Weather Averages Arthur, IL

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Weather Averages for
Arthur, IL


Latitude: 39°47'N, Longitude: 88°16'W, Elevation: 653.0 ft, Distance: 11.49 mi

  Unit Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average temperature
over 30 years
°F 53 25 29 41 53 64 73 76 73 67 55 43 30
Average high temperature
over 30 years
°F 64 33 39 52 65 76 85 88 85 80 68 53 38
Average low temperature
over 30 years
°F 41 16 20 31 41 51 60 64 61 55 43 33 22
Highest recorded temperature
over 101 years
°F 113 73 73 87 91 98 105 113 104 102 93 82 69
Lowest recorded temperature
over 101 years
°F -25 -25 -23 -9 15 26 34 44 41 21 17 -7 -25
Average number of days above 90°F
over 30 years
days 24 - - - - 1.2 5.8 8.1 6.2 3 0.2 - -
Average precipitation
over 30 years
in 39.6 2.0 2.0 3.2 3.8 3.9 3.7 4.6 3.7 3.2 2.6 3.4 3.3
Average number of days below 32°F
over 30 years
days 78 18 15 12 4 0.3 - - - 0.1 3 9.9 16
Average number of days below 0°F
over 30 years
days 5.1 2.3 1.6 0.1 - - - - - - - - 1
Average snowfall
over 30 years
in 25.2 8.1 6.3 3.4 0.4 - - - - - - 1.8 5.9
Most rain reported in a day
over 102 years
in 6.3 2.3 2.3 3.9 2.8 3.8 4.0 3.7 6.3 4.7 3.3 3.5 3.0
Most rain reported in a month
over 102 years
in 55.1 9.0 6.2 8.9 9.6 13.1 9.2 14.0 9.5 14.1 8.7 11.3 8.3
Least rain reported in a month
over 102 years
in 24.9 - 0.3 0.5 0.6 0.2 0.5 0.6 0.7 0.1 0.2 0.1 0.1
Heating degree days
over 30 years
days 5469 1232 990 714 354 118 11 2 4 61 300 641 1042
Cooling degree days
over 30 years
days 1128 - - 2 14 89 253 336 269 143 22 - -
Most snow reported in a month
over 102 years
in 44.2 26.7 16.3 13.5 3.0 - - - - - 1.0 11.7 30.5