Annual Weather Averages in Boise Air Terminal
Boise Air Terminal is 78 miles from Galena Summit, so the actual climate in Galena Summit can vary a bit.
Based on weather reports collected during 1992–2021.
All Year Climate & Weather Averages in Galena Summit
High Temp: 93 °F
Low Temp: 25 °F
Mean Temp: 53 °F
Precipitation: 0.99"
Humidity: 52%
Dew Point: 33 °F
Wind: 10 mph
Pressure: 30.02 "Hg
Visibility: 10 mi
January Climate & Weather Averages in Galena Summit
High Temp: 39 °F
Low Temp: 26 °F
Mean Temp: 33 °F
Precipitation: 1.44"
Humidity: 76%
Dew Point: 26 °F
Wind: 9 mph
Pressure: 30.21 "Hg
Visibility: 8 mi
February Climate & Weather Averages in Galena Summit
High Temp: 46 °F
Low Temp: 29 °F
Mean Temp: 37 °F
Precipitation: 1.07"
Humidity: 66%
Dew Point: 27 °F
Wind: 11 mph
Pressure: 30.11 "Hg
Visibility: 10 mi
March Climate & Weather Averages in Galena Summit
High Temp: 56 °F
Low Temp: 35 °F
Mean Temp: 45 °F
Precipitation: 1.37"
Humidity: 55%
Dew Point: 29 °F
Wind: 12 mph
Pressure: 30.04 "Hg
Visibility: 10 mi
April Climate & Weather Averages in Galena Summit
High Temp: 62 °F
Low Temp: 39 °F
Mean Temp: 51 °F
Precipitation: 1.22"
Humidity: 50%
Dew Point: 32 °F
Wind: 12 mph
Pressure: 29.97 "Hg
Visibility: 11 mi
May Climate & Weather Averages in Galena Summit
High Temp: 72 °F
Low Temp: 47 °F
Mean Temp: 60 °F
Precipitation: 1.43"
Humidity: 46%
Dew Point: 38 °F
Wind: 11 mph
Pressure: 29.91 "Hg
Visibility: 11 mi
June Climate & Weather Averages in Galena Summit
High Temp: 82 °F
Low Temp: 54 °F
Mean Temp: 68 °F
Precipitation: 0.82"
Humidity: 39%
Dew Point: 41 °F
Wind: 11 mph
Pressure: 29.88 "Hg
Visibility: 11 mi
July Climate & Weather Averages in Galena Summit
High Temp: 93 °F
Low Temp: 62 °F
Mean Temp: 78 °F
Precipitation: 0.24"
Humidity: 30%
Dew Point: 43 °F
Wind: 9 mph
Pressure: 29.87 "Hg
Visibility: 11 mi
August Climate & Weather Averages in Galena Summit
High Temp: 91 °F
Low Temp: 61 °F
Mean Temp: 76 °F
Precipitation: 0.21"
Humidity: 30%
Dew Point: 41 °F
Wind: 8 mph
Pressure: 29.88 "Hg
Visibility: 11 mi
September Climate & Weather Averages in Galena Summit
High Temp: 80 °F
Low Temp: 52 °F
Mean Temp: 66 °F
Precipitation: 0.44"
Humidity: 36%
Dew Point: 37 °F
Wind: 8 mph
Pressure: 29.95 "Hg
Visibility: 11 mi
October Climate & Weather Averages in Galena Summit
High Temp: 65 °F
Low Temp: 41 °F
Mean Temp: 53 °F
Precipitation: 0.86"
Humidity: 49%
Dew Point: 33 °F
Wind: 9 mph
Pressure: 30.05 "Hg
Visibility: 11 mi
November Climate & Weather Averages in Galena Summit
High Temp: 49 °F
Low Temp: 32 °F
Mean Temp: 41 °F
Precipitation: 1.18"
Humidity: 66%
Dew Point: 29 °F
Wind: 9 mph
Pressure: 30.15 "Hg
Visibility: 10 mi
December Climate & Weather Averages in Galena Summit
High Temp: 39 °F
Low Temp: 25 °F
Mean Temp: 32 °F
Precipitation: 1.59"
Humidity: 76%
Dew Point: 25 °F
Wind: 10 mph
Pressure: 30.20 "Hg
Visibility: 8 mi