Current sea water temperature:
+40.1°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 14 | 40.1°F | January 9 | 39.9°F |
| January 13 | 39.7°F | January 8 | 40.3°F |
| 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 |
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: 04:12
January 14, wednesday
0600

41°F
NE
16 mph
16 mph
0900

41°F
NE
14 mph
14 mph
1200

46°F
NE
11 mph
11 mph
1500

50°F
N
11 mph
11 mph
1800

48°F
NE
13 mph
13 mph
2100

48°F
N
15 mph
15 mph
January 15, thursday
0000

46°F
NE
14 mph
14 mph
0300

41°F
E
16 mph
16 mph


























