Measurements:
°C
°F
Galveston Island
56°F
W 14 mph
Feels like: 50°F
Precip: 0%
World Resorts USA Galveston Island Weather

Galveston Island Sea Water Temperature

Current Sea Water Temperature:
+63.8°F
Maximum Sea Water Temperature in December: 71.4°F
Minimum Sea Water Temperature in December: 54.0°F
Average water temperature in December: 64.7°F

Sea Water Temperature for the Last 10 Days:

December 22 63.8°F December 17 64.6°F
December 21 65.0°F December 16 63.2°F
December 20 65.6°F December 15 61.6°F
December 19 66.2°F December 14 61.0°F
December 18 65.2°F December 13 60.6°F

When is the Warmest Sea for Galveston Island?

According to our data for the last three years for Galveston Island the highest average sea water temperature was in August, July and September.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2024 2023 2022

The average sea surface temperature in August 2024 for Galveston Island was 92.8°F. The maximum and minimum values were 90.0°F and 94.8°F respectively.

Sea Water Temperature in July

Select Year: 2024 2023 2022

The average sea surface temperature in July 2024 for Galveston Island was 90.4°F. The maximum and minimum values were 89.0°F and 92.8°F respectively.

Sea Water Temperature in September

Select Year: 2024 2023 2022

The average sea surface temperature in September 2024 for Galveston Island was 88.2°F. The maximum and minimum values were 83.6°F and 91.0°F respectively.

Best Time to Visit Galveston Island
The most sunny months:
October 16 days
June 14 days
September 13 days
The most warm months:
August 93.9 °F
July 92.9 °F
June 92.2 °F
Warmest sea temperature:
August 91.6 °F
July 90.1 °F
September 88.9 °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
January 4 days
The most windy months:
April 11 mph
May 11 mph
March 11 mph

Galveston Island on the Weather Map

USA Resorts:
NAME
Boston +10
Chicago +20
Hawaii +78
Honolulu +78
Houston +46
Las Vegas +50
Los Angeles +54
Miami +62
New York +16
Orlando +50
San Diego +54
San Francisco +54
Sarasota +48
Tampa +46
Washington +20
24 Hours Weather Forecast
Galveston Island
Local time: 04:22
22 dec, sunday
0600 54°F
W
12 mph
0900 54°F
W
12 mph
1200 56°F
W
12 mph
1500 58°F
NW
13 mph
1800 58°F
W
12 mph
2100 60°F
NW
16 mph
23 dec, monday
0000 60°F
NW
14 mph
0300 62°F
NW
13 mph