Average monthly rainy days in Ottawa (IL)

The number of days each month with rain, snow and hail in Ottawa (Illinois), the United States of America.

On average, May is the most rainy with 14 days of rain/snow.
On average, November is the driest month with 8 rainy days.
The average annual number of rainy days is 129.

Weather Forecasts for Ottawa (IL)

Sat Apr 27

25°C | 16°C

32 km/h

16 mm

partly cloudy and thunder

hourly forecast

Sun Apr 28

25°C | 17°C

25 km/h

8.7 mm

broken clouds and thunder

hourly forecast

Mon Apr 29

21°C | 13°C

25 km/h

2.8 mm

broken clouds and slight rain

hourly forecast

5-Day Forecast 10-Day Forecast

Interested in more climate information?

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