Annual Weather Averages Near Glennallen
Averages are for Gulkana Airport, which is 4 miles from Glennallen.
Based on weather reports collected during 1985–2015.
All Year Climate & Weather Averages in Glennallen
High Temp: 69 °F
Low Temp: -10 °F
Mean Temp: 28 °F
Precipitation: 0.53"
Humidity: 68%
Dew Point: 19 °F
Wind: 4 mph
Pressure: 29.94 "Hg
Visibility: 17 mi
January Climate & Weather Averages in Glennallen
High Temp: 5 °F
Low Temp: -10 °F
Mean Temp: -2 °F
Precipitation: 0.38"
Humidity: 77%
Dew Point: -7 °F
Wind: 2 mph
Pressure: 30.02 "Hg
Visibility: 12 mi
February Climate & Weather Averages in Glennallen
High Temp: 16 °F
Low Temp: -4 °F
Mean Temp: 6 °F
Precipitation: 0.31"
Humidity: 76%
Dew Point: 0 °F
Wind: 3 mph
Pressure: 29.99 "Hg
Visibility: 14 mi
March Climate & Weather Averages in Glennallen
High Temp: 28 °F
Low Temp: 2 °F
Mean Temp: 15 °F
Precipitation: 0.12"
Humidity: 63%
Dew Point: 4 °F
Wind: 4 mph
Pressure: 29.99 "Hg
Visibility: 19 mi
April Climate & Weather Averages in Glennallen
High Temp: 44 °F
Low Temp: 21 °F
Mean Temp: 33 °F
Precipitation: 0.08"
Humidity: 57%
Dew Point: 19 °F
Wind: 5 mph
Pressure: 29.91 "Hg
Visibility: 22 mi
May Climate & Weather Averages in Glennallen
High Temp: 57 °F
Low Temp: 33 °F
Mean Temp: 45 °F
Precipitation: 0.31"
Humidity: 52%
Dew Point: 29 °F
Wind: 6 mph
Pressure: 29.92 "Hg
Visibility: 21 mi
June Climate & Weather Averages in Glennallen
High Temp: 67 °F
Low Temp: 43 °F
Mean Temp: 55 °F
Precipitation: 0.75"
Humidity: 55%
Dew Point: 38 °F
Wind: 6 mph
Pressure: 29.89 "Hg
Visibility: 22 mi
July Climate & Weather Averages in Glennallen
High Temp: 69 °F
Low Temp: 47 °F
Mean Temp: 58 °F
Precipitation: 1.00"
Humidity: 62%
Dew Point: 44 °F
Wind: 6 mph
Pressure: 29.93 "Hg
Visibility: 20 mi
August Climate & Weather Averages in Glennallen
High Temp: 65 °F
Low Temp: 43 °F
Mean Temp: 54 °F
Precipitation: 1.11"
Humidity: 66%
Dew Point: 42 °F
Wind: 6 mph
Pressure: 29.91 "Hg
Visibility: 20 mi
September Climate & Weather Averages in Glennallen
High Temp: 54 °F
Low Temp: 33 °F
Mean Temp: 44 °F
Precipitation: 0.87"
Humidity: 69%
Dew Point: 34 °F
Wind: 6 mph
Pressure: 29.87 "Hg
Visibility: 18 mi
October Climate & Weather Averages in Glennallen
High Temp: 35 °F
Low Temp: 19 °F
Mean Temp: 27 °F
Precipitation: 0.59"
Humidity: 78%
Dew Point: 21 °F
Wind: 4 mph
Pressure: 29.87 "Hg
Visibility: 14 mi
November Climate & Weather Averages in Glennallen
High Temp: 14 °F
Low Temp: -2 °F
Mean Temp: 6 °F
Precipitation: 0.45"
Humidity: 82%
Dew Point: 2 °F
Wind: 2 mph
Pressure: 29.93 "Hg
Visibility: 11 mi
December Climate & Weather Averages in Glennallen
High Temp: 8 °F
Low Temp: -8 °F
Mean Temp: 0 °F
Precipitation: 0.39"
Humidity: 80%
Dew Point: -4 °F
Wind: 2 mph
Pressure: 30.01 "Hg
Visibility: 11 mi