CLIMATE CHARTS

Cahokia St Louis Ap, Illinois

Latitude: 38.5714 Longitude: -90.1572

Elevation: 413.1 feet (125.9 meters)

Cahokia St Louis Ap, Illinois Temperature Chart Daily average maximum and minimum temperatures for Cahokia St Louis Ap, 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 Cahokia St Louis Ap, Illinois Precipitation Chart Precipitation chart for Cahokia St Louis Ap, 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 CAHOKIA ST LOUIS AP, IL Daylight chart for CAHOKIA ST LOUIS AP, IL. Latitude 38.6. 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 Cahokia St Louis Ap, Illinois

Imperial Units
Statistic Units Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum Temperature °F 40.7 45.5 56.2 67.5 76.6 85.4 88.4 87.7 80.3 69.2 54.9 42.7
Minimum Temperature °F 22.7 26.7 34.2 44.3 55.0 62.6 67.2 64.7 55.1 44.7 35.3 26.0
Heating Degree Days °F 1032 809 617 297 83 7 0 2 53 277 598 950
Cooling Degree Days °F 0 0 3 24 108 277 397 349 134 28 1 0
Precipitation in. 2.39 2.10 3.17 4.05 4.95 4.17 3.59 3.15 3.18 3.39 3.76 3.04

Metric Units
Statistic Units Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum Temperature °C 4.8 7.5 13.4 19.7 24.8 29.7 31.3 30.9 26.8 20.7 12.7 5.9
Minimum Temperature °C -5.2 -2.9 1.2 6.8 12.8 17.0 19.6 18.2 12.8 7.1 1.8 -3.3
Heating Degree Days °C 573 449 343 165 46 4 0 1 29 154 332 528
Cooling Degree Days °C 0 0 2 13 60 154 221 194 74 16 1 0
Precipitation cm. 6.07 5.33 8.05 10.29 12.57 10.59 9.12 8.00 8.08 8.61 9.55 7.72
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