World Resorts USA Wilmington Weather

Wilmington sea water temperature

Current sea water temperature:
+53.1°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: 58.0°F

Sea water temperature for the last 10 days:

December 21 53.1°F December 16 54.0°F
December 20 52.9°F December 15 54.0°F
December 19 53.4°F December 14 54.5°F
December 18 52.7°F December 13 54.9°F
December 17 53.1°F December 12 55.0°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.

Best time for vacation in Wilmington

Sunniest months:
October 16 days
April 16 days
November 15 days
Warmest months:
July 87.5 °F
August 85.7 °F
June 84.4 °F
Warmest sea temp:
August 82.0 °F
July 81.8 °F
September 79.5 °F
Coldest months:
January 53.0 °F
December 57.0 °F
February 57.5 °F
Rainiest months:
August 5 days
July 4 days
June 4 days
Windiest months:
March 8.0 mph
April 7.8 mph
February 7.6 mph

Wilmington on a weather map

Wilmington
+43°F
S 9 mph
Feels like: +39°F
Precip.: 0%
Places in USA:
Name
°F
+30°F
+75°F
+75°F
+55°F
+57°F
+72°F
+77°F
+72°F
+25°F
+59°F
+57°F
+64°F
+63°F
+68°F
+28°F
24 Hours Forecast
Wilmington
Local time: 00:04
December 22, monday
0300
39°F
SW
9 mph
0600
36°F
SW
11 mph
0900
39°F
SW
9 mph
1200
48°F
SW
9 mph
1500
54°F
W
7 mph
1800
50°F
W
6 mph
2100
48°F
SW
5 mph
December 23, tuesday
0000
45°F
S
4 mph
Units of measurement: °C / °F