Measurements:
°C
°F
CURRENT WEATHER
03:28
Galveston Island
62°F
N 7 mph
Feels like: 62°F
Precip: 0%
World Resorts USA Galveston Island Weather

7 Day Weather Forecast

12.13
sat
DAY
64°F
N 9 mph
precip
0%
NIGHT
64°F
N 5 mph
precip
0%
12.14
sun
DAY
58°F
SW 25 mph
precip
100%
NIGHT
50°F
SW 21 mph
precip
0%
12.15
mon
DAY
42°F
SW 9 mph
precip
0%
NIGHT
54°F
NW 9 mph
precip
0%
12.16
tue
DAY
64°F
W 12 mph
precip
0%
NIGHT
64°F
NW 12 mph
precip
0%
12.17
wed
DAY
66°F
NW 10 mph
precip
0%
NIGHT
66°F
NW 14 mph
precip
44%
12.18
thu
DAY
68°F
NW 8 mph
precip
0%
NIGHT
66°F
NW 8 mph
precip
0%
12.19
fri
DAY
68°F
NW 6 mph
precip
26%
NIGHT
68°F
NW 10 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 17.5°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 18 days
September 14 days
November 14 days
The most warm months:
August 93.5 °F
July 92.6 °F
June 92.0 °F
Warmest sea temperature:
August 91.7 °F
July 90.2 °F
September 89.0 °F
The most cold months:
January 59.5 °F
February 61.0 °F
December 65.1 °F
The most rainy months:
November 3 days
July 3 days
May 3 days
The most windy months:
April 11 mph
January 11 mph
May 11 mph
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