Measurements:
°C
°F
Jersey City
66°F
SE 6 mph
Feels like: 66°F
Precip: 0%
World Resorts USA Jersey City Weather

Jersey City Sea Water Temperature

Current Sea Water Temperature:
+53.4°F
Maximum Sea Water Temperature in May: 66.4°F
Minimum Sea Water Temperature in May: 49.4°F
Average water temperature in May: 57.5°F

Sea Water Temperature for the Last 10 Days:

May 14 53.4°F May 09 55.4°F
May 13 53.4°F May 08 55.4°F
May 12 53.6°F May 07 56.0°F
May 11 55.4°F May 06 56.0°F
May 10 54.8°F May 05 54.4°F

When is the Warmest Sea for Jersey City?

According to our data for the last three years for Jersey City the highest average sea water temperature was in August, July and September.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Jersey City was 77.6°F. The maximum and minimum values were 74.4°F and 81.4°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Jersey City was 78.3°F. The maximum and minimum values were 75.4°F and 82.6°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Jersey City was 73.5°F. The maximum and minimum values were 71.6°F and 75.2°F respectively.

Best Time to Visit Jersey City
The most sunny months:
November 16 days
September 15 days
October 15 days
The most warm months:
July 88.9 °F
August 85.8 °F
June 81.3 °F
Warmest sea temperature:
August 77.6 °F
July 77.4 °F
September 74.2 °F
The most cold months:
January 35.8 °F
February 37.3 °F
December 40.8 °F
The most rainy months:
July 3 days
August 3 days
September 3 days
The most windy months:
March 9 mph
April 9 mph
January 9 mph

Jersey City on the Weather Map

USA Resorts:
NAME
Boston +62
Chicago +56
Hawaii +76
Honolulu +76
Houston +94
Las Vegas +88
Los Angeles +66
Maui +70
Miami +94
Miami Beach +90
New York +68
San Diego +66
San Francisco +62
Sarasota +94
Tampa +94
24 Hours Weather Forecast
Jersey City
Local time: 13:07
14 may, thursday
1500 70°F
SE
8 mph
1800 68°F
NE
8 mph
2100 58°F
SE
11 mph
15 may, friday
0000 54°F
SE
8 mph
0300 52°F
SE
9 mph
0600 52°F
SE
7 mph
0900 58°F
S
9 mph
1200 64°F
SE
7 mph