Annual Weather Averages Near Boise
Averages are for Boise Air Terminal, which is 4 miles from Boise.
Based on weather reports collected during 1985–2015.
All Year Climate & Weather Averages in Boise
High Temp: 93 °F
Low Temp: 25 °F
Mean Temp: 53 °F
Precipitation: 0.47"
Humidity: 52%
Dew Point: 33 °F
Wind: 6 mph
Pressure: 30.03 "Hg
Visibility: 13 mi
January Climate & Weather Averages in Boise
High Temp: 38 °F
Low Temp: 25 °F
Mean Temp: 32 °F
Precipitation: 0.76"
Humidity: 77%
Dew Point: 25 °F
Wind: 5 mph
Pressure: 30.23 "Hg
Visibility: 9 mi
February Climate & Weather Averages in Boise
High Temp: 46 °F
Low Temp: 29 °F
Mean Temp: 37 °F
Precipitation: 0.57"
Humidity: 67%
Dew Point: 27 °F
Wind: 6 mph
Pressure: 30.13 "Hg
Visibility: 11 mi
March Climate & Weather Averages in Boise
High Temp: 55 °F
Low Temp: 34 °F
Mean Temp: 45 °F
Precipitation: 0.77"
Humidity: 56%
Dew Point: 29 °F
Wind: 7 mph
Pressure: 30.04 "Hg
Visibility: 13 mi
April Climate & Weather Averages in Boise
High Temp: 62 °F
Low Temp: 39 °F
Mean Temp: 50 °F
Precipitation: 0.63"
Humidity: 51%
Dew Point: 32 °F
Wind: 7 mph
Pressure: 29.97 "Hg
Visibility: 14 mi
May Climate & Weather Averages in Boise
High Temp: 72 °F
Low Temp: 46 °F
Mean Temp: 59 °F
Precipitation: 0.62"
Humidity: 46%
Dew Point: 37 °F
Wind: 6 mph
Pressure: 29.91 "Hg
Visibility: 14 mi
June Climate & Weather Averages in Boise
High Temp: 82 °F
Low Temp: 54 °F
Mean Temp: 68 °F
Precipitation: 0.24"
Humidity: 40%
Dew Point: 41 °F
Wind: 6 mph
Pressure: 29.88 "Hg
Visibility: 15 mi
July Climate & Weather Averages in Boise
High Temp: 93 °F
Low Temp: 61 °F
Mean Temp: 77 °F
Precipitation: 0.05"
Humidity: 31%
Dew Point: 43 °F
Wind: 5 mph
Pressure: 29.88 "Hg
Visibility: 15 mi
August Climate & Weather Averages in Boise
High Temp: 91 °F
Low Temp: 60 °F
Mean Temp: 75 °F
Precipitation: 0.04"
Humidity: 31%
Dew Point: 41 °F
Wind: 5 mph
Pressure: 29.89 "Hg
Visibility: 14 mi
September Climate & Weather Averages in Boise
High Temp: 80 °F
Low Temp: 51 °F
Mean Temp: 66 °F
Precipitation: 0.12"
Humidity: 37%
Dew Point: 37 °F
Wind: 5 mph
Pressure: 29.95 "Hg
Visibility: 13 mi
October Climate & Weather Averages in Boise
High Temp: 66 °F
Low Temp: 41 °F
Mean Temp: 53 °F
Precipitation: 0.26"
Humidity: 49%
Dew Point: 33 °F
Wind: 5 mph
Pressure: 30.06 "Hg
Visibility: 13 mi
November Climate & Weather Averages in Boise
High Temp: 49 °F
Low Temp: 31 °F
Mean Temp: 40 °F
Precipitation: 0.73"
Humidity: 68%
Dew Point: 29 °F
Wind: 5 mph
Pressure: 30.16 "Hg
Visibility: 11 mi
December Climate & Weather Averages in Boise
High Temp: 39 °F
Low Temp: 25 °F
Mean Temp: 32 °F
Precipitation: 0.82"
Humidity: 76%
Dew Point: 25 °F
Wind: 6 mph
Pressure: 30.22 "Hg
Visibility: 9 mi