World Resorts USA Galveston Island Weather

Galveston Island 7 Days Forecast

25.12
thu
Day
68°F
N 6 mph
Precip.
0%
Night
64°F
N 9 mph
Precip.
0%
26.12
fri
Day
64°F
N 11 mph
Precip.
0%
Night
64°F
N 10 mph
Precip.
0%
27.12
sat
Day
64°F
N 7 mph
Precip.
0%
Night
64°F
N 11 mph
Precip.
0%
28.12
sun
Day
66°F
N 9 mph
Precip.
89%
Night
64°F
NE 6 mph
Precip.
0%
29.12
mon
Day
55°F
SW 25 mph
Precip.
25%
Night
54°F
SW 18 mph
Precip.
0%
30.12
tue
Day
50°F
SW 15 mph
Precip.
0%
Night
54°F
SW 4 mph
Precip.
0%
31.12
wed
Day
57°F
N 4 mph
Precip.
0%
Night
61°F
N 12 mph
Precip.
0%

Sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 63.2°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

Sunniest months:
October 18 days
September 14 days
November 14 days
Warmest months:
August 89.2 °F
July 88.3 °F
June 87.8 °F
Warmest sea temp:
August 87.5 °F
July 86.1 °F
September 85.1 °F
Coldest months:
January 58.6 °F
February 59.9 °F
December 63.6 °F
Rainiest months:
November 3 days
July 3 days
May 3 days
Windiest months:
April 11.7 mph
January 11.2 mph
May 11.0 mph

Galveston Island on a weather map

Galveston Island
+64°F
N 4 mph
Feels like: +64°F
Precip.: 0%
Places in USA:
Name
°F
+37°F
+73°F
+73°F
+54°F
+59°F
+70°F
+72°F
+64°F
+36°F
+61°F
+52°F
+61°F
+59°F
+68°F
+41°F
24 Hours Forecast
Galveston Island
Local time: 09:03
December 25, thursday
1200
68°F
N
6 mph
1500
68°F
NW
6 mph
1800
64°F
N
6 mph
2100
64°F
N
9 mph
December 26, friday
0000
64°F
N
9 mph
0300
64°F
N
11 mph
0600
64°F
NE
8 mph
0900
64°F
NE
7 mph
Units of measurement: °C / °F