Annual Weather Averages in Adak
Based on weather reports collected during 1985–2015.
All Year Climate & Weather Averages in Adak
High Temp: 55 °F
Low Temp: 28 °F
Mean Temp: 40 °F
Precipitation: 1.08"
Humidity: 79%
Dew Point: 34 °F
Wind: 14 mph
Pressure: 29.74 "Hg
Visibility: 7 mi
January Climate & Weather Averages in Adak
High Temp: 36 °F
Low Temp: 28 °F
Mean Temp: 32 °F
Precipitation: 1.02"
Humidity: 78%
Dew Point: 26 °F
Wind: 16 mph
Pressure: 29.50 "Hg
Visibility: 7 mi
February Climate & Weather Averages in Adak
High Temp: 36 °F
Low Temp: 29 °F
Mean Temp: 33 °F
Precipitation: 1.09"
Humidity: 77%
Dew Point: 26 °F
Wind: 16 mph
Pressure: 29.53 "Hg
Visibility: 7 mi
March Climate & Weather Averages in Adak
High Temp: 38 °F
Low Temp: 31 °F
Mean Temp: 34 °F
Precipitation: 1.39"
Humidity: 77%
Dew Point: 28 °F
Wind: 15 mph
Pressure: 29.71 "Hg
Visibility: 7 mi
April Climate & Weather Averages in Adak
High Temp: 40 °F
Low Temp: 33 °F
Mean Temp: 37 °F
Precipitation: 0.92"
Humidity: 76%
Dew Point: 29 °F
Wind: 15 mph
Pressure: 29.80 "Hg
Visibility: 8 mi
May Climate & Weather Averages in Adak
High Temp: 44 °F
Low Temp: 37 °F
Mean Temp: 40 °F
Precipitation: 0.89"
Humidity: 79%
Dew Point: 34 °F
Wind: 13 mph
Pressure: 29.86 "Hg
Visibility: 8 mi
June Climate & Weather Averages in Adak
High Temp: 48 °F
Low Temp: 41 °F
Mean Temp: 45 °F
Precipitation: 0.62"
Humidity: 82%
Dew Point: 39 °F
Wind: 12 mph
Pressure: 29.88 "Hg
Visibility: 8 mi
July Climate & Weather Averages in Adak
High Temp: 53 °F
Low Temp: 45 °F
Mean Temp: 49 °F
Precipitation: 0.59"
Humidity: 84%
Dew Point: 44 °F
Wind: 11 mph
Pressure: 29.94 "Hg
Visibility: 7 mi
August Climate & Weather Averages in Adak
High Temp: 55 °F
Low Temp: 47 °F
Mean Temp: 51 °F
Precipitation: 0.84"
Humidity: 84%
Dew Point: 46 °F
Wind: 11 mph
Pressure: 29.94 "Hg
Visibility: 7 mi
September Climate & Weather Averages in Adak
High Temp: 52 °F
Low Temp: 45 °F
Mean Temp: 48 °F
Precipitation: 1.33"
Humidity: 80%
Dew Point: 42 °F
Wind: 14 mph
Pressure: 29.83 "Hg
Visibility: 8 mi
October Climate & Weather Averages in Adak
High Temp: 47 °F
Low Temp: 39 °F
Mean Temp: 43 °F
Precipitation: 1.64"
Humidity: 78%
Dew Point: 36 °F
Wind: 14 mph
Pressure: 29.77 "Hg
Visibility: 8 mi
November Climate & Weather Averages in Adak
High Temp: 41 °F
Low Temp: 34 °F
Mean Temp: 38 °F
Precipitation: 1.25"
Humidity: 76%
Dew Point: 31 °F
Wind: 16 mph
Pressure: 29.70 "Hg
Visibility: 8 mi
December Climate & Weather Averages in Adak
High Temp: 37 °F
Low Temp: 30 °F
Mean Temp: 33 °F
Precipitation: 1.41"
Humidity: 78%
Dew Point: 28 °F
Wind: 15 mph
Pressure: 29.47 "Hg
Visibility: 7 mi