Port Jefferson Weather in October

What's the weather like in Port Jefferson (New York) in October 2024?

The climate in Port Jefferson during October can be summarized as mild and a little damp.

October is in the fall / autumn in Port Jefferson and is typically the 6th warmest month of the year. Daytime maximum temperatures average around 18°C (64°F), whilst at night 9°C (47°F) is normal.

Port Jefferson weather averages (imperial / metric)
Daytime temperature 18°C 64.3°F
Nightly temperature 8.5°C 47.2°F
Average temperature 13.2°C 55.8°F
Daily sunshine 7.4 hrs
Avg rainfall 90 mm 3.5 ins
Rainy days 7 days
Sea temperature 16.8°C 62.3°F
Humidity 72%
Windspeed 17.3kph 11 mph

On average October is the 5th driest month of the year in Port Jefferson with around 90mm 3.5 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.

On the flip side this corresponds to an average of 7.4 hours of sunshine per day.

October temperatures in Port Jefferson

Port Jefferson average temperature in October

October rainfall

Port Jefferson average rain in October

October hourly sunshine

Port Jefferson average rain in October

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Port Jefferson in October 2024.