Monthly Average Rainy days in Alton (IL)
The number of days each month with rain, snow and hail in Alton (Illinois), the United States of America.
- On average, May is the most rainy with 13 days of rain/snow.
- On average, January is the driest month with 7 rainy days.
- The average annual number of rainy days is 115.
Current rainfall in Alton (IL)
partly cloudy and no rain
partly cloudy and no rain
broken clouds and chance of slight rain