Measurements:
°C
°F
Amelia Island
88°F
NW 2 mph
Feels like: 100°F
Precip: 10%
World Resorts USA Amelia Island Weather

Amelia Island Sea Water Temperature

Current Sea Water Temperature:
+88.2°F
Maximum Sea Water Temperature in July: 90.4°F
Minimum Sea Water Temperature in July: 80.2°F
Average water temperature in July: 87.0°F

Sea Water Temperature for the Last 10 Days:

July 15 88.2°F July 10 89.6°F
July 14 88.6°F July 09 89.2°F
July 13 89.2°F July 08 89.0°F
July 12 89.4°F July 07 89.8°F
July 11 90.0°F July 06 90.2°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: 2026 2025 2024

The average sea surface temperature in July 2026 for Amelia Island was 89.2°F. The maximum and minimum values were 88.2°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 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 +96
Chicago +84
Hawaii +82
Houston +82
Las Vegas +118
Los Angeles +100
Maui +78
Miami +96
Myrtle Beach +90
New York +104
San Diego +94
San Francisco +82
Santa Monica +82
Sarasota +96
Tampa +98
24 Hours Weather Forecast
Amelia Island
Local time: 17:35
15 jul, wednesday
1800 88°F
NW
2 mph
2100 82°F
N
2 mph
16 jul, thursday
0000 78°F
E
4 mph
0300 84°F
E
6 mph
0600 82°F
E
6 mph
0900 86°F
E
7 mph
1200 94°F
SE
3 mph
1500 90°F
W
7 mph