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Port Jefferson, New York, United States

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Weather Radar in Port Jefferson, New York, United States

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FAQ

What are the average monthly temperatures in Port Jefferson?

Average temperatures for Port Jefferson:

Month	Min Temp	Max Temp
January	-1.6°C (29.1°F)	3.4°C (38.2°F)
February	-1.4°C (29.5°F)	4.2°C (39.6°F)
March	1.8°C (35.3°F)	7.0°C (44.7°F)
April	7.1°C (44.8°F)	12.4°C (54.3°F)
May	12.8°C (55.0°F)	18.0°C (64.3°F)
June	17.9°C (64.2°F)	22.7°C (72.9°F)
July	22.1°C (71.8°F)	26.5°C (79.8°F)
August	21.4°C (70.6°F)	25.8°C (78.4°F)
September	18.3°C (64.9°F)	22.7°C (72.9°F)
October	12.7°C (54.8°F)	17.3°C (63.1°F)
November	6.9°C (44.4°F)	11.7°C (53.1°F)
December	2.2°C (36.0°F)	6.7°C (44.1°F)

How much rain does Port Jefferson get?

The average annual rainfall for Port Jefferson is 1070mm (42").

How much snow does Port Jefferson get?

The average annual snowfall for Port Jefferson is 114mm (4").