Measurements:
°C
°F
Galveston Island
54°F
W 12 mph
Feels like: 50°F
Precip: 0%
World Resorts USA Galveston Island Weather

7 Day Weather Forecast

12.22
sun
DAY
56°F
W 12 mph
precip
0%
NIGHT
60°F
NW 14 mph
precip
0%
12.23
mon
DAY
66°F
NW 14 mph
precip
0%
NIGHT
66°F
NW 17 mph
precip
0%
12.24
tue
DAY
66°F
NW 14 mph
precip
0%
NIGHT
66°F
N 12 mph
precip
0%
12.25
wed
DAY
70°F
N 9 mph
precip
82%
NIGHT
68°F
N 17 mph
precip
0%
12.26
thu
DAY
70°F
N 14 mph
precip
87%
NIGHT
68°F
N 15 mph
precip
100%
12.27
fri
DAY
70°F
NW 16 mph
precip
73%
NIGHT
68°F
NW 14 mph
precip
71%
12.28
sat
DAY
68°F
N 6 mph
precip
100%
NIGHT
64°F
S 12 mph
precip
0%

Galveston Island Sea Water Temperature in December, °F

Select Year: 2024 2023 2022

The average sea surface temperature in December 2024 for Galveston Island was 17.6°F. The maximum and minimum values were 15.3°F and 20.0°F respectively.

Galveston Island on the Weather Map

Best Time to Visit Galveston Island
The most sunny months:
October 16 days
June 14 days
September 13 days
The most warm months:
August 93.9 °F
July 92.9 °F
June 92.2 °F
Warmest sea temperature:
August 91.6 °F
July 90.1 °F
September 88.9 °F
The most cold months:
January 61.0 °F
February 61.8 °F
December 65.6 °F
The most rainy months:
May 4 days
July 4 days
January 4 days
The most windy months:
April 11 mph
May 11 mph
March 11 mph