World Resorts USA Galveston Island Weather

Galveston Island 14 Days Forecast

29.12
mon
Day
50°F
S 26 mph
Precip.
0%
Night
48°F
S 22 mph
Precip.
0%
30.12
tue
Day
46°F
S 13 mph
Precip.
0%
Night
50°F
SW 7 mph
Precip.
0%
31.12
wed
Day
54°F
N 1 mph
Precip.
0%
Night
57°F
NE 10 mph
Precip.
0%
01.01
thu
Day
63°F
N 6 mph
Precip.
0%
Night
64°F
NE 16 mph
Precip.
76%
02.01
fri
Day
66°F
NE 19 mph
Precip.
44%
Night
64°F
E 12 mph
Precip.
42%
03.01
sat
Day
59°F
S 11 mph
Precip.
0%
Night
61°F
W 11 mph
Precip.
0%
04.01
sun
Day
61°F
W 9 mph
Precip.
0%
Night
61°F
W 9 mph
Precip.
0%
05.01
mon
Day
64°F
NW 12 mph
Precip.
0%
Night
64°F
NW 13 mph
Precip.
0%
06.01
tue
Day
66°F
N 13 mph
Precip.
41%
Night
66°F
N 15 mph
Precip.
100%
07.01
wed
Day
64°F
E 11 mph
Precip.
100%
Night
61°F
SW 10 mph
Precip.
100%
08.01
thu
Day
61°F
E 17 mph
Precip.
22%
Night
55°F
SE 21 mph
Precip.
0%
09.01
fri
Day
55°F
S 10 mph
Precip.
0%
Night
61°F
N 16 mph
Precip.
0%
10.01
sat
Day
64°F
N 20 mph
Precip.
0%
Night
64°F
NE 17 mph
Precip.
0%
11.01
sun
Day
61°F
NW 17 mph
Precip.
23%
Night
61°F
SW 17 mph
Precip.
0%

Sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 63.4°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

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 63.5 °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
+54°F
S 22 mph
Feels like: +48°F
Precip.: 0%
Places in USA:
Name
°F
+41°F
+77°F
+77°F
+63°F
+70°F
+79°F
+79°F
+70°F
+41°F
+77°F
+59°F
+72°F
+72°F
+50°F
+23°F
24 Hours Forecast
Galveston Island
Local time: 17:01
December 29, monday
1800
54°F
S
22 mph
2100
50°F
S
22 mph
December 30, tuesday
0000
48°F
S
22 mph
0300
46°F
S
21 mph
0600
45°F
S
19 mph
0900
45°F
S
17 mph
1200
46°F
S
13 mph
1500
50°F
S
7 mph
Units of measurement: °C / °F