World Resorts USA Cape May Weather

Cape May sea water temperature

Current sea water temperature:
+40.3°F
Minimum sea water temperature in January: 46.0°F
Maximum sea water temperature in January: 34.5°F
Average sea water temperature in January: 41.4°F

Sea water temperature for the last 10 days:

January 3 40.3°F December 29 42.4°F
January 2 39.9°F December 28 42.3°F
January 1 39.9°F December 27 42.6°F
December 31 38.7°F December 26 42.6°F
December 30 41.4°F December 25 42.8°F

When is the warmest sea in Cape May?

Based on the data about daily sea water temperature for the last three years the warmest sea in Cape May was noticed in July, August and September.

Monthly Sea Temperatures in Cape May, °F

Sea water temperature in July, °F

Show year:
2025
2024
2023

The average sea water temperature in July of 2025 was 76.1°F. The highest and lowest sea temperatures during the month were 80.1°F and 73.0°F.

Sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 75.7°F. The highest and lowest sea temperatures during the month were 79.0°F and 73.0°F.

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 72.2°F. The highest and lowest sea temperatures during the month were 74.1°F and 70.7°F.

Best time for vacation in Cape May

Sunniest months:
November 17 days
October 16 days
June 14 days
Warmest months:
July 81.5 °F
August 79.3 °F
June 75.6 °F
Warmest sea temp:
July 74.9 °F
August 74.6 °F
September 73.1 °F
Coldest months:
January 40.2 °F
February 42.7 °F
December 44.7 °F
Rainiest months:
March 3 days
July 3 days
April 3 days
Windiest months:
March 12.1 mph
January 12.0 mph
December 11.9 mph

Cape May on a weather map

Cape May
+27°F
SE 11 mph
Feels like: +19°F
Precip.: 0%
Places in USA:
Name
°F
+28°F
+72°F
+72°F
+45°F
+59°F
+54°F
+61°F
+66°F
+21°F
+61°F
+55°F
+66°F
+63°F
+64°F
+19°F
24 Hours Forecast
Cape May
Local time: 08:12
January 03, saturday
0900
27°F
SE
11 mph
1200
32°F
SE
9 mph
1500
36°F
SE
7 mph
1800
32°F
SE
5 mph
2100
32°F
SW
6 mph
January 04, sunday
0000
32°F
SW
4 mph
0300
32°F
S
6 mph
0600
30°F
S
12 mph
Units of measurement: °C / °F