Weather Averages Ashley, IL

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Weather Averages for
Ashley, IL



Latitude: 38°22'N, Longitude: 89°19'W, Elevation: 157.0 m, Distance: 3.74 km

  Unit Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average temperature
over 30 years
°C 12 -1 0 7 13 18 23 25 24 20 14 7 1
Average high temperature
over 30 years
°C 18 3 6 12 19 24 29 31 30 26 20 12 5
Average low temperature
over 30 years
°C 7 -6 -4 1 7 12 17 19 18 14 8 2 -3
Highest recorded temperature
over 101 years
°C 42 23 24 28 32 33 38 42 41 40 34 27 22
Lowest recorded temperature
over 101 years
°C -29 -27 -29 -16 -6 -2 5 7 5 -3 -6 -14 -29
Average number of days above 27°C
over 30 years
days 16 - - - - 0.3 3.3 5.7 4.7 1.7 0.1 - -
Average precipitation
over 30 years
cm 99.3 4.8 6.3 9.9 9.4 10.2 8.6 9.4 7.6 7.9 7.6 8.9 8.6
Average number of days below -1.5°C
over 30 years
days 45 11 9.7 6 1.4 0.1 - - - - 1 5.3 10
Average number of days below -17.5°C
over 30 years
days 1.7 0.8 0.4 - - - - - - - - - 0.4
Average snowfall
over 30 years
cm 45.0 14.0 12.2 6.1 1.5 - - - - - - 2.0 9.1
Most rain reported in a day
over 101 years
cm 19.8 10.2 8.9 10.2 10.9 11.9 11.2 8.6 19.8 9.7 12.7 8.6 9.7
Most rain reported in a month
over 101 years
cm 146.3 26.2 16.0 33.3 25.9 42.7 28.4 29.5 53.8 21.1 35.6 30.7 25.9
Least rain reported in a month
over 101 years
cm 60.5 0.3 0.3 - 1.5 1.0 0.5 0.8 0.3 0.5 0.5 0.5 0.8
Heating degree days
over 30 years
days 4777 1092 878 619 296 92 5 1 2 48 253 572 919
Cooling degree days
over 30 years
days 1334 - - 3 24 101 280 396 328 168 32 2 -
Most snow reported in a month
over 101 years
cm 106.9 58.4 53.3 47.0 34.0 - - - - - 5.1 22.9 43.4