Average sea water temperature in August:
+87.5°F
| Minimum sea water temperature in August: | 90.3°F |
| Maximum sea water temperature in August: | 85.5°F |
Daily sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 87.8°F. The highest and lowest sea temperatures during the month were 89.1°F and 86.4°F.
sea water
temperature
temperature
| Galveston Island |
monthly
weather
weather
| Galveston Island |
current
weather
weather
| Galveston Island |
14 days
forecast
forecast
| Galveston Island |
Monthly sea water temperature in Galveston Island, °F
Which USA resorts have warmest sea in August?
| Place name | August 2025 | August 2024 |
|---|---|---|
| Sanibel Island | 88.8°F | 87.3°F |
| Everglades | 88.8°F | 87.0°F |
| Islamorada | 88.8°F | 87.3°F |
| Key West | 88.8°F | 87.8°F |
| Key Largo | 88.7°F | 87.3°F |
| Marco Island | 88.7°F | 87.1°F |
| Naples | 88.7°F | 87.0°F |
| St. Petersburg | 88.7°F | 86.9°F |
| Tampa | 88.6°F | 86.4°F |
| Sarasota | 88.6°F | 87.2°F |
| Siesta Key | 88.6°F | 87.3°F |
| Clearwater Beach | 88.5°F | 87.0°F |
| Miami | 88.1°F | 86.4°F |
| Miami Beach | 87.9°F | 86.5°F |
| Galveston | 87.9°F | 88.3°F |
| Galveston Island | 87.8°F | 88.5°F |
| Houston | 87.8°F | 88.0°F |
| New Orleans | 87.4°F | 88.1°F |
| Fort Lauderdale | 87.2°F | 85.8°F |
| Corpus Christi | 87.0°F | 87.9°F |
Best time for vacation in Galveston Island
Galveston Island on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Galveston Island
Local time: 15:04
December 29, monday
1800
54°F
S
22 mph
22 mph
2100
50°F
S
22 mph
22 mph
December 30, tuesday
0000
48°F
S
22 mph
22 mph
0300
46°F
S
21 mph
21 mph
0600
45°F
S
19 mph
19 mph
0900
45°F
S
17 mph
17 mph
1200
46°F
S
13 mph
13 mph
1500
50°F
S
7 mph
7 mph
