Weather Averages Alpena, MI

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Weather Averages for
Alpena, MI



Latitude: 45°4'N, Longitude: 83°34'W, Elevation: 210.0 m, Distance: 2.74 km

  Unit Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average temperature
over 36 years
°C 6 -7 -7 -2 5 11 16 19 18 13 8 1 -4
Average high temperature
over 36 years
°C 11 -3 -2 3 10 18 23 26 25 20 13 6 0
Average low temperature
over 36 years
°C 0 -12 -12 -7 -1 4 8 12 11 7 2 -2 -8
Highest recorded temperature
over 36 years
°C 39 11 18 24 32 34 39 38 38 34 31 24 18
Lowest recorded temperature
over 36 years
°C -38 -33 -38 -32 - -6 -2 1 -1 -3 -8 -21 -27
Average number of rainy days
over 34 years
days 146 14 11 12 12 11 11 10 11 13 13 13 16
Average number of days above 27°C
over 36 years
days 6 - - - - - 2 3 1 - - - -
Average precipitation
over 36 years
cm 73.2 4.1 3.0 5.1 6.1 7.1 7.4 7.6 8.6 7.4 5.6 5.8 4.8
Average dew point
over 34 years
°C 1 -10 -11 -6 -1 4 10 13 13 10 3 -1 -7
Most recorded rainfall
over 36 years
cm 89.4 8.4 8.1 11.2 10.4 21.1 21.3 18.3 16.0 18.0 16.5 18.8 11.2
Least recorded rainfall
over 36 years
cm 54.4 0.5 0.3 0.8 3.0 2.5 0.5 0.5 2.3 0.8 1.5 1.5 1.0
Average number of days with thunderstorms
over 31 years
days 30 - - 1 2 4 5 7 6 4 1 - -
Average number of days with fog
over 31 years
days 158 10 9 13 12 13 14 14 17 16 14 14 12
Average morning relative humidity
over 36 years
% 83 81 80 82 80 78 81 85 90 91 86 84 83
Average evening relative humidity
over 36 years
% 60 67 62 59 53 51 53 54 59 61 62 68 72
Average wind speed
over 34 years
km/h 14.5 16.1 14.5 16.1 16.1 14.5 12.9 12.9 9.7 9.7 12.9 14.5 12.9
Average number of days below -1.5°C
over 36 years
days 177 30 27 28 19 7 1 - - 2 11 22 29
Average number of days below -17.5°C
over 30 years
days 21 7.2 7.3 3 - - - - - - - 0.2 2.8
Average snowfall
over 34 years
cm 215.9 54.4 40.1 34.0 12.4 0.8 - - - - 1.5 20.6 52.1
Average number of days above 14.5°C
over 36 years
days 132 - - 1 4 15 25 30 30 19 7 1 -
Average number of clear days
over 34 years
days 67 3 4 6 6 7 7 8 9 6 5 2 2
Most rain reported in a day
over 81 years
cm 13.0 4.6 7.4 4.3 4.1 5.6 6.3 7.1 7.6 13.0 5.3 5.8 5.8
Most rain reported in a month
over 81 years
cm 99.6 9.9 12.4 14.5 14.2 21.1 21.3 18.3 16.0 26.4 16.5 18.8 13.0
Least rain reported in a month
over 81 years
cm 43.4 0.5 0.5 0.8 1.3 1.3 0.5 0.5 1.8 0.8 0.5 1.5 1.0
Heating degree days
over 30 years
days 8284 1469 1308 1147 723 411 146 43 80 237 561 879 1280
Cooling degree days
over 30 years
days 231 - - - - 8 35 108 74 6 - - -
Average possibility of sunshine
over 34 years
% 49 37 45 52 53 60 63 66 59 51 42 29 28
Average number of cloudy days
over 34 years
days 193 21 17 17 16 14 12 10 11 14 18 22 23
Average number of partly cloudy days
over 34 years
days 105 7 7 8 8 10 11 13 11 10 8 6 6
Most snow reported in a month
over 81 years
cm 370.8 110.5 84.8 125.5 34.0 22.6 - - - 0.5 21.6 88.4 117.6