CLIMATE CHARTS

Walnut, Illinois

Latitude: 41.5519 Longitude: -89.5989

Elevation: 690 feet (210.3 meters)

Walnut, Illinois Temperature Chart Daily average maximum and minimum temperatures for Walnut, 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 Walnut, Illinois Precipitation Chart Precipitation chart for Walnut, 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 WALNUT, IL Daylight chart for WALNUT, IL. Latitude 41.6. 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 Walnut, Illinois

Imperial Units
Statistic Units Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum Temperature °F 29.4 34.1 46.7 60.8 71.5 80.7 83.6 81.7 75.3 62.9 47.9 33.5
Minimum Temperature °F 12.3 16.9 27.8 38.4 49.7 59.3 63.1 60.9 51.9 40.0 29.8 16.9
Heating Degree Days °F 1368 1106 861 472 190 30 5 14 123 429 785 1234
Cooling Degree Days °F 0 0 0 10 53 180 264 209 80 9 0 0
Precipitation in. 1.29 1.57 2.15 3.18 4.36 4.56 3.85 4.44 3.12 2.89 2.44 1.96

Metric Units
Statistic Units Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum Temperature °C -1.4 1.2 8.2 16.0 21.9 27.1 28.7 27.6 24.1 17.2 8.8 0.8
Minimum Temperature °C -10.9 -8.4 -2.3 3.6 9.8 15.2 17.3 16.1 11.1 4.4 -1.2 -8.4
Heating Degree Days °C 760 614 478 262 106 17 3 8 68 238 436 686
Cooling Degree Days °C 0 0 0 6 29 100 147 116 44 5 0 0
Precipitation cm. 3.28 3.99 5.46 8.08 11.07 11.58 9.78 11.28 7.92 7.34 6.20 4.98
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