World Resorts USA Galveston Island Weather

Galveston Island Sea Temperature in August

Average sea water temperature in August:
+87.5°F
Minimum sea water temperature in August: 90.3°F
Maximum sea water temperature in August: 85.5°F

Daily sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 87.8°F. The highest and lowest sea temperatures during the month were 89.1°F and 86.4°F.

Monthly sea water temperature in Galveston Island, °F

Which USA resorts have warmest sea in August?

Place name August 2025 August 2024
Naples 88.7°F 87.0°F
Tampa 88.6°F 86.4°F
Sarasota 88.6°F 87.2°F
Miami 88.1°F 86.4°F
Miami Beach 87.9°F 86.5°F
Houston 87.8°F 88.0°F
New Orleans 87.4°F 88.1°F
Fort Lauderdale 87.2°F 85.8°F
Panama City Beach 86.2°F 86.8°F
Destin 86.0°F 86.9°F
Hilton Head Island 85.0°F 84.0°F
Jacksonville 84.9°F 82.9°F
Orlando 84.9°F 83.4°F
Charleston (SC) 84.1°F 83.1°F
North Myrtle Beach 83.2°F 82.5°F
Murrells Inlet 83.2°F 82.5°F
Myrtle Beach 83.1°F 82.5°F
Oak Island 82.8°F 82.7°F
Carolina Beach 81.9°F 81.6°F
Wrightsville Beach 81.9°F 81.4°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
+82°F
+77°F
+77°F
+59°F
+77°F
+84°F
+72°F
+75°F
+84°F
+63°F
+54°F
+77°F
+79°F
+79°F
+66°F
24 Hours Forecast
Galveston Island
Local time: 03:14
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