World Resorts USA Wilmington Island Weather

Wilmington Island sea water temperature

Current sea water temperature:
+55.0°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: 58.1°F

Sea water temperature for the last 10 days:

December 26 55.0°F December 21 52.3°F
December 25 55.0°F December 20 53.1°F
December 24 53.4°F December 19 52.7°F
December 23 53.8°F December 18 51.4°F
December 22 52.2°F December 17 52.2°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
+55°F
E 7 mph
Feels like: +54°F
Precip.: 0%
Places in USA:
Name
°F
+32°F
+72°F
+72°F
+46°F
+59°F
+61°F
+68°F
+64°F
+21°F
+55°F
+50°F
+57°F
+57°F
+68°F
+43°F
24 Hours Forecast
Wilmington Island
Local time: 06:46
December 26, friday
0900
55°F
E
6 mph
1200
63°F
E
6 mph
1500
66°F
N
4 mph
1800
63°F
N
6 mph
2100
59°F
NE
8 mph
December 27, saturday
0000
57°F
E
11 mph
0300
55°F
E
10 mph
0600
55°F
E
10 mph
Units of measurement: °C / °F