Weather Averages Assumption, IL

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Weather Averages for
Assumption, IL


Latitude: 39°22'N, Longitude: 89°4'W, Elevation: 700.0 ft, Distance: 9.32 mi

  Unit Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average temperature
over 30 years
°F 53 26 30 42 54 63 72 75 73 67 55 43 31
Average high temperature
over 30 years
°F 62 34 39 52 65 74 83 86 83 78 66 52 39
Average low temperature
over 30 years
°F 43 17 21 32 43 52 61 65 63 56 45 34 23
Highest recorded temperature
over 107 years
°F 114 73 75 87 91 98 105 114 107 105 95 84 73
Lowest recorded temperature
over 107 years
°F -25 -25 -23 -5 17 26 35 44 41 26 17 -2 -20
Average number of days above 90°F
over 30 years
days 33 - - - - 1.1 7 12 9.2 3.7 0.2 - -
Average precipitation
over 30 years
in 40.2 2.0 2.2 3.7 3.7 4.1 3.9 4.3 3.4 3.3 2.9 3.4 3.5
Average number of days below 32°F
over 30 years
days 106 25 21 16 4.2 0.2 - - - 0.1 2.8 13 23
Average number of days below 0°F
over 30 years
days 5.2 2.5 1.4 0.1 - - - - - - - - 1.2
Average snowfall
over 30 years
in 25.9 7.3 6.1 4.3 0.6 - - - - - 0.1 1.7 5.8
Most rain reported in a day
over 107 years
in 7.9 5.3 2.3 3.0 7.0 4.2 7.9 3.4 4.6 5.9 4.3 3.3 3.0
Most rain reported in a month
over 107 years
in 57.9 10.5 5.9 8.6 12.0 10.7 14.5 9.0 11.7 11.5 9.1 10.1 9.3
Least rain reported in a month
over 107 years
in 13.8 - 0.1 0.4 0.8 0.6 0.4 0.4 0.2 0.1 0.1 0.1 0.3
Heating degree days
over 30 years
days 5420 1207 968 704 343 121 11 2 5 67 307 639 1046
Cooling degree days
over 30 years
days 1096 - - 2 17 79 233 342 270 133 19 1 -
Most snow reported in a month
over 107 years
in 46.2 26.8 16.5 23.0 8.0 2.5 - - - - 2.5 12.5 27.7