ClimateForecastMayJune >>

Average monthly snow and rainfall in Mattoon (IL)

The mean monthly precipitation over the year in Mattoon (Illinois), including rain, snow, hail.

  • A lot of rain (rainy season) falls in the months: April, May, June, July and December.
  • On average, April is the wettest month with 149 mm of precipitation.
  • On average, January is the driest month with 56 mm of precipitation.
  • The average amount of annual precipitation is 1129 mm.

Forecast for Mattoon (IL)

Tue   May 21
32°C | 19°C
S 29 km/h
4.4 mm
almost clear and no rain

almost clear and no rain

Wed   May 22
23°C | 16°C
W 22 km/h
partly cloudy and no rain

partly cloudy and no rain

Thu   May 23
27°C | 14°C
E 14 km/h
0.4 mm
partly cloudy and  chance of slight rain

partly cloudy and chance of slight rain

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