Weather Averages Apple River, IL

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Weather Averages for
Apple River, IL


Latitude: 42°20'N, Longitude: 90°0'W, Elevation: 970.0 ft, Distance: 10.65 mi

  Unit Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average temperature
over 30 years
°F 46 16 21 33 47 58 68 72 69 61 50 36 22
Average high temperature
over 30 years
°F 56 24 30 42 57 69 78 82 79 71 60 44 30
Average low temperature
over 30 years
°F 36 7 12 24 36 47 57 61 59 51 39 28 14
Highest recorded temperature
over 49 years
°F 98 57 62 84 91 93 98 98 98 98 89 75 62
Lowest recorded temperature
over 49 years
°F -29 -27 -29 -18 6 24 37 39 39 26 12 -9 -23
Average number of days above 90°F
over 30 years
days 10 - - - 0.1 0.2 2.2 4.1 2.6 0.8 - - -
Average precipitation
over 30 years
in 34.9 1.2 1.2 2.5 3.4 3.6 4.1 3.5 4.2 4.1 2.8 2.6 1.8
Average number of days below 32°F
over 30 years
days 150 30 26 25 10 1.2 - - - 0.6 7 21 29
Average number of days below 0°F
over 30 years
days 19 8.9 4.8 0.5 - - - - - - - 0.3 4.2
Average snowfall
over 30 years
in 29.8 8.0 6.7 5.5 1.9 - - - - - 0.2 1.9 7.7
Most rain reported in a day
over 54 years
in 4.6 2.9 1.6 2.3 3.0 3.5 4.1 4.6 3.0 4.4 2.8 2.4 2.0
Most rain reported in a month
over 54 years
in 49.0 5.1 4.1 6.3 8.4 9.7 13.6 9.1 10.9 11.5 9.3 6.3 5.6
Least rain reported in a month
over 54 years
in 19.1 - - 0.2 0.7 0.5 0.2 0.6 0.3 0.2 - 0.2 0.2
Heating degree days
over 30 years
days 7167 1470 1188 949 518 224 41 9 21 149 450 838 1310
Cooling degree days
over 30 years
days 663 - - - 6 42 141 235 173 58 8 - -
Most snow reported in a month
over 54 years
in 59.0 27.0 17.9 18.6 12.0 2.5 - - - - 1.6 10.0 19.5