Weather Averages Alma, IL

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Weather Averages for
Alma, IL



Latitude: 38°38'N, Longitude: 88°57'W, Elevation: 173.7 m, Distance: 4.50 km

  Unit Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average temperature
over 12 years
°C 12 0 2 5 12 18 23 25 25 20 14 6 1
Average high temperature
over 12 years
°C 18 4 7 11 18 24 29 31 30 27 21 11 6
Average low temperature
over 12 years
°C 7 -4 -2 0 7 12 18 20 19 14 8 1 -2
Highest recorded temperature
over 12 years
°C 43 23 22 28 31 36 40 43 38 39 35 28 22
Lowest recorded temperature
over 12 years
°C -23 -22 -23 -19 -5 1 8 11 8 3 -4 -15 -17
Average number of rainy days
over 45 years
days 72.8 6 5.1 6.5 6.8 7 7.1 6 6.6 5.2 5.4 5.1 6
Average number of days above 27°C
over 12 years
days 41.4 - - - - 1.6 9.8 12.5 11.5 5.6 0.4 - -
Average precipitation
over 45 years
cm 103.9 7.1 5.8 8.9 10.2 11.4 10.9 8.4 9.7 8.1 8.4 7.9 7.4
Average relative humidity
over 12 years
% 69 74 73 69 66 68 68 69 71 67 66 68 73
Average dew point
over 12 years
°C 7 -4 -2 0 6 12 17 18 18 13 7 0 -2
Average number of days below -1.5°C
over 12 years
days 99.6 25.6 19.2 14.9 1.9 - - - - - 1 14.6 22.4
Average number of days below -17.5°C
over 12 years
days 1.4 0.9 0.4 0.1 - - - - - - - - -
Average snowfall
over 16 years
cm 38.4 9.4 6.9 11.7 0.5 - - - - - - 3.8 6.1