Weather Averages Arnold, MO

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Weather Averages for
Arnold, MO


Latitude: 38°19'N, Longitude: 90°9'W, Elevation: 650.0 ft, Distance: 15.59 mi

  Unit Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average temperature
over 30 years		 °F 55 28 33 44 55 65 73 78 75 68 57 45 33
Average high temperature
over 30 years		 °F 65 38 43 54 66 75 84 88 87 80 69 55 42
Average low temperature
over 30 years		 °F 44 19 23 33 44 54 62 66 64 57 46 35 24
Highest recorded temperature
over 49 years		 °F 107 75 82 87 93 95 102 105 107 102 93 89 75
Lowest recorded temperature
over 49 years		 °F -18 -16 -11 - 21 30 42 46 44 34 21 3 -18
Average number of days above 90°F
over 30 years		 days 30 - - - 0.2 1.1 6 11 8.8 2.9 0.3 - -
Average precipitation
over 30 years		 in 40.3 2.0 2.4 3.7 3.6 4.1 3.8 4.0 3.0 3.6 3.0 3.8 3.4
Average number of days below 32°F
over 30 years		 days 72 19 15 10 1.9 0.1 - - - - 1.8 8.4 17
Average number of days below 0°F
over 30 years		 days 2.4 1.3 0.5 - - - - - - - - - 0.6
Average snowfall
over 30 years		 in 15.9 4.7 3.9 2.6 0.6 - - - - - - 1.1 3.3
Most rain reported in a day
over 86 years		 in 7.0 3.4 3.0 3.2 6.8 3.7 5.4 5.3 7.0 5.1 6.2 6.0 3.8
Most rain reported in a month
over 86 years		 in 52.7 9.7 5.3 11.2 12.8 13.3 9.7 9.8 12.4 9.5 11.8 13.6 9.8
Least rain reported in a month
over 86 years		 in 20.0 0.2 0.1 0.5 0.8 0.2 0.2 0.4 0.2 - 0.3 0.4 0.1
Heating degree days
over 30 years		 days 4754 1092 864 608 284 90 6 1 2 46 252 560 949
Cooling degree days
over 30 years		 days 1420 - - 5 34 109 286 411 351 181 40 3 -
Most snow reported in a month
over 86 years		 in 38.1 18.9 18.5 23.1 9.0 - - - - - - 12.0 17.9
Check weather averages for nearby locations (some locations might offer more data):
Latitude: 38°37'N, Longitude: 90°12'W, Elevation: 466.0 ft, Distance: 16.75 mi
Latitude: 38°45'N, Longitude: 90°22'W, Elevation: 535.0 ft, Distance: 22.14 mi
Latitude: 38°46'N, Longitude: 90°30'W, Elevation: 467.0 ft, Distance: 23.86 mi
Latitude: 38°33'N, Longitude: 89°51'W, Elevation: 443.0 ft, Distance: 30.79 mi
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