Measurements:
°C
°F
Amelia Island
84°F
SE 6 mph
Feels like: 88°F
Precip: 0%
World Resorts USA Amelia Island Weather

Amelia Island Sea Water Temperature

Current Sea Water Temperature:
+77.6°F
Maximum Sea Water Temperature in May: 85.2°F
Minimum Sea Water Temperature in May: 73.2°F
Average water temperature in May: 78.2°F

Sea Water Temperature for the Last 10 Days:

May 14 77.6°F May 09 74.8°F
May 13 76.4°F May 08 75.6°F
May 12 77.2°F May 07 75.0°F
May 11 76.4°F May 06 74.0°F
May 10 75.8°F May 05 74.2°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:
April 16 days
October 15 days
March 14 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 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 +62
Chicago +56
Hawaii +76
Honolulu +76
Houston +94
Las Vegas +88
Los Angeles +66
Maui +70
Miami +94
Miami Beach +90
New York +68
San Diego +66
San Francisco +62
Sarasota +94
Tampa +94
24 Hours Weather Forecast
Amelia Island
Local time: 13:07
14 may, thursday
1500 88°F
SE
7 mph
1800 86°F
SE
7 mph
2100 76°F
SE
2 mph
15 may, friday
0000 70°F
SE
5 mph
0300 66°F
SE
6 mph
0600 64°F
S
7 mph
0900 74°F
S
5 mph
1200 80°F
SW
6 mph