CLIMATE CHARTS

De Kalb, Illinois

Latitude: 41.9342 Longitude: -88.7756

Elevation: 873 feet (266.1 meters)

De Kalb, Illinois Temperature Chart Daily average maximum and minimum temperatures for De Kalb, Illinois Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec High & Low Temperature °F  °C -30 -34.4 -20 -28.9 -10 -23.3 0 -17.8 10 -12.2 20 -6.7 30 -1.1 40 4.4 50 10.0 60 15.6 70 21.1 80 26.7 90 32.2 100 37.8 110 43.3 De Kalb, Illinois Precipitation Chart Precipitation chart for De Kalb, Illinois Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Precipitation In. Cm. 0.00 0.00 0.10 0.25 0.20 0.51 0.30 0.76 0.40 1.02 0.50 1.27 0.60 1.52 0.70 1.78 0.80 2.03 0.90 2.29 1.00 2.54 Daylight Chart for DE KALB, IL Daylight chart for DE KALB, IL. Latitude 41.9. Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Sunrise/Sunset Daylight NOON NOON 0 0 2 2 4 4 6 6 8 8 10 10 12 12 14 2 16 4 18 6 20 8 22 10 24 12

Monthly Data Table for De Kalb, Illinois

Imperial Units
Statistic Units Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum Temperature °F 27.9 32.8 44.9 59.0 70.3 80.0 83.3 81.3 74.5 61.9 46.4 31.9
Minimum Temperature °F 12.8 16.8 27.0 37.7 48.5 58.9 62.9 61.0 52.3 40.2 29.7 17.2
Heating Degree Days °F 1384 1125 901 506 216 38 5 15 127 440 809 1254
Cooling Degree Days °F 0 0 0 6 42 172 256 206 79 8 0 0
Precipitation in. 1.48 1.54 2.27 3.27 4.57 4.14 4.37 4.36 3.25 2.88 2.70 2.15

Metric Units
Statistic Units Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum Temperature °C -2.3 0.4 7.2 15.0 21.3 26.7 28.5 27.4 23.6 16.6 8.0 -0.1
Minimum Temperature °C -10.7 -8.4 -2.8 3.2 9.2 14.9 17.2 16.1 11.3 4.6 -1.3 -8.2
Heating Degree Days °C 769 625 501 281 120 21 3 8 71 244 449 697
Cooling Degree Days °C 0 0 0 3 23 96 142 114 44 4 0 0
Precipitation cm. 3.76 3.91 5.77 8.31 11.61 10.52 11.10 11.07 8.26 7.32 6.86 5.46
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