Rockford

The tables below display average monthly climate and weather indicators in Rockford Illinois. Temperature by: Fahrenheit / Centigrade Rockford Temperature Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Avg. Temperature -7.7 -5.1 1.7 8.7 15.1 20.4 22.9 21.6 17.3 10.8 3.3 -4.4 8.7 Avg. Max Temperature -3.0 -0.2 6.6 14.7 21.6 26.8 28.8 27.4 23.4 16.8 7.9 -0.1 14.2 Avg. Min Temperature -12.3 -9.9 -3.3 2.7 8.6 14.1 16.9 15.7 11.1 4.8 -1.4 -8.8 3.2 Days with Max Temp of 32 C or Higher 0.0 0.0 0.0 < 0.5 1.0 3.0 6.0 3.0 1.0 < 0.5 0.0 0.0 14.0 Days with Min Temp Below Freezing 29.0 26.0 23.0 9.0 1.0 0.0 0.0 0.0 1.0 7.0 20.0 28.0 144     Rockford Heating and Cooling Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Heating Degree Days 1451 1179 930 519 239 24.0 5.0 15.0 99.0 427 810 1271 6969 Cooling Degree Days 0.0 0.0 0.0 0.0 56.0 138 259 198 42.0 9.0 0.0 0.0 702     Rockford Precipitation Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Precipitation (inches) 1.3 1.1 2.5 3.6 3.7 4.5 4.1 4.2 3.8 2.9 2.6 2.0 36.3 Days with Precipitation 0.01 inch or More 9.0 8.0 11.0 12.0 12.0 10.0 10.0 9.0 9.0 9.0 9.0 10.0 118 Monthly Snowfall (inches) 9.0 7.0 6.3 1.3 0.0 < 0.05 < 0.05 < 0.05 0.0 0.1 2.7 9.1 35.5     Other Rockford Weather Indicators Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Average Wind Speed 10.5 10.6 11.6 11.8 10.4 9.3 8.1 7.7 8.4 9.5 10.6 10.4 9.9 Clear Days 7.0 7.0 6.0 6.0 8.0 7.0 9.0 9.0 10.0 10.0 6.0 7.0 93.0 Partly Cloudy Days 7.0 6.0 8.0 8.0 9.0 11.0 12.0 11.0 9.0 7.0 6.0 6.0 98.0 Cloudy Days 17.0 15.0 17.0 16.0 14.0 12.0 10.0 11.0 12.0 13.0 18.0 19.0 174 Avg. Relative Humidity 57.5 76.5 74.0 71.5 68.5 68.0 71.5 75.0 75.5 73.0 71.5 75.5 78.5

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