Measurements:
°C
°F
Amelia Island
54°F
SW 6 mph
Feels like: 50°F
Precip: 0%
World Resorts USA Amelia Island Weather

Amelia Island Sea Water Temperature

Current Sea Water Temperature:
+54.4°F
Maximum Sea Water Temperature in January: 67.8°F
Minimum Sea Water Temperature in January: 47.6°F
Average water temperature in January: 59.0°F

Sea Water Temperature for the Last 10 Days:

January 29 54.4°F January 24 57.4°F
January 28 56.0°F January 23 57.8°F
January 27 56.4°F January 22 57.2°F
January 26 57.4°F January 21 57.6°F
January 25 57.6°F January 20 57.8°F

When is the Warmest Sea for Amelia Island?

According to our data for the last three years for Amelia Island the highest average sea water temperature was in August, July and September.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Amelia Island was 89.0°F. The maximum and minimum values were 86.8°F and 90.4°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Amelia Island was 84.7°F. The maximum and minimum values were 80.2°F and 88.8°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Amelia Island was 84.4°F. The maximum and minimum values were 81.4°F and 88.0°F respectively.

Best Time to Visit Amelia Island
The most sunny months:
October 15 days
March 15 days
April 15 days
The most warm months:
July 92.6 °F
August 91.5 °F
June 90.3 °F
Warmest sea temperature:
August 87.8 °F
July 86.8 °F
September 85.8 °F
The most cold months:
January 61.3 °F
December 65.0 °F
February 67.0 °F
The most rainy months:
August 5 days
September 5 days
July 4 days
The most windy months:
January 7 mph
December 7 mph
April 7 mph

Amelia Island on the Weather Map

USA Resorts:
NAME
Chicago 0
Hawaii +74
Honolulu +74
Houston +38
Las Vegas +48
Los Angeles +56
Maui +68
Miami +64
Miami Beach +70
New York +12
San Diego +60
San Francisco +50
Sarasota +58
Tampa +58
Washington +12
24 Hours Weather Forecast
Amelia Island
Local time: 10:54
29 jan, thursday
1200 54°F
SW
6 mph
1500 56°F
W
7 mph
1800 54°F
W
6 mph
2100 48°F
W
6 mph
30 jan, friday
0000 48°F
W
5 mph
0300 50°F
NW
2 mph
0600 50°F
N
2 mph
0900 50°F
E
5 mph