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O fallon
City Climate
O Fallon, Illinois information about weather conditions can be easily found at Fizber.com. O Fallon, Illinois is a good place to live in with its moderate climate. Average min temperature of O Fallon, Illinois in January is 27.8, average min temperature in July is 64.2. Average precipitation in January is 3.68, in July it is 2.64.
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Jan.
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June
July
Aug.
Sep.
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Avg.
Avg Max Temperature 45.5 41.9 68.8 68.6 81.8 88.1 88.1 96.4 87.1 76.7 59.5 44.8 70.6 Avg Min Temperature 27.8 20.9 42.7 42.3 58.9 63.6 64.2 68.7 59.0 49.3 35.8 28.3 46.8 Avg Avg Temperature 36.7 31.4 55.8 55.5 70.4 75.8 76.2 82.6 73.1 63.0 47.7 36.5 58.7 Extreme Max Temperature(lowest) 61 62 84 91 90 96 94 105 97 92 73 64 Extreme Min Temperature(lowest) 47 41 64 66 68 74 75 76 72 68 60 48 Extreme Avg Temperature(lowest) 52.5 50.5 74.0 76.0 76.5 82.0 84.0 88.5 81.0 80.0 64.0 50.5 Extreme Max Temperature(highest) 28 22 42 40 70 80 79 88 72 56 40 32 Extreme Min Temperature(highest) 4 2 18 18 39 51 55 55 44 28 20 10 Extreme Avg Temperature(highest) 16.0 15.5 30.0 33.0 54.5 68.0 68.0 72.0 59.0 46.0 33.0 24.5
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Avg.
Avg Precipitation 3.68 2.20 0.90 3.34 5.30 3.23 2.64 1.09 2.11 3.57 1.32 3.19 32.57 Extreme Precipitation (lowest) 1.78 1.13 0.30 0.79 1.45 1.20 0.82 0.55 1.62 1.18 0.53 0.60 Avg Snowfall 0.0 0.0 0.0 0.0 0.0 4.2 1.1 11.2 0.5 0.0 0.0 0.0 17.0 Extreme Snowfall (lowest) 0.0 0.0 0.0 0.0 0.0 3.0 1.0 8.0 0.5 0.0 0.0 0.0 Avg Snow Depth 0.0 0.0 0.0 0.0 0.0 0.3 0.0 0.6 0.0 0.0 0.0 0.0 0.1 Extreme Snow Depth (lowest) 0 0 0 0 0 3 1 8 0 0 0 0
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Avg.
Avg Heating Degree Days 0 0 14 159 513 875 939 913 570 290 89 0 4362 Extreme Heating Degree Days(lowest) 0 0 6 19 32 40 51 46 38 24 12 0 Extreme Heating Degree Days(highest) 0 0 0 0 1 14 0 8 2 0 0 0 Avg Cooling Degree Days 0 0 50 41 195 331 353 551 261 103 0 0 1885 Extreme Cooling Degree Days(lowest) 0 0 9 11 12 17 19 24 16 15 0 0 Extreme Cooling Degree Days(highest) 0 0 0 0 0 3 3 7 0 0 0 0 Avg Growing Degree Days 4 1 285 261 638 781 818 1016 697 416 83 1 5001 Extreme Growing Degree Days(lowest) 3 1 24 26 27 32 34 39 31 30 14 1 Extreme Growing Degree Days(highest) 0 0 0 0 5 18 18 22 9 0 0 0
The data is taken from www.noaa.gov reports.
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