Measurements:
°C
°F
Galveston Island
78°F
N 12 mph
Feels like: 82°F
Precip: 88%
World Resorts USA Galveston Island Weather

7 Day Weather Forecast

01.09
fri
DAY
74°F
N 7 mph
precip
0%
NIGHT
66°F
NE 11 mph
precip
0%
01.10
sat
DAY
56°F
S 21 mph
precip
0%
NIGHT
58°F
S 23 mph
precip
0%
01.11
sun
DAY
56°F
S 15 mph
precip
0%
NIGHT
56°F
SW 16 mph
precip
0%
01.12
mon
DAY
50°F
SW 12 mph
precip
0%
NIGHT
54°F
NW 7 mph
precip
0%
01.13
tue
DAY
58°F
NW 6 mph
precip
0%
NIGHT
60°F
NE 11 mph
precip
0%
01.14
wed
DAY
62°F
E 9 mph
precip
0%
NIGHT
64°F
E 12 mph
precip
0%
01.15
thu
DAY
56°F
S 16 mph
precip
0%
NIGHT
60°F
W 8 mph
precip
0%

Galveston Island Sea Water Temperature in January, °F

Select Year: 2025 2024 2023

The average sea surface temperature in January 2025 for Galveston Island was 13.9°F. The maximum and minimum values were 9.7°F and 18.9°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 64.9 °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