Weather Averages Iliamna, AK

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Weather Averages for
Iliamna, AK


Latitude: 59°45'N, Longitude: 154°55'W, Elevation: 190.0 ft, Distance: 28.74 mi

  Unit Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average temperature
over 19 years
°F 34 14 17 19 31 42 50 53 53 46 35 23 12
Average high temperature
over 19 years
°F 41 21 24 28 39 50 59 62 60 53 41 28 19
Average low temperature
over 19 years
°F 26 8 10 10 23 34 42 46 46 41 30 17 6
Highest recorded temperature
over 19 years
°F 91 48 46 48 59 71 91 82 80 69 60 48 44
Lowest recorded temperature
over 19 years
°F -47 -47 -45 -29 -16 3 30 34 32 23 -2 -20 -31
Average number of rainy days
over 19 years
days 50.3 3.7 3.2 3.2 2.7 3.2 3 5.3 7.9 6.2 4.9 3 4
Average precipitation
over 19 years
in 25.3 1.5 1.2 1.2 1.0 1.2 1.3 2.8 5.1 3.9 3.0 1.6 1.6
Average number of days below 32°F
over 10 years
days 201.3 29 27 31 26 11 0.3 - - 4 20 24 29
Average snowfall
over 19 years
in 63.6 11.2 11.5 11.1 5.6 0.5 - - - - 2.2 7.3 14.2
Average snow cover
over 59 years
in 3.0 8.0 9.0 10.0 7.0 1.0 - - - - - 2.0 4.0
Heating degree days
over 30 years
days 11153 1522 1375 1327 1026 701 432 288 326 510 952 1218 1476
Cooling degree days
over 30 years
days - - - - - - - - - - - - -