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O'Fallon
Average rainfall
ClimateForecastNovemberDecember >>

O'Fallon (MO) Precipitation: Average Monthly Rainfall and Snowfall

This graph shows the average amount of rainfall per month in O'Fallon (Missouri). The numbers are calculated over a 30-year period to provide a reliable average.

  • A lot of rain (rainy season) falls in the months: April, May, June, July and September.
  • On average, June is the wettest month with 119 mm of precipitation.
  • On average, January is the driest month with 44 mm of precipitation.
  • The average amount of annual precipitation is 1086 mm.

Current rainfall in O'Fallon (MO)

Wed   Nov 20
11°C | 3°C
W 29 km/h
almost clear and no rain

almost clear and no rain

hourly forecast
Thu   Nov 21
7°C | 0°C
NW 29 km/h
almost clear and no rain

almost clear and no rain

hourly forecast
Fri   Nov 22
8°C | 1°C
NW 18 km/h
broken clouds and no rain

broken clouds and no rain

hourly forecast
5-Day Forecast 10-Day Forecast

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