Annual Weather Averages Near Butte
Averages are for Mooney Airport, which is 4 miles from Butte.
Based on weather reports collected during 1992–2021.
All Year Climate & Weather Averages in Butte
High Temp: 82 °F
Low Temp: 8 °F
Mean Temp: 41 °F
Precipitation: 1.08"
Humidity: 59%
Dew Point: 26 °F
Wind: 9 mph
Pressure: 30.05 "Hg
Visibility: 12 mi
January Climate & Weather Averages in Butte
High Temp: 33 °F
Low Temp: 9 °F
Mean Temp: 21 °F
Precipitation: 0.45"
Humidity: 72%
Dew Point: 13 °F
Wind: 6 mph
Pressure: 30.18 "Hg
Visibility: 11 mi
February Climate & Weather Averages in Butte
High Temp: 35 °F
Low Temp: 10 °F
Mean Temp: 22 °F
Precipitation: 0.49"
Humidity: 69%
Dew Point: 13 °F
Wind: 7 mph
Pressure: 30.11 "Hg
Visibility: 11 mi
March Climate & Weather Averages in Butte
High Temp: 44 °F
Low Temp: 20 °F
Mean Temp: 32 °F
Precipitation: 0.67"
Humidity: 62%
Dew Point: 20 °F
Wind: 9 mph
Pressure: 30.04 "Hg
Visibility: 11 mi
April Climate & Weather Averages in Butte
High Temp: 51 °F
Low Temp: 26 °F
Mean Temp: 39 °F
Precipitation: 1.34"
Humidity: 57%
Dew Point: 24 °F
Wind: 11 mph
Pressure: 29.99 "Hg
Visibility: 12 mi
May Climate & Weather Averages in Butte
High Temp: 61 °F
Low Temp: 34 °F
Mean Temp: 48 °F
Precipitation: 1.97"
Humidity: 55%
Dew Point: 31 °F
Wind: 11 mph
Pressure: 29.96 "Hg
Visibility: 12 mi
June Climate & Weather Averages in Butte
High Temp: 71 °F
Low Temp: 41 °F
Mean Temp: 56 °F
Precipitation: 2.48"
Humidity: 53%
Dew Point: 38 °F
Wind: 10 mph
Pressure: 29.94 "Hg
Visibility: 13 mi
July Climate & Weather Averages in Butte
High Temp: 82 °F
Low Temp: 46 °F
Mean Temp: 64 °F
Precipitation: 1.23"
Humidity: 43%
Dew Point: 41 °F
Wind: 9 mph
Pressure: 29.98 "Hg
Visibility: 13 mi
August Climate & Weather Averages in Butte
High Temp: 80 °F
Low Temp: 44 °F
Mean Temp: 62 °F
Precipitation: 1.29"
Humidity: 44%
Dew Point: 39 °F
Wind: 8 mph
Pressure: 30.00 "Hg
Visibility: 12 mi
September Climate & Weather Averages in Butte
High Temp: 70 °F
Low Temp: 36 °F
Mean Temp: 53 °F
Precipitation: 1.04"
Humidity: 50%
Dew Point: 34 °F
Wind: 8 mph
Pressure: 30.03 "Hg
Visibility: 12 mi
October Climate & Weather Averages in Butte
High Temp: 55 °F
Low Temp: 27 °F
Mean Temp: 41 °F
Precipitation: 0.88"
Humidity: 60%
Dew Point: 27 °F
Wind: 9 mph
Pressure: 30.09 "Hg
Visibility: 12 mi
November Climate & Weather Averages in Butte
High Temp: 41 °F
Low Temp: 17 °F
Mean Temp: 29 °F
Precipitation: 0.63"
Humidity: 67%
Dew Point: 19 °F
Wind: 7 mph
Pressure: 30.14 "Hg
Visibility: 11 mi
December Climate & Weather Averages in Butte
High Temp: 31 °F
Low Temp: 8 °F
Mean Temp: 19 °F
Precipitation: 0.53"
Humidity: 72%
Dew Point: 12 °F
Wind: 7 mph
Pressure: 30.17 "Hg
Visibility: 11 mi