Measurements:
°C
°F
Galveston Island
70°F
S 4 mph
Feels like: 70°F
Precip: 0%
World Resorts USA Galveston Island Weather

Galveston Island Sea Water Temperature

Current Sea Water Temperature:
+76.6°F
Maximum Sea Water Temperature in November: 82.0°F
Minimum Sea Water Temperature in November: 64.4°F
Average water temperature in November: 73.3°F

Sea Water Temperature for the Last 10 Days:

November 21 76.6°F November 16 77.4°F
November 20 77.4°F November 15 79.0°F
November 19 77.4°F November 08 80.0°F
November 18 77.6°F November 07 80.2°F
November 17 75.8°F November 06 81.2°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
November 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 +48
Chicago +34
Hawaii +80
Honolulu +80
Houston +74
Las Vegas +60
Los Angeles +74
Maui +74
Miami +86
New York +48
San Diego +72
San Francisco +58
Sarasota +76
Tampa +76
Washington +52
24 Hours Weather Forecast
Galveston Island
Local time: 15:03
21 nov, thursday
1800 74°F
N
5 mph
2100 70°F
E
9 mph
22 nov, friday
0000 68°F
SE
9 mph
0300 66°F
SE
9 mph
0600 66°F
S
11 mph
0900 64°F
S
11 mph
1200 68°F
S
11 mph
1500 72°F
S
7 mph