World Resorts USA Galveston Island Weather

Galveston Island Sea Temperature in December

Average sea water temperature in December:
+63.2°F
Minimum sea water temperature in December: 69.4°F
Maximum sea water temperature in December: 53.6°F

Daily 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.

Monthly sea water temperature in Galveston Island, °F

Which USA resorts have warmest sea in December?

Place name December 2025 December 2024
Kailua Kona 79.2°F 78.3°F
Fort Lauderdale 78.7°F 77.6°F
Honolulu 78.6°F 78.3°F
Hawaii 78.5°F 78.3°F
Kauai 78.2°F 76.0°F
Princeville 78.2°F 76.1°F
Maui 78.0°F 77.8°F
Miami Beach 77.4°F 75.9°F
Oahu 77.1°F 77.2°F
Miami 75.5°F 73.0°F
Naples 71.5°F 67.7°F
Sarasota 69.2°F 65.6°F
Tampa 68.3°F 65.5°F
Orlando 67.6°F 66.0°F
Destin 65.7°F 66.5°F
Panama City Beach 64.4°F 65.0°F
Houston 63.4°F 62.3°F
Long Beach (CA) 63.4°F 57.8°F
Malibu 63.3°F 58.1°F
Irvine 63.1°F 59.0°F

Best time for vacation in Galveston Island

Sunniest months:
October 18 days
November 14 days
September 14 days
Warmest months:
August 89.2 °F
July 88.3 °F
June 87.4 °F
Warmest sea temp:
August 87.5 °F
July 86.1 °F
September 85.1 °F
Coldest months:
January 58.6 °F
February 60.6 °F
December 63.4 °F
Rainiest months:
November 3 days
July 3 days
May 3 days
Windiest months:
April 12.3 mph
January 11.5 mph
May 11.3 mph

Galveston Island on a weather map

Galveston Island
+79°F
N 9 mph
Feels like: +84°F
Precip.: 8%
Places in USA:
Name
°F
+81°F
+75°F
+73°F
+57°F
+77°F
+84°F
+72°F
+72°F
+81°F
+64°F
+54°F
+77°F
+77°F
+79°F
+66°F
24 Hours Forecast
Galveston Island
Local time: 04:06
July 03, friday
0600
79°F
N
8 mph
0900
84°F
N
4 mph
1200
93°F
NW
4 mph
1500
91°F
NW
12 mph
1800
84°F
N
12 mph
2100
84°F
N
13 mph
July 04, saturday
0000
84°F
N
11 mph
0300
82°F
N
10 mph
Units of measurement: °C / °F