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Jefferson County, Missouri, United States

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Weather Radar in Jefferson County, Missouri, United States

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FAQ

What are the average monthly temperatures in Jefferson County?

Average temperatures for Jefferson County:

Month	Min Temp	Max Temp
January	-3.6°C (25.5°F)	5.3°C (41.5°F)
February	-1.6°C (29.2°F)	8.1°C (46.6°F)
March	4.0°C (39.2°F)	14.4°C (58.0°F)
April	9.6°C (49.2°F)	20.5°C (69.0°F)
May	15.4°C (59.7°F)	25.5°C (77.8°F)
June	20.3°C (68.6°F)	29.9°C (85.8°F)
July	21.6°C (70.8°F)	31.3°C (88.4°F)
August	20.0°C (68.1°F)	30.4°C (86.7°F)
September	16.1°C (61.0°F)	27.2°C (81.0°F)
October	9.5°C (49.2°F)	20.2°C (68.3°F)
November	3.8°C (38.8°F)	13.5°C (56.4°F)
December	-1.0°C (30.2°F)	6.8°C (44.2°F)

How much rain does Jefferson County get?

The average annual rainfall for Jefferson County is 972mm (38").

How much snow does Jefferson County get?

The average annual snowfall for Jefferson County is 52mm (2").