CLIMATE CHARTS

St Charles, Missouri

Latitude: 38.6856 Longitude: -90.5231

Elevation: 450.1 feet (137.2 meters)

St Charles, Missouri Temperature Chart Daily average maximum and minimum temperatures for St Charles, Missouri 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 St Charles, Missouri Precipitation Chart Precipitation chart for St Charles, Missouri 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 ST CHARLES, MO Daylight chart for ST CHARLES, MO. Latitude 38.7. 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 St Charles, Missouri

Imperial Units
Statistic Units Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum Temperature °F 39.7 44.9 55.0 66.9 75.8 84.5 88.5 87.3 80.0 68.5 56.2 42.7
Minimum Temperature °F 21.5 25.2 34.5 45.4 55.7 64.9 68.9 66.7 57.5 45.5 36.1 24.9
Heating Degree Days °F 1066 839 634 300 88 9 0 2 56 276 569 967
Cooling Degree Days °F 0 0 6 35 111 300 425 374 169 28 4 0
Precipitation in. 2.03 2.32 3.27 3.67 4.98 4.03 4.05 3.22 3.37 3.33 3.90 2.97

Metric Units
Statistic Units Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum Temperature °C 4.3 7.2 12.8 19.4 24.3 29.2 31.4 30.7 26.7 20.3 13.4 5.9
Minimum Temperature °C -5.8 -3.8 1.4 7.4 13.2 18.3 20.5 19.3 14.2 7.5 2.3 -3.9
Heating Degree Days °C 592 466 352 167 49 5 0 1 31 153 316 537
Cooling Degree Days °C 0 0 3 19 62 167 236 208 94 16 2 0
Precipitation cm. 5.16 5.89 8.31 9.32 12.65 10.24 10.29 8.18 8.56 8.46 9.91 7.54
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