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Weather Averages for Unalaska, AK

7-day Forecast / 10-day Forecast
Saturday
High: 44°F
Low: 38°F
Cloudy
 
Sunday
High: 53°F
Low: 37°F
Moderate rain
 
Monday
High: 41°F
Low: 34°F
Light snow
 
Tuesday
High: 41°F
Low: 33°F
Partly Cloudy
 
Wednesday
High: 37°F
Low: 35°F
Cloudy
 

Latitude: 52°43'N, Longitude: 174°6'W, Elevation: 90.0 ft, Distance: 36.03 mi                 Unalaska, AK Averages »

  Unit Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average temperature
over 47 years
°F 37 31 30 32 35 37 42 46 48 46 42 36 32
Average high temperature
over 47 years
°F 41 33 33 34 37 41 44 49 51 50 45 39 35
Average low temperature
over 47 years
°F 36 28 28 29 32 35 39 44 46 44 39 33 29
Average precipitation
over 47 years
in 31.8 2.5 2.0 2.0 1.8 1.9 1.8 2.8 3.5 2.9 3.7 3.8 3.0
Average snowfall
over 47 years
in 74.0 16.5 14.4 11.1 5.0 1.2 - - - - 0.6 8.8 16.4
Average snow cover
over 47 years
in 1.0 3.0 3.0 2.0 - - - - - - - - 2.0
Heating degree days
over 30 years
days 9599 1054 966 1026 900 818 684 570 490 516 707 870 998
Cooling degree days
over 30 years
days - - - - - - - - - - - - -




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