Measurements:
°C
°F
Amelia Island
92°F
W 11 mph
Feels like: 100°F
Precip: 17%
World Resorts USA Amelia Island Weather

Amelia Island Sea Water Temperature

Current Sea Water Temperature:
+88.6°F
Maximum Sea Water Temperature in September: 90.0°F
Minimum Sea Water Temperature in September: 80.2°F
Average water temperature in September: 85.9°F

Sea Water Temperature for the Last 10 Days:

September 15 88.6°F September 10 88.4°F
September 14 88.0°F September 09 88.2°F
September 13 87.4°F September 08 87.6°F
September 12 88.0°F September 07 87.8°F
September 11 88.0°F September 06 88.0°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: 2026 2025 2024

The average sea surface temperature in August 2026 for Amelia Island was 86.3°F. The maximum and minimum values were 84.0°F and 88.0°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Amelia Island was 88.8°F. The maximum and minimum values were 87.4°F and 90.2°F respectively.

Sea Water Temperature in September

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Amelia Island was 87.3°F. The maximum and minimum values were 84.8°F and 88.6°F respectively.

Best Time to Visit Amelia Island
The most sunny months:
April 16 days
October 15 days
March 14 days
The most warm months:
July 93.0 °F
August 91.8 °F
June 90.3 °F
Warmest sea temperature:
August 87.6 °F
July 87.1 °F
September 85.8 °F
The most cold months:
January 61.3 °F
December 65.0 °F
February 66.4 °F
The most rainy months:
September 5 days
August 4 days
July 4 days
The most windy months:
April 7 mph
March 7 mph
January 7 mph

Amelia Island on the Weather Map

USA Resorts:
NAME
Boston +64
Chicago +66
Hawaii +80
Las Vegas +80
Los Angeles +74
Maui +66
Miami +92
Myrtle Beach +88
New York +72
Panama City Beach +90
San Diego +72
San Francisco +60
Santa Monica +72
Sarasota +94
Washington +76
24 Hours Weather Forecast
Amelia Island
Local time: 11:15
15 sep, tuesday
1200 92°F
W
11 mph
1500 90°F
W
12 mph
1800 88°F
SW
12 mph
2100 84°F
W
12 mph
16 sep, wednesday
0000 84°F
W
13 mph
0300 84°F
W
14 mph
0600 84°F
SW
12 mph
0900 86°F
SW
14 mph