Charleston, Illinois

ID: USC00111436 Latitude: 39.4761 Longitude: -88.1653

Elevation: 700.1 feet ( 213.4 meters)

Source: NOAA Climate Normals 1991-2020

CHARLESTON, IL US, STATE_NAME Temperature Chart Daily average maximum and minimum temperatures for CHARLESTON, IL US, STATE_NAME 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
CHARLESTON, IL US, Illinois Precipitation Chart Precipitation chart for CHARLESTON, IL US, 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 Precipitation Total: 43.75 in., 17.22 cm.
Daylight Chart for Charleston Daylight chart for Charleston. Latitude 39.5. 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 Charleston, Illinois

Monthly Data from NOAA Monthly Normals 2006-2020

Imperial Units
Statistic Units Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum Temperature °F 38.7 42.3 55.3 68.0 77.7 86.1 88.1 87.2 81.8 69.0 55.1 43.4
Minimum Temperature °F 20.6 22.9 34.4 43.9 54.8 63.7 66.6 64.5 57.7 45.5 34.3 26.3
Heating Degree Days °F 1095.5 906.8 633.0 293.7 90.1 2.9 0.4 1.5 41.0 278.7 610.2 934.5
Cooling Degree Days °F 0.0 0.0 8.2 22.2 128.7 299.6 383.2 337.7 183.2 38.5 1.3 0.1
Precipitation I 2.7 2.9 3.2 5.6 4.5 6.0 4.4 2.9 2.9 4.1 3.5 3.2

Metric Units
Statistic Units Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum Temperature °C 3.7 5.7 12.9 20.0 25.4 30.1 31.2 30.7 27.7 20.6 12.8 6.3
Minimum Temperature °C -6.3 -5.1 1.3 6.6 12.7 17.6 19.2 18.1 14.3 7.5 1.3 -3.2
Heating Degree Days °C 590.8 486.0 333.9 145.4 32.3 -16.2 -17.6 -16.9 5.0 137.1 321.2 501.4
Cooling Degree Days °C -17.8 -17.8 -13.2 -5.4 53.7 148.7 195.1 169.8 84.0 3.6 -17.1 -17.7
Precipitation M 6.9 7.3 8.1 14.2 11.5 15.3 11.2 7.5 7.4 10.5 8.8 8.1
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