CLIMATE CHARTS

Waterloo, Illinois

Latitude: 38.3664 Longitude: -90.1619

Elevation: 661.1 feet (201.5 meters)

Waterloo, Illinois Temperature Chart Daily average maximum and minimum temperatures for Waterloo, 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 Waterloo, Illinois Precipitation Chart Precipitation chart for Waterloo, 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 WATERLOO, IL Daylight chart for WATERLOO, IL. Latitude 38.4. 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 Waterloo, Illinois

Imperial Units
Statistic Units Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum Temperature °F 39.2 44.2 55.0 66.5 75.8 84.4 87.7 87.1 79.5 68.0 55.7 42.4
Minimum Temperature °F 23.3 26.8 36.4 45.8 55.4 64.6 68.2 66.4 58.8 48.0 37.7 26.6
Heating Degree Days °F 1046 826 605 295 88 9 1 2 53 250 555 945
Cooling Degree Days °F 0 0 7 30 107 294 402 366 178 33 6 0
Precipitation in. 2.45 2.53 3.30 4.09 4.93 4.22 4.22 3.11 3.69 3.57 3.75 3.32

Metric Units
Statistic Units Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum Temperature °C 4.0 6.8 12.8 19.2 24.3 29.1 30.9 30.6 26.4 20.0 13.2 5.8
Minimum Temperature °C -4.8 -2.9 2.4 7.7 13.0 18.1 20.1 19.1 14.9 8.9 3.2 -3.0
Heating Degree Days °C 581 459 336 164 49 5 1 1 29 139 308 525
Cooling Degree Days °C 0 0 4 17 59 163 223 203 99 18 3 0
Precipitation cm. 6.22 6.43 8.38 10.39 12.52 10.72 10.72 7.90 9.37 9.07 9.53 8.43