CLIMATE CHARTS

Galesburg, Illinois

Latitude: 40.9464 Longitude: -90.3856

Elevation: 771 feet (235.0 meters)

Galesburg, Illinois Temperature Chart Daily average maximum and minimum temperatures for Galesburg, 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 Galesburg, Illinois Precipitation Chart Precipitation chart for Galesburg, 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 GALESBURG, IL Daylight chart for GALESBURG, IL. Latitude 40.9. 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 Galesburg, Illinois

Imperial Units
Statistic Units Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum Temperature °F 30.3 35.0 47.9 61.5 71.7 80.8 84.0 82.2 75.4 62.9 48.3 33.9
Minimum Temperature °F 13.5 17.2 28.0 40.3 51.0 61.3 65.1 63.2 54.0 42.1 29.9 18.1
Heating Degree Days °F 1336 1089 839 434 170 22 2 8 105 398 777 1209
Cooling Degree Days °F 0 0 0 11 57 204 298 247 96 11 0 0
Precipitation in. 1.51 1.63 2.76 3.72 4.45 4.30 4.38 3.97 3.47 2.75 2.87 2.27

Metric Units
Statistic Units Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum Temperature °C -0.9 1.7 8.8 16.4 22.1 27.1 28.9 27.9 24.1 17.2 9.1 1.1
Minimum Temperature °C -10.3 -8.2 -2.2 4.6 10.6 16.3 18.4 17.3 12.2 5.6 -1.2 -7.7
Heating Degree Days °C 742 605 466 241 94 12 1 4 58 221 432 672
Cooling Degree Days °C 0 0 0 6 32 113 166 137 53 6 0 0
Precipitation cm. 3.84 4.14 7.01 9.45 11.30 10.92 11.13 10.08 8.81 6.99 7.29 5.77
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