Average monthly snow and rainfall in Crystal Lake (IL)
The mean monthly precipitation over the year in Crystal Lake (Illinois), including rain, snow, hail.
- A lot of rain (rainy season) falls in the months: May, June, July and August.
- On average, June is the wettest month with 131 mm of precipitation.
- On average, January is the driest month with 41 mm of precipitation.
- The average amount of annual precipitation is 1004 mm.
Forecast for Crystal Lake (IL)
broken clouds and thunder
partly cloudy and no rain
overcast and rain