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Ottawa, Illinois, United States

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Weather Radar in Ottawa, Illinois, United States

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FAQ

What are the average monthly temperatures in Ottawa?

Average temperatures for Ottawa:

Month	Min Temp	Max Temp
January	-8.1°C (17.4°F)	-0.3°C (31.5°F)
February	-6.0°C (21.2°F)	2.4°C (36.3°F)
March	0.4°C (32.7°F)	10.4°C (50.7°F)
April	5.9°C (42.7°F)	17.2°C (63.0°F)
May	12.7°C (54.9°F)	23.7°C (74.6°F)
June	17.7°C (63.9°F)	27.5°C (81.5°F)
July	19.4°C (66.8°F)	28.9°C (83.9°F)
August	18.0°C (64.3°F)	28.0°C (82.4°F)
September	14.4°C (57.9°F)	25.3°C (77.6°F)
October	7.7°C (45.8°F)	17.6°C (63.7°F)
November	1.2°C (34.2°F)	10.0°C (50.1°F)
December	-4.5°C (24.0°F)	2.5°C (36.5°F)

How much rain does Ottawa get?

The average annual rainfall for Ottawa is 907mm (36").

How much snow does Ottawa get?

The average annual snowfall for Ottawa is 86mm (3").