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What’s the weather at your travel destination? Plan for your trip by comparing weather trends at up to 3 locations. You can see how conditions like temperature, rain, and snow vary over time.
O'Fallon
Temp
Rain
Snow
Yearly weather statistic
O'Fallon
🥵
Hottest dayJuly 26th, 33.1°C (91.6°F)
🥶
Coldest dayJanuary 5th, -6.5°C (20.3°F)
💦
Wettest monthsApril, May
❄
Snowy monthsFebruary, January and December
☔
Annual rainfall1035mm (41")
⛄
Annual snowfall50mm (2")
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