CLIMATE CHARTS

Romeoville Wfo, Illinois

Latitude: 41.6042 Longitude: -88.0850

Elevation: 640.1 feet (195.1 meters)

Romeoville Wfo, Illinois Temperature Chart Daily average maximum and minimum temperatures for Romeoville Wfo, 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 Romeoville Wfo, Illinois Precipitation Chart Precipitation chart for Romeoville Wfo, 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 ROMEOVILLE WFO, IL Daylight chart for ROMEOVILLE WFO, 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 Romeoville Wfo, Illinois

Imperial Units
Statistic Units Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum Temperature °F 30.6 35.5 47.8 60.8 71.1 80.2 84.0 82.0 75.6 62.9 48.5 34.7
Minimum Temperature °F 15.8 19.7 29.5 39.6 49.9 59.6 64.1 62.7 54.6 43.0 32.7 20.0
Heating Degree Days °F 1295 1047 817 449 192 33 2 6 91 388 732 1167
Cooling Degree Days °F 0 0 0 5 53 180 282 233 94 15 0 0
Precipitation in. 1.93 1.78 2.77 3.96 4.26 4.34 4.71 4.07 3.13 3.41 3.46 2.25

Metric Units
Statistic Units Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum Temperature °C -0.8 1.9 8.8 16.0 21.7 26.8 28.9 27.8 24.2 17.2 9.2 1.5
Minimum Temperature °C -9.0 -6.8 -1.4 4.2 9.9 15.3 17.8 17.1 12.6 6.1 0.4 -6.7
Heating Degree Days °C 719 582 454 249 107 18 1 3 51 216 407 648
Cooling Degree Days °C 0 0 0 3 29 100 157 129 52 8 0 0
Precipitation cm. 4.90 4.52 7.04 10.06 10.82 11.02 11.96 10.34 7.95 8.66 8.79 5.71
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