Weather Averages Ashton, MO

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Weather Averages for
Ashton, MO


Latitude: 40°43'N, Longitude: 91°58'W, Elevation: 625.0 ft, Distance: 14.66 mi

  Unit Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average temperature
over 30 years
°F 51 22 28 40 52 62 71 76 73 66 54 41 27
Average high temperature
over 30 years
°F 62 32 38 51 64 75 84 88 86 78 67 51 36
Average low temperature
over 30 years
°F 40 12 17 29 40 50 59 64 61 53 42 31 18
Highest recorded temperature
over 104 years
°F 114 69 78 89 91 102 107 114 114 102 95 82 69
Lowest recorded temperature
over 104 years
°F -36 -36 -29 -14 6 24 36 43 36 23 1 -5 -29
Average number of days above 90°F
over 30 years
days 35 - - - 0.1 1.1 6.4 13 11 3.8 0.2 - -
Average precipitation
over 30 years
in 37.9 1.3 1.1 2.7 3.6 4.1 4.0 5.0 3.8 4.6 3.2 2.4 2.0
Average number of days below 32°F
over 30 years
days 132 29 25 20 7.2 0.5 - - - 0.5 5.7 18 27
Average number of days below 0°F
over 30 years
days 12 5.7 3.5 0.3 - - - - - - - 0.1 2.9
Average snowfall
over 30 years
in 25.6 7.1 6.1 3.6 1.1 - - - - - 0.2 1.8 6.1
Most rain reported in a day
over 104 years
in 11.1 1.9 1.4 3.0 4.2 5.7 11.1 5.9 4.1 7.2 3.5 2.8 2.8
Most rain reported in a month
over 104 years
in 62.9 5.3 3.8 6.8 12.4 13.0 14.9 13.4 12.6 13.4 10.7 7.1 4.5
Least rain reported in a month
over 104 years
in 20.2 - - 0.2 0.5 1.0 0.1 - 0.2 0.2 - - -
Heating degree days
over 30 years
days 5954 1306 1045 775 384 138 15 2 7 85 333 705 1159
Cooling degree days
over 30 years
days 1077 - - 2 15 73 218 350 281 117 20 1 -
Most snow reported in a month
over 104 years
in 47.3 26.0 18.0 19.5 8.0 1.0 - - - - 5.5 11.0 19.0