Measurements:
°C
°F
Jersey City
10°F
E 10 mph
Feels like: -2°F
Precip: 0%
World Resorts USA Jersey City Weather

Jersey City Sea Water Temperature

Current Sea Water Temperature:
+33.2°F
Maximum Sea Water Temperature in January: 46.0°F
Minimum Sea Water Temperature in January: 32.0°F
Average water temperature in January: 39.8°F

Sea Water Temperature for the Last 10 Days:

January 29 33.2°F January 24 36.6°F
January 28 32.0°F January 23 37.2°F
January 27 35.8°F January 22 36.4°F
January 26 36.2°F January 21 38.4°F
January 25 35.8°F January 20 38.8°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 36.1 °F
February 38.0 °F
December 40.8 °F
The most rainy months:
July 3 days
August 3 days
September 3 days
The most windy months:
April 10 mph
March 10 mph
January 9 mph

Jersey City on the Weather Map

USA Resorts:
NAME
Chicago 0
Hawaii +74
Honolulu +74
Houston +38
Las Vegas +48
Los Angeles +56
Maui +68
Miami +64
Miami Beach +70
New York +12
San Diego +60
San Francisco +50
Sarasota +58
Tampa +58
Washington +12
24 Hours Weather Forecast
Jersey City
Local time: 10:55
29 jan, thursday
1200 10°F
E
10 mph
1500 16°F
E
9 mph
1800 16°F
E
9 mph
2100 14°F
SE
8 mph
30 jan, friday
0000 10°F
SE
6 mph
0300 8°F
E
9 mph
0600 6°F
E
7 mph
0900 10°F
SE
11 mph