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Monticello, Illinois, United States

Piatt County, Illinois, United States

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Weather Radar in Monticello, Illinois, United States

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FAQ

What are the average monthly temperatures in Monticello?

Average temperatures for Monticello:

Month	Min Temp	Max Temp
January	-6.5°C (20.3°F)	1.7°C (35.0°F)
February	-4.5°C (23.9°F)	4.5°C (40.2°F)
March	1.6°C (34.9°F)	11.7°C (53.1°F)
April	7.5°C (45.5°F)	18.7°C (65.6°F)
May	14.1°C (57.3°F)	24.6°C (76.2°F)
June	18.8°C (65.8°F)	28.3°C (82.9°F)
July	20.0°C (67.9°F)	29.3°C (84.8°F)
August	18.6°C (65.4°F)	28.7°C (83.6°F)
September	15.0°C (59.0°F)	26.2°C (79.2°F)
October	8.4°C (47.1°F)	18.7°C (65.6°F)
November	2.0°C (35.5°F)	11.4°C (52.4°F)
December	-2.9°C (26.7°F)	4.1°C (39.4°F)

How much rain does Monticello get?

The average annual rainfall for Monticello is 926mm (36").

How much snow does Monticello get?

The average annual snowfall for Monticello is 69mm (3").