21.12
sun
sun
Day
64°F
NE 6 mph
Precip.
0%
0%
Night
64°F
N 9 mph
Precip.
0%
0%
22.12
mon
mon
Day
64°F
N 9 mph
Precip.
0%
0%
Night
63°F
NW 12 mph
Precip.
0%
0%
23.12
tue
tue
Day
63°F
NW 8 mph
Precip.
0%
0%
Night
64°F
NW 11 mph
Precip.
0%
0%
24.12
wed
wed
Day
64°F
W 9 mph
Precip.
0%
0%
Night
64°F
NW 8 mph
Precip.
0%
0%
25.12
thu
thu
Day
64°F
NW 6 mph
Precip.
0%
0%
Night
64°F
N 9 mph
Precip.
0%
0%
26.12
fri
fri
Day
64°F
NE 9 mph
Precip.
0%
0%
Night
64°F
N 10 mph
Precip.
0%
0%
27.12
sat
sat
Day
64°F
N 6 mph
Precip.
0%
0%
Night
64°F
NW 9 mph
Precip.
0%
0%
sea water
temperature
temperature
| Galveston Island |
monthly
weather
weather
| Galveston Island |
current
weather
weather
| Galveston Island |
14 days
forecast
forecast
| Galveston Island |
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 63.4°F. The highest and lowest sea temperatures during the month were 69.4°F and 59.7°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 56.9°F. The highest and lowest sea temperatures during the month were 66.0°F and 49.5°F.
Air temperature in Galveston Island, °F
Precipitation total in Galveston Island, in.
* Charts above show average data for the last 3 years.
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: 05:35
December 21, sunday
0600
66°F
NE
9 mph
9 mph
0900
64°F
NE
7 mph
7 mph
1200
64°F
NE
6 mph
6 mph
1500
64°F
N
7 mph
7 mph
1800
64°F
N
4 mph
4 mph
2100
64°F
NW
5 mph
5 mph
December 22, monday
0000
64°F
N
9 mph
9 mph
0300
64°F
N
7 mph
7 mph
