Current sea water temperature:
+65.7°F
| Minimum sea water temperature in January: | 68.9°F |
| Maximum sea water temperature in January: | 49.8°F |
| Average sea water temperature in January: | 58.8°F |
| more information | |
14 days
forecast
forecast
| Galveston |
monthly
weather
weather
| Galveston |
Sea water temperature for the last 10 days:
| January 11 | 65.7°F | January 6 | 63.0°F |
| January 10 | 66.0°F | January 5 | 62.1°F |
| January 9 | 64.2°F | January 4 | 63.3°F |
| January 8 | 63.9°F | January 3 | 62.6°F |
| January 7 | 64.2°F | January 2 | 60.3°F |
Monthly sea water temperature, °F
When is the warmest sea in Galveston?
Based on the data about daily sea water temperature for the last three years the warmest sea in Galveston was noticed in August, July and September.
Monthly Sea Temperatures in Galveston, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 87.9°F. The highest and lowest sea temperatures during the month were 89.2°F and 86.5°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 86.4°F. The highest and lowest sea temperatures during the month were 88.0°F and 85.1°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 85.5°F. The highest and lowest sea temperatures during the month were 87.3°F and 83.8°F.
current
weather
weather
| Galveston |
weather in
January
January
| Galveston |
Best time for vacation in Galveston
Galveston on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Galveston
Local time: 22:45
January 12, monday
0000
50°F
SW
15 mph
15 mph
0300
50°F
SW
13 mph
13 mph
0600
48°F
SW
12 mph
12 mph
0900
50°F
SW
12 mph
12 mph
1200
54°F
SW
12 mph
12 mph
1500
57°F
SW
7 mph
7 mph
1800
59°F
W
4 mph
4 mph
2100
57°F
W
5 mph
5 mph
