World Resorts USA Wilmington Island Weather

Wilmington Island sea water temperature

Current sea water temperature:
+53.8°F
Minimum sea water temperature in December: 66.0°F
Maximum sea water temperature in December: 47.3°F
Average sea water temperature in December: 58.4°F

Sea water temperature for the last 10 days:

December 16 53.8°F December 11 56.3°F
December 15 54.7°F December 10 57.6°F
December 14 52.3°F December 9 60.3°F
December 13 54.7°F December 8 60.1°F
December 12 55.9°F December 7 59.9°F

When is the warmest sea in Wilmington Island?

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

Monthly Sea Temperatures in Wilmington Island, °F

Sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 84.3°F. The highest and lowest sea temperatures during the month were 87.6°F and 81.1°F.

Sea water temperature in July, °F

Show year:
2025
2024
2023

The average sea water temperature in July of 2025 was 85.2°F. The highest and lowest sea temperatures during the month were 87.6°F and 82.9°F.

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 79.8°F. The highest and lowest sea temperatures during the month were 81.3°F and 77.9°F.

Best time for vacation in Wilmington Island

Sunniest months:
October 16 days
November 15 days
April 15 days
Warmest months:
July 87.4 °F
August 85.7 °F
June 84.8 °F
Warmest sea temp:
August 84.7 °F
July 84.7 °F
September 81.4 °F
Coldest months:
January 56.5 °F
December 59.4 °F
February 60.4 °F
Rainiest months:
August 6 days
July 4 days
February 3 days
Windiest months:
December 8.0 mph
January 7.9 mph
February 7.8 mph

Wilmington Island on a weather map

Wilmington Island
+52°F
NW 2 mph
Feels like: +52°F
Precip.: 0%
Places in USA:
Name
°F
+48°F
+77°F
+77°F
+70°F
+70°F
+73°F
+77°F
+72°F
+37°F
+66°F
+52°F
+73°F
+75°F
+63°F
+36°F
24 Hours Forecast
Wilmington Island
Local time: 15:23
December 16, tuesday
1800
54°F
NW
5 mph
2100
54°F
NW
5 mph
December 17, wednesday
0000
55°F
W
3 mph
0300
54°F
SW
4 mph
0600
52°F
S
6 mph
0900
52°F
S
4 mph
1200
54°F
S
3 mph
1500
55°F
S
2 mph
Units of measurement: °C / °F