CLIMATE CHARTS

Alton, Missouri

Latitude: 36.6300 Longitude: -91.3045

Elevation: 810 feet (246.9 meters)

Alton, Missouri Temperature Chart Daily average maximum and minimum temperatures for Alton, Missouri 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 Alton, Missouri Precipitation Chart Precipitation chart for Alton, Missouri 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 ALTON, MO Daylight chart for ALTON, MO. Latitude 36.6. 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 Alton, Missouri

Imperial Units
Statistic Units Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum Temperature °F 44.7 50.0 59.4 69.6 76.9 85.2 89.9 89.4 81.5 70.9 58.8 46.8
Minimum Temperature °F 22.1 25.0 33.5 43.3 52.7 61.3 65.8 63.9 55.1 43.5 33.6 24.3
Heating Degree Days °F 980 770 579 284 97 8 0 2 49 266 566 913
Cooling Degree Days °F 0 0 4 28 91 255 398 363 148 25 2 0
Precipitation in. 2.72 3.09 3.96 4.34 4.79 3.02 3.79 2.68 3.98 3.95 4.82 3.97

Metric Units
Statistic Units Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum Temperature °C 7.1 10.0 15.2 20.9 24.9 29.6 32.2 31.9 27.5 21.6 14.9 8.2
Minimum Temperature °C -5.5 -3.9 0.8 6.3 11.5 16.3 18.8 17.7 12.8 6.4 0.9 -4.3
Heating Degree Days °C 544 428 322 158 54 4 0 1 27 148 314 507
Cooling Degree Days °C 0 0 2 16 51 142 221 202 82 14 1 0
Precipitation cm. 6.91 7.85 10.06 11.02 12.17 7.67 9.63 6.81 10.11 10.03 12.24 10.08
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