Northbrook (IL) Precipitation: Average Monthly Rainfall and Snowfall
This graph shows the average amount of rainfall per month in Northbrook (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: May, June, July and August.
- On average, August is the wettest month with 117 mm of precipitation.
- On average, January is the driest month with 50 mm of precipitation.
- The average amount of annual precipitation is 1048 mm.
Current rainfall in Northbrook (IL)
partly cloudy and no rain
overcast and rain
overcast and heavy rain