Oak Brook (IL) Precipitation: Average Monthly Rainfall and Snowfall
This graph shows the average amount of rainfall per month in Oak Brook (Illinois). The numbers are calculated over a 30-year period to provide a reliable average.
- A lot of rain (rainy season) falls in the months: April, May, June, July and August.
- On average, June is the wettest month with 125 mm of precipitation.
- On average, January is the driest month with 52 mm of precipitation.
- The average amount of annual precipitation is 1058 mm.
Current rainfall in Oak Brook (IL)
broken clouds and no rain
broken clouds and no rain
overcast and chance of slight rain