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Decatur, Illinois, United States

Macon County, Illinois, United States

Wyckles Corners, Illinois, United States

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Decatur Downtown Historic District, United States

Decatur Historic District, United States

Frank M Lindsay Field, United States

Weather Radar in Decatur, Illinois, United States

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FAQ

What are the average monthly temperatures in Decatur?

Average temperatures for Decatur:

Month	Min Temp	Max Temp
January	-6.2°C (20.8°F)	2.0°C (35.6°F)
February	-4.2°C (24.4°F)	4.8°C (40.7°F)
March	2.0°C (35.5°F)	12.0°C (53.6°F)
April	7.8°C (46.0°F)	18.9°C (65.9°F)
May	14.4°C (57.8°F)	24.7°C (76.4°F)
June	19.1°C (66.4°F)	28.6°C (83.4°F)
July	20.2°C (68.4°F)	29.6°C (85.3°F)
August	18.8°C (65.9°F)	28.8°C (83.8°F)
September	15.1°C (59.2°F)	26.3°C (79.4°F)
October	8.5°C (47.3°F)	18.8°C (65.8°F)
November	2.1°C (35.9°F)	11.6°C (52.8°F)
December	-2.7°C (27.2°F)	4.4°C (40.0°F)

How much rain does Decatur get?

The average annual rainfall for Decatur is 975mm (38").

How much snow does Decatur get?

The average annual snowfall for Decatur is 63mm (2").