Measurements:
°C
°F
Amelia Island
92°F
NW 12 mph
Feels like: 106°F
Precip: 5%
World Resorts USA Amelia Island Weather

Amelia Island Sea Water Temperature

Current Sea Water Temperature:
+85.8°F
Maximum Sea Water Temperature in August: 90.4°F
Minimum Sea Water Temperature in August: 84.0°F
Average water temperature in August: 87.8°F

Sea Water Temperature for the Last 10 Days:

August 05 85.8°F July 31 87.8°F
August 04 86.4°F July 30 88.4°F
August 03 86.8°F July 29 89.4°F
August 02 87.8°F July 28 87.8°F
August 01 87.6°F July 27 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: 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: 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: 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:
April 16 days
October 15 days
March 14 days
The most warm months:
July 93.0 °F
August 91.5 °F
June 90.3 °F
Warmest sea temperature:
August 87.8 °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:
August 5 days
September 5 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 +94
Chicago +82
Hawaii +82
Houston +102
Las Vegas +124
Los Angeles +92
Maui +78
Miami +92
Myrtle Beach +84
New York +84
San Diego +80
San Francisco +62
Santa Monica +80
Sarasota +92
Washington +88
24 Hours Weather Forecast
Amelia Island
Local time: 14:24
05 aug, wednesday
1500 92°F
NW
12 mph
1800 90°F
NW
12 mph
2100 84°F
NW
7 mph
06 aug, thursday
0000 82°F
N
7 mph
0300 82°F
N
6 mph
0600 82°F
NE
3 mph
0900 84°F
NW
1 mph
1200 88°F
W
6 mph