World Resorts USA Galveston Weather

Galveston Sea Temperature in May

Average sea water temperature in May:
+78.8°F
Minimum sea water temperature in May: 84.0°F
Maximum sea water temperature in May: 71.4°F

Daily sea water temperature in May, °F

Show year:
2025
2024
2023

The average sea water temperature in May of 2025 was 79.6°F. The highest and lowest sea temperatures during the month were 82.9°F and 76.5°F.

Monthly sea water temperature in Galveston, °F

Which USA resorts have warmest sea in May?

Place name May 2025 May 2024
Everglades 84.5°F 84.6°F
Islamorada 83.6°F 84.4°F
Key West 83.5°F 84.6°F
Naples 83.5°F 83.8°F
Marco Island 83.5°F 84.0°F
Key Largo 83.5°F 84.1°F
Sanibel Island 83.1°F 83.2°F
Tampa 82.7°F 82.5°F
Sarasota 82.7°F 82.9°F
St. Petersburg 82.6°F 82.4°F
Clearwater Beach 82.6°F 82.5°F
Miami 82.6°F 83.3°F
Siesta Key 82.5°F 82.6°F
Miami Beach 82.4°F 83.0°F
Fort Lauderdale 81.1°F 81.7°F
West Palm Beach 81.1°F 81.5°F
Corpus Christi 80.9°F 81.0°F
Pensacola 80.1°F 79.4°F
South Padre Island 80.0°F 81.1°F
Pass Christian 79.8°F 79.8°F

Best time for vacation in Galveston

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 87.4 °F
July 86.0 °F
September 84.9 °F
Coldest months:
January 58.6 °F
February 59.9 °F
December 63.4 °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 on a weather map

Galveston
+50°F
W 6 mph
Feels like: +48°F
Precip.: 0%
Places in USA:
Name
°F
+34°F
+70°F
+70°F
+52°F
+61°F
+66°F
+75°F
+64°F
+30°F
+59°F
+50°F
+59°F
+55°F
+50°F
+34°F
24 Hours Forecast
Galveston
Local time: 23:40
January 13, tuesday
0000
50°F
W
6 mph
0300
52°F
N
6 mph
0600
52°F
NE
5 mph
0900
55°F
SE
6 mph
1200
57°F
SE
4 mph
1500
57°F
N
2 mph
1800
57°F
NE
6 mph
2100
57°F
NE
9 mph
Units of measurement: °C / °F