Current sea water temperature:
+52.7°F
| Minimum sea water temperature in December: | 66.4°F |
| Maximum sea water temperature in December: | 51.4°F |
| Average sea water temperature in December: | 58.1°F |
| more information | |
14 days
forecast
forecast
| Wilmington |
monthly
weather
weather
| Wilmington |
Sea water temperature for the last 10 days:
| December 18 | 52.7°F | December 13 | 54.9°F |
| December 17 | 53.1°F | December 12 | 55.0°F |
| December 16 | 54.0°F | December 11 | 55.8°F |
| December 15 | 54.0°F | December 10 | 56.7°F |
| December 14 | 54.5°F | December 9 | 58.5°F |
Monthly sea water temperature, °F
When is the warmest sea in Wilmington?
Based on the data about daily sea water temperature for the last three years the warmest sea in Wilmington was noticed in August, July and September.
Monthly Sea Temperatures in Wilmington, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 81.8°F. The highest and lowest sea temperatures during the month were 84.7°F and 80.6°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 80.4°F. The highest and lowest sea temperatures during the month were 85.1°F and 76.3°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 78.0°F. The highest and lowest sea temperatures during the month were 80.2°F and 75.2°F.
current
weather
weather
| Wilmington |
weather in
December
December
| Wilmington |
Best time for vacation in Wilmington
Wilmington on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Wilmington
Local time: 14:54
December 18, thursday
1500
72°F
NW
12 mph
12 mph
1800
64°F
N
12 mph
12 mph
2100
64°F
N
14 mph
14 mph
December 19, friday
0000
64°F
N
13 mph
13 mph
0300
64°F
N
21 mph
21 mph
0600
64°F
NE
19 mph
19 mph
0900
64°F
NE
14 mph
14 mph
1200
64°F
NE
16 mph
16 mph
