CLIMATE CHARTS

Denison, Iowa

Latitude: 42.0364 Longitude: -95.3289

Elevation: 1400.9 feet (427.0 meters)

Denison, Iowa Temperature Chart Daily average maximum and minimum temperatures for Denison, Iowa 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 Denison, Iowa Precipitation Chart Precipitation chart for Denison, Iowa 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 DENISON, IA Daylight chart for DENISON, IA. Latitude 42. 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 Denison, Iowa

Imperial Units
Statistic Units Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum Temperature °F 30.4 35.1 47.3 61.0 71.9 81.5 85.2 83.2 76.3 63.5 47.2 32.8
Minimum Temperature °F 11.4 15.6 25.8 37.4 50.2 60.3 64.9 62.7 52.9 40.7 27.5 15.3
Heating Degree Days °F 1367 1110 882 484 179 23 2 9 111 413 830 1269
Cooling Degree Days °F 0 0 0 10 57 200 314 255 99 13 0 0
Precipitation in. 0.72 0.78 2.07 3.30 4.44 4.87 4.27 3.86 3.04 2.41 1.49 1.01

Metric Units
Statistic Units Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum Temperature °C -0.9 1.7 8.5 16.1 22.2 27.5 29.6 28.4 24.6 17.5 8.4 0.4
Minimum Temperature °C -11.4 -9.1 -3.4 3.0 10.1 15.7 18.3 17.1 11.6 4.8 -2.5 -9.3
Heating Degree Days °C 759 617 490 269 99 13 1 5 62 229 461 705
Cooling Degree Days °C 0 0 0 6 32 111 174 142 55 7 0 0
Precipitation cm. 1.83 1.98 5.26 8.38 11.28 12.37 10.85 9.80 7.72 6.12 3.78 2.57
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