Current sea water temperature:
+83.1°F
| Minimum sea water temperature in June: | 84.9°F |
| Maximum sea water temperature in June: | 75.0°F |
| Average sea water temperature in June: | 80.5°F |
| more information | |
14 days
forecast
forecast
| Jacksonville |
monthly
weather
weather
| Jacksonville |
Sea water temperature for the last 10 days:
| June 25 | 83.1°F | June 20 | 82.2°F |
| June 24 | 83.1°F | June 19 | 82.8°F |
| June 23 | 83.7°F | June 18 | 81.9°F |
| June 22 | 82.4°F | June 17 | 81.9°F |
| June 21 | 82.4°F | June 16 | 81.9°F |
Monthly sea water temperature, °F
When is the warmest sea in Jacksonville?
Based on the data about daily sea water temperature for the last three years the warmest sea in Jacksonville was noticed in August, September and July.
Monthly Sea Temperatures in Jacksonville, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 84.9°F. The highest and lowest sea temperatures during the month were 86.2°F and 83.1°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 81.1°F. The highest and lowest sea temperatures during the month were 84.7°F and 78.1°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 80.4°F. The highest and lowest sea temperatures during the month were 84.7°F and 76.8°F.
current
weather
weather
| Jacksonville |
weather in
June
June
| Jacksonville |
Best time for vacation in Jacksonville
Jacksonville on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Jacksonville
Local time: 03:08
June 26, friday
0600

75°F
N
4 mph
4 mph
0900

82°F
NE
6 mph
6 mph
1200

91°F
NE
6 mph
6 mph
1500

93°F
N
6 mph
6 mph
1800

86°F
N
6 mph
6 mph
2100

81°F
NW
6 mph
6 mph
June 27, saturday
0000

79°F
N
4 mph
4 mph
0300

77°F
E
4 mph
4 mph



























