Measurements:
°C
°F
CURRENT WEATHER
01:55
Galveston Island
80°F
NW 9 mph
Feels like: 84°F
Precip: 0%
World Resorts USA Galveston Island Weather

7 Day Weather Forecast

05.19
sun
DAY
82°F
NW 12 mph
precip
0%
NIGHT
82°F
NW 13 mph
precip
0%
05.20
mon
DAY
82°F
NW 11 mph
precip
0%
NIGHT
82°F
NW 17 mph
precip
0%
05.21
tue
DAY
82°F
NW 15 mph
precip
64%
NIGHT
82°F
NW 19 mph
precip
0%
05.22
wed
DAY
82°F
NW 16 mph
precip
88%
NIGHT
82°F
NW 16 mph
precip
0%
05.23
thu
DAY
82°F
NW 19 mph
precip
0%
NIGHT
82°F
NW 17 mph
precip
49%
05.24
fri
DAY
84°F
NW 17 mph
precip
68%
NIGHT
82°F
NW 19 mph
precip
22%
05.25
sat
DAY
84°F
N 15 mph
precip
28%
NIGHT
82°F
NW 12 mph
precip
81%

Galveston Island Sea Water Temperature in May, °F

Select Year: 2023 2022 2021

The average sea surface temperature in May 2023 for Galveston Island was 25.9°F. The maximum and minimum values were 21.9°F and 28.7°F respectively.

Galveston Island on the Weather Map

Best Time to Visit Galveston Island
The most sunny months:
October 15 days
June 15 days
September 13 days
The most warm months:
August 94.8 °F
July 94.2 °F
June 93.3 °F
Warmest sea temperature:
August 91.3 °F
July 90.0 °F
September 89.1 °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
November 4 days
The most windy months:
April 11 mph
March 11 mph
January 10 mph
more details