Current sea water temperature:
+39.7°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: | 41.3°F |
| more information | |
14 days
forecast
forecast
| Cape May |
monthly
weather
weather
| Cape May |
Sea water temperature for the last 10 days:
| January 12 | 39.7°F | January 7 | 38.8°F |
| January 11 | 39.9°F | January 6 | 39.6°F |
| January 10 | 40.6°F | January 5 | 40.3°F |
| January 9 | 39.9°F | January 4 | 39.9°F |
| January 8 | 40.3°F | January 3 | 40.3°F |
Monthly sea water temperature, °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.
current
weather
weather
| Cape May |
weather in
January
January
| Cape May |
Best time for vacation in Cape May
Cape May on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Cape May
Local time: 17:53
January 12, monday
1800

43°F
NE
12 mph
12 mph
2100

39°F
NE
16 mph
16 mph
January 13, tuesday
0000

37°F
NE
14 mph
14 mph
0300

37°F
E
12 mph
12 mph
0600

37°F
E
9 mph
9 mph
0900

39°F
NE
9 mph
9 mph
1200

45°F
NE
6 mph
6 mph
1500

46°F
N
10 mph
10 mph




























