Average monthly snow and rainfall in Prospect Heights (IL)
The mean monthly precipitation over the year in Prospect Heights (Illinois), including rain, snow, hail.
- A lot of rain (rainy season) falls in the months: April, May, June, July and August.
- On average, June is the wettest month with 121 mm of precipitation.
- On average, January is the driest month with 46 mm of precipitation.
- The average amount of annual precipitation is 1030 mm.
Forecast for Prospect Heights (IL)
broken clouds and thunder
almost clear and no rain
overcast and rain