Weather Averages Athens, IL

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Weather Averages for
Athens, IL


Latitude: 39°51'N, Longitude: 89°41'W, Elevation: 594.0 ft, Distance: 9.13 mi

  Unit Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average temperature
over 95 years
°F 53 26 30 41 53 64 73 78 75 68 57 43 31
Average high temperature
over 95 years
°F 62 35 37 50 62 73 84 87 84 78 66 51 37
Average low temperature
over 95 years
°F 44 19 21 32 43 53 62 66 64 57 46 34 24
Highest recorded temperature
over 95 years
°F 111 73 78 91 89 100 104 111 107 100 93 82 73
Lowest recorded temperature
over 95 years
°F -23 -20 -23 -11 17 28 39 48 43 32 12 -2 -20
Average number of rainy days
over 46 years
days 114 9 9 12 12 10 10 9 8 8 8 9 10
Average number of days above 90°F
over 95 years
days 34 - - - - 2 7 12 9 4 - - -
Average precipitation
over 95 years
in 34.9 1.8 1.7 3.1 3.6 3.8 3.9 3.3 3.1 3.3 2.6 2.4 2.1
Average dew point
over 48 years
°F 43 17 21 31 41 51 60 64 64 55 44 33 24
Average number of days above 70°F
over 95 years
days 165 - - 3 10 21 29 31 31 25 14 2 -
Most recorded rainfall
over 95 years
in 54.5 6.2 4.9 7.9 9.9 10.6 10.8 10.8 8.4 15.2 13.4 6.9 8.9
Least recorded rainfall
over 95 years
in 22.8 - 0.3 0.2 0.7 0.3 0.2 0.3 0.1 - 0.1 - 0.1
Average number of days with thunderstorms
over 95 years
days 49 - 1 3 5 7 9 8 7 5 2 2 -
Average number of days with fog
over 95 years
days 91 9 8 8 6 6 5 6 9 8 8 8 10
Average morning relative humidity
over 48 years
% 83 80 81 81 79 81 82 85 89 87 83 82 82
Average evening relative humidity
over 48 years
% 57 67 65 59 52 51 51 54 56 50 50 60 69
Average wind speed
over 48 years
mph 12.0 14.0 13.0 14.0 14.0 12.0 11.0 9.0 9.0 10.0 12.0 13.0 14.0
Average number of days below 32°F
over 95 years
days 111 27 23 17 4 - - - - - 3 14 24
Average snowfall
over 46 years
in 23.6 5.8 6.4 4.1 0.7 - - - - - - 1.7 4.9
Average number of clear days
over 46 years
days 104 7 7 6 7 8 9 10 11 12 12 8 7
Heating degree days
over 30 years
days 5688 1265 1016 750 361 166 7 - 8 44 314 663 1094
Cooling degree days
over 30 years
days 1141 - - - 7 120 244 357 278 113 22 - -
Average possibility of sunshine
over 45 years
% 59 49 51 51 56 64 68 71 70 68 63 48 44
Average number of cloudy days
over 46 years
days 168 17 15 18 15 14 12 10 10 10 12 16 18
Average number of partly cloudy days
over 46 years
days 94 7 6 7 8 9 9 11 10 8 7 6 6
Average number of days below 10°F
over 95 years
days 19 8 5 1 - - - - - - - - 4