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Herndon, Virginia, United States

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Weather Radar in Herndon, Virginia, United States

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FAQ

What are the average monthly temperatures in Herndon?

Average temperatures for Herndon:

Month	Min Temp	Max Temp
January	-2.4°C (27.6°F)	5.4°C (41.7°F)
February	-0.8°C (30.6°F)	8.1°C (46.5°F)
March	2.8°C (37.1°F)	12.8°C (55.1°F)
April	9.0°C (48.1°F)	20.0°C (68.0°F)
May	14.8°C (58.7°F)	25.0°C (77.0°F)
June	19.0°C (66.2°F)	28.9°C (84.0°F)
July	21.6°C (70.9°F)	31.5°C (88.6°F)
August	20.2°C (68.4°F)	29.9°C (85.9°F)
September	16.7°C (62.1°F)	26.7°C (80.0°F)
October	10.4°C (50.8°F)	19.7°C (67.5°F)
November	3.8°C (38.8°F)	13.2°C (55.8°F)
December	0.5°C (32.9°F)	7.7°C (45.8°F)

How much rain does Herndon get?

The average annual rainfall for Herndon is 949mm (37").

How much snow does Herndon get?

The average annual snowfall for Herndon is 81mm (3").