Port Jefferson Weather in March

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

The climate in Port Jefferson during March can be summarized as cool and damp.

March is in the spring in Port Jefferson and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a cold 9°C (48°F), whilst at night -1°C (31°F) is normal.

Port Jefferson weather averages (imperial / metric)
Daytime temperature 8.9°C 47.9°F
Nightly temperature -0.5°C 31.2°F
Average temperature 4.2°C 39.6°F
Daily sunshine 7.8 hrs
Avg rainfall 107 mm 4.2 ins
Rainy days 11 days
Sea temperature 4.8°C 40.6°F
Humidity 65%
Windspeed 20.9kph 13 mph

On average March is the 2nd wettest month of the year in Port Jefferson with around 107mm 4.2 inches of rain making it a damp time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.

On the flip side this corresponds to an average of 7.8 hours of sunshine per day.

March temperatures in Port Jefferson

Port Jefferson average temperature in March

March rainfall

Port Jefferson average rain in March

March hourly sunshine

Port Jefferson average rain in March

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 March 2024.