow -0°CRain 9%
Spring in Butte has typical daily highs of about 9°C and lows of about -0°C, with a 9% chance of rain on a given day.
Butte weather in summerJune to August
High 24°CLow 11°CRain 7%
Summer in Butte has typical daily highs of about 24°C and lows of about 11°C, with a 7% chance of rain on a given day.
Butte weather in autumnSeptember to November
High 11°CLow 0°CRain 6%
Autumn in Butte has typical daily highs of about 11°C and lows of about 0°C, with a 6% chance of rain on a given day.
When is the rainy season in Butte?
Butte has no sharply defined rainy season: the chance of rain on a given day runs from 5% in July, the driest month, to 11% in May, the wettest.
What time of year is Butte windiest?
Winds in Butte are highest in April, averaging 3.2 m/s (12 km/h), and lightest in January, at 2.0 m/s (7 km/h). The prevailing wind is from the W.
What is the average temperature in Butte year round?
The average temperature in Butte over the whole year is 5°C. July is the hottest month, with highs of about 26°C; January is the coldest, with lows of about -10°C.