World Resorts USA Galveston Island Weather

Galveston Island Sea Temperature in October

Average sea water temperature in October:
+78.8°F
Minimum sea water temperature in October: 85.3°F
Maximum sea water temperature in October: 70.5°F

Daily sea water temperature in October, °F

Show year:
2025
2024
2023

The average sea water temperature in October of 2025 was 81.1°F. The highest and lowest sea temperatures during the month were 84.4°F and 76.1°F.

Monthly sea water temperature in Galveston Island, °F

Which USA resorts have warmest sea in October?

Place name October 2025 October 2024
South Padre Island 84.0°F 82.4°F
Key West 83.8°F 82.9°F
Fort Lauderdale 83.5°F 83.0°F
Miami Beach 83.4°F 83.4°F
Islamorada 83.1°F 82.9°F
Key Largo 83.0°F 83.1°F
Miami 82.7°F 82.9°F
Everglades 82.5°F 82.6°F
Corpus Christi 82.2°F 80.6°F
Naples 81.9°F 81.6°F
Sanibel Island 81.6°F 81.3°F
Kauai 81.3°F 79.2°F
Cape Coral 81.1°F 81.2°F
Kailua Kona 80.9°F 80.6°F
Honolulu 80.7°F 80.6°F
Hawaii 80.6°F 80.5°F
Siesta Key 80.4°F 80.7°F
Houston 80.4°F 78.8°F
Sarasota 80.2°F 80.5°F
Maui 79.8°F 79.4°F

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
+66°F
NE 9 mph
Feels like: +66°F
Precip.: 100%
Places in USA:
Name
°F
+36°F
+73°F
+73°F
+50°F
+54°F
+70°F
+75°F
+68°F
+34°F
+57°F
+59°F
+55°F
+54°F
+68°F
+25°F
24 Hours Forecast
Galveston Island
Local time: 05:35
December 21, sunday
0600
66°F
NE
9 mph
0900
64°F
NE
7 mph
1200
64°F
NE
6 mph
1500
64°F
N
7 mph
1800
64°F
N
4 mph
2100
64°F
NW
5 mph
December 22, monday
0000
64°F
N
9 mph
0300
64°F
N
7 mph
Units of measurement: °C / °F