Current sea water temperature:
+84.7°F
| Minimum sea water temperature in July: | 85.6°F |
| Maximum sea water temperature in July: | 78.6°F |
| Average sea water temperature in July: | 82.9°F |
| more information | |
14 days
forecast
forecast
| St. Augustine |
monthly
weather
weather
| St. Augustine |
Sea water temperature for the last 10 days:
| July 19 | 84.7°F | July 14 | 83.7°F |
| July 18 | 84.4°F | July 13 | 84.2°F |
| July 17 | 84.0°F | July 12 | 84.4°F |
| July 16 | 83.1°F | July 11 | 84.7°F |
| July 15 | 83.3°F | July 10 | 84.6°F |
Monthly sea water temperature, °F
When is the warmest sea in St. Augustine?
Based on the data about daily sea water temperature for the last three years the warmest sea in St. Augustine was noticed in August, July and September.
Monthly Sea Temperatures in St. Augustine, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 84.7°F. The highest and lowest sea temperatures during the month were 85.5°F and 83.7°F.
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 84.5°F. The highest and lowest sea temperatures during the month were 85.6°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 81.8°F. The highest and lowest sea temperatures during the month were 84.7°F and 78.8°F.
current
weather
weather
| St. Augustine |
weather in
July
July
| St. Augustine |
Best time for vacation in St. Augustine
St. Augustine on a weather map
Places in USA:
Name
°F
24 Hours Forecast
St. Augustine
Local time: 13:10
July 19, sunday
1500
91°F
NW
12 mph
12 mph
1800
88°F
NW
14 mph
14 mph
2100
84°F
N
11 mph
11 mph
July 20, monday
0000
81°F
N
7 mph
7 mph
0300
79°F
NE
6 mph
6 mph
0600
79°F
N
5 mph
5 mph
0900
82°F
N
5 mph
5 mph
1200
88°F
NW
8 mph
8 mph
