CLIMATE CHARTS

Decorah, Iowa

Latitude: 43.3042 Longitude: -91.7953

Elevation: 859.9 feet (262.1 meters)

Decorah, Iowa Temperature Chart Daily average maximum and minimum temperatures for Decorah, 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 Decorah, Iowa Precipitation Chart Precipitation chart for Decorah, 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 DECORAH, IA Daylight chart for DECORAH, IA. Latitude 43.3. 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 Decorah, Iowa

Imperial Units
Statistic Units Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum Temperature °F 27.3 32.7 45.6 61.3 71.9 80.7 84.1 82.3 75.1 62.5 45.5 30.3
Minimum Temperature °F 8.6 13.2 24.6 36.3 46.8 56.4 61.1 59.4 50.2 38.8 26.9 13.4
Heating Degree Days °F 1458 1177 927 493 211 39 6 16 141 453 864 1337
Cooling Degree Days °F 0 0 0 7 36 146 242 198 71 8 0 0
Precipitation in. 0.89 0.89 1.91 3.61 4.19 5.16 4.27 4.74 3.33 2.36 2.11 1.22

Metric Units
Statistic Units Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum Temperature °C -2.6 0.4 7.6 16.3 22.2 27.1 28.9 27.9 23.9 16.9 7.5 -0.9
Minimum Temperature °C -13.0 -10.4 -4.1 2.4 8.2 13.6 16.2 15.2 10.1 3.8 -2.8 -10.3
Heating Degree Days °C 810 654 515 274 117 22 3 9 78 252 480 743
Cooling Degree Days °C 0 0 0 4 20 81 134 110 39 4 0 0
Precipitation cm. 2.26 2.26 4.85 9.17 10.64 13.11 10.85 12.04 8.46 5.99 5.36 3.10
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