Weather in Port Jefferson in the Summer
day
+79
evening
+75
Average daytime temperature in Port Jefferson in Summer is +79°F, while evening temperature falls to +75°F.
- Wind
- average wind speed 5 mph
- Pressure
- 759 inHg
Average Summer temperature graph in Port Jefferson, broken down by month and year, according to our weather archive.
Minimum and maximum
world's temperature today
world's temperature today
Russia
Mys Shmidta
Mys Shmidta
- day
- +30°F
- night
- +9°F
Sudan
Wad Madani
Wad Madani
- day
- +117°F
- night
- +91°F
Port Jefferson
The hottest months:
- July
- +82 °F
- August
- +81 °F
- June
- +75 °F
The coldest months:
- January
- +36 °F
- February
- +39 °F
- December
- +43 °F
Most precipitations:
- January
- 6 D
- October
- 4 D
- December
- 3 D
Most windy months mph:
- February
- 13.4 mph
- March
- 13.4 mph
- October
- 11.2 mph
Most sunny months days:
- July
- 24 D
- August
- 21 D
- November
- 19 D
Temperature units
°F°C
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