CLIMATE CHARTS

Marshalltown, Iowa

Latitude: 42.0647 Longitude: -92.9244

Elevation: 870.1 feet (265.2 meters)

Marshalltown, Iowa Temperature Chart Daily average maximum and minimum temperatures for Marshalltown, 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 Marshalltown, Iowa Precipitation Chart Precipitation chart for Marshalltown, 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 MARSHALLTOWN, IA Daylight chart for MARSHALLTOWN, IA. Latitude 42.1. 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 Marshalltown, Iowa

Imperial Units
Statistic Units Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum Temperature °F 28.0 32.9 45.7 60.0 70.9 80.3 83.9 81.9 75.0 62.2 46.4 31.6
Minimum Temperature °F 8.9 13.2 25.1 36.4 48.4 58.6 62.7 60.1 49.7 37.7 26.0 13.5
Heating Degree Days °F 1443 1175 918 510 205 33 5 18 148 474 864 1316
Cooling Degree Days °F 0 0 0 6 40 166 262 204 69 8 0 0
Precipitation in. 0.86 1.01 2.28 3.63 4.73 5.57 4.99 4.53 3.70 2.65 2.16 1.24

Metric Units
Statistic Units Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum Temperature °C -2.2 0.5 7.6 15.6 21.6 26.8 28.8 27.7 23.9 16.8 8.0 -0.2
Minimum Temperature °C -12.8 -10.4 -3.8 2.4 9.1 14.8 17.1 15.6 9.8 3.2 -3.3 -10.3
Heating Degree Days °C 802 653 510 283 114 18 3 10 82 263 480 731
Cooling Degree Days °C 0 0 0 3 22 92 146 113 38 4 0 0
Precipitation cm. 2.18 2.57 5.79 9.22 12.01 14.15 12.67 11.51 9.40 6.73 5.49 3.15
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