Weather Averages Mc Grath, AK

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Weather Averages for
Mc Grath, AK


Latitude: 62°58'N, Longitude: 155°37'W, Elevation: 344.0 ft, Distance: 17.20 mi

  Unit Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average temperature
over 47 years
°F 26 -5 0 10 26 44 55 59 55 44 24 6 -5
Average high temperature
over 47 years
°F 35 1 8 23 37 55 66 68 62 51 32 12 1
Average low temperature
over 47 years
°F 16 -16 -13 -2 16 35 44 48 44 35 17 -2 -14
Highest recorded temperature
over 47 years
°F 89 46 50 51 66 82 89 89 89 75 59 48 48
Lowest recorded temperature
over 47 years
°F -67 -67 -59 -50 -40 0 30 33 24 1 -27 -52 -67
Average number of rainy days
over 51 years
days 138 10 8 9 7 9 13 15 17 14 12 12 12
Average precipitation
over 47 years
in 16.6 0.9 0.7 0.8 0.7 0.9 1.5 2.2 2.8 2.2 1.3 1.3 1.3
Average dew point
over 27 years
°F 17 -11 -7 - 16 31 42 48 46 36 19 1 -9
Average number of days above 70°F
over 47 years
days 33 - - - - 2 10 14 6 - - - -
Most recorded rainfall
over 47 years
in 25.7 3.7 2.6 2.8 2.8 3.1 4.4 5.4 5.9 6.2 2.8 4.3 5.0
Least recorded rainfall
over 47 years
in 7.0 0.1 - - - 0.2 0.4 0.4 0.8 0.2 0.1 - 0.1
Average number of days with thunderstorms
over 47 years
days 7 - - - - 1 3 2 1 - - - -
Average number of days with fog
over 47 years
days 89 11 7 6 5 3 3 6 9 8 10 10 11
Average morning relative humidity
over 26 years
% 80 74 73 73 76 76 78 85 90 89 85 79 76
Average evening relative humidity
over 27 years
% 62 72 65 54 50 46 48 56 63 63 71 76 74
Average wind speed
over 27 years
mph 6.0 4.0 8.0 8.0 8.0 8.0 6.0 9.0 9.0 6.0 6.0 5.0 4.0
Average number of days above 60°F
over 47 years
days 88 - - - - 11 24 26 21 6 - - -
Average number of days below 32°F
over 47 years
days 229 31 28 31 28 11 - - 1 10 28 30 31
Average number of days below 0°F
over 47 years
days 112 24 21 18 5 - - - - - 3 17 24
Average snowfall
over 50 years
in 93.7 14.4 12.0 12.4 6.9 0.9 - - - 1.1 10.2 17.1 18.7
Average number of clear days
over 51 years
days 66 9 9 9 7 4 2 2 2 3 4 6 8
Average snow cover
over 60 years
in 10.0 23.0 26.0 26.0 18.0 1.0 - - - - 1.0 8.0 16.0
Heating degree days
over 30 years
days 14396 2285 1893 1699 1155 636 291 207 338 624 1249 1818 2201
Cooling degree days
over 30 years
days 18 - - - - - - 12 6 - - - -
Average number of cloudy days
over 51 years
days 228 17 15 16 16 19 19 21 23 22 22 19 19
Average number of partly cloudy days
over 51 years
days 71 5 4 6 7 8 9 8 6 5 5 5 4