CLIMATE CHARTS

Winchester, Illinois

Latitude: 39.6319 Longitude: -90.4572

Elevation: 509.8 feet (155.4 meters)

Winchester, Illinois Temperature Chart Daily average maximum and minimum temperatures for Winchester, 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 Winchester, Illinois Precipitation Chart Precipitation chart for Winchester, 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 WINCHESTER, IL Daylight chart for WINCHESTER, IL. Latitude 39.6. 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 Winchester, Illinois

Imperial Units
Statistic Units Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum Temperature °F 35.3 40.5 52.3 65.5 74.5 83.3 86.9 86.4 79.5 67.3 53.0 38.9
Minimum Temperature °F 18.1 22.0 31.2 41.3 52.3 61.9 65.3 63.1 53.5 42.3 32.5 21.6
Heating Degree Days °F 1187 945 722 362 129 15 1 3 72 335 668 1077
Cooling Degree Days °F 0 0 2 14 79 243 345 305 117 19 1 0
Precipitation in. 1.99 1.96 2.99 3.78 4.60 4.66 4.01 3.65 3.29 3.05 3.55 2.53

Metric Units
Statistic Units Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum Temperature °C 1.8 4.7 11.3 18.6 23.6 28.5 30.5 30.2 26.4 19.6 11.7 3.8
Minimum Temperature °C -7.7 -5.6 -0.4 5.2 11.3 16.6 18.5 17.3 11.9 5.7 0.3 -5.8
Heating Degree Days °C 659 525 401 201 72 8 1 2 40 186 371 598
Cooling Degree Days °C 0 0 1 8 44 135 192 169 65 11 1 0
Precipitation cm. 5.05 4.98 7.59 9.60 11.68 11.84 10.19 9.27 8.36 7.75 9.02 6.43
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