Average sea water temperature in May:
+78.7°F
| Minimum sea water temperature in May: | 84.0°F |
| Maximum sea water temperature in May: | 71.4°F |
Daily sea water temperature in May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 78.4°F. The highest and lowest sea temperatures during the month were 82.2°F and 75.4°F.
sea water
temperature
temperature
| Galveston |
monthly
weather
weather
| Galveston |
current
weather
weather
| Galveston |
14 days
forecast
forecast
| Galveston |
Monthly sea water temperature in Galveston, °F
Which USA resorts have warmest sea in May?
| Place name | May 2026 | May 2025 |
|---|---|---|
| Everglades | 84.6°F | 84.5°F |
| Key West | 84.3°F | 83.5°F |
| Key Largo | 84.0°F | 83.5°F |
| Miami | 83.3°F | 82.6°F |
| Cape Coral | 83.3°F | 83.4°F |
| Marco Island | 83.2°F | 83.5°F |
| Hialeah | 82.9°F | 82.3°F |
| Naples | 82.9°F | 83.5°F |
| Miami Beach | 82.7°F | 82.4°F |
| St. Petersburg | 82.0°F | 82.6°F |
| Tampa | 81.9°F | 82.7°F |
| West Palm Beach | 81.7°F | 81.1°F |
| Fort Lauderdale | 81.7°F | 81.1°F |
| Clearwater Beach | 81.5°F | 82.6°F |
| Sarasota | 81.5°F | 82.7°F |
| Siesta Key | 81.3°F | 82.5°F |
| Cocoa Beach | 80.4°F | 79.4°F |
| Corpus Christi | 79.5°F | 80.9°F |
| Galveston | 78.4°F | 79.6°F |
| Orlando | 78.4°F | 77.2°F |
Best time for vacation in Galveston
Galveston on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Galveston
Local time: 21:31
June 06, saturday
0000
77°F
NW
13 mph
13 mph
0300
77°F
N
13 mph
13 mph
0600
79°F
N
13 mph
13 mph
0900
81°F
N
14 mph
14 mph
1200
81°F
N
12 mph
12 mph
1500
82°F
N
14 mph
14 mph
1800
82°F
N
14 mph
14 mph
2100
81°F
N
16 mph
16 mph
