Measurements:
°C
°F
Cape May
66°F
SE 14 mph
Feels like: 66°F
Precip: 0%
World Resorts USA Cape May Weather

Cape May Sea Water Temperature

Current Sea Water Temperature:
+57.2°F
Maximum Sea Water Temperature in May: 67.4°F
Minimum Sea Water Temperature in May: 49.8°F
Average water temperature in May: 58.7°F

Sea Water Temperature for the Last 10 Days:

May 14 57.2°F May 09 57.2°F
May 13 56.6°F May 08 56.8°F
May 12 57.6°F May 07 56.4°F
May 11 56.6°F May 06 56.0°F
May 10 58.0°F May 05 55.0°F

When is the Warmest Sea for Cape May?

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

Average Water Temperature by Month, °F

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Cape May was 79.0°F. The maximum and minimum values were 75.6°F and 83.4°F respectively.

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Cape May was 78.5°F. The maximum and minimum values were 75.6°F and 82.2°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Cape May was 74.7°F. The maximum and minimum values were 73.0°F and 76.8°F respectively.

Best Time to Visit Cape May
The most sunny months:
November 17 days
October 16 days
June 14 days
The most warm months:
July 85.0 °F
August 82.5 °F
June 78.4 °F
Warmest sea temperature:
July 77.7 °F
August 77.3 °F
September 75.6 °F
The most cold months:
January 38.7 °F
February 41.1 °F
December 44.1 °F
The most rainy months:
July 3 days
March 2 days
October 2 days
The most windy months:
January 12 mph
March 12 mph
December 12 mph

Cape May on the Weather Map

USA Resorts:
NAME
Boston +56
Chicago +56
Hawaii +78
Honolulu +78
Houston +98
Las Vegas +102
Los Angeles +76
Maui +72
Miami +90
Miami Beach +92
New York +70
San Diego +72
San Francisco +72
Sarasota +96
Tampa +96
24 Hours Weather Forecast
Cape May
Local time: 14:00
14 may, thursday
1500 66°F
SE
14 mph
1800 66°F
SE
19 mph
2100 56°F
SE
17 mph
15 may, friday
0000 52°F
SE
20 mph
0300 52°F
SE
16 mph
0600 52°F
SE
19 mph
0900 54°F
SE
17 mph
1200 58°F
SE
16 mph