Monthly Average Rainy days in Mattoon (IL)
The number of days each month with rain, snow and hail in Mattoon (Illinois), the United States of America.
- On average, May is the most rainy with 13 days of rain/snow.
- On average, August is the driest month with 8 rainy days.
- The average annual number of rainy days is 121.
Current rainfall in Mattoon (IL)
almost clear and no rain
overcast and slight rain
broken clouds and rain