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Galveston, USA Weather Averages

. The most daily sunshine hours in Galveston are 12 in June. The best month to swim in the sea is in August when the average sea temperature is 30°C (86°F).

Average Daily Sunshine Hours Galveston

What are Average Daily Sunshine Hours?
Total sunshine hours for the month, divided by the number of days in the month. Sunshine hours are taken with a sunshine recorder, either a Campbell-Stokes recorder or an Eppley Pyreheliometer
What are Average Daily Sunshine Hours?
Total sunshine hours for the month, divided by the number of days in the month. Sunshine hours are taken with a sunshine recorder, either a Campbell-Stokes recorder or an Eppley Pyreheliometer

Average Sea Temperature Galveston

What is Average Sea Temperature?
Average daily sea temperatures and divided by the number of days in the month. Sea Temperatures are taken from buoys, ships and even satellites can calculate sea temperature based on energy that is radiated from the sea's surface
What is Average Sea Temperature?
Average daily sea temperatures and divided by the number of days in the month. Sea Temperatures are taken from buoys, ships and even satellites can calculate sea temperature based on energy that is radiated from the sea's surface

Galveston : Next 24-Hour Weather

Tomorrow - 24th November 2025

Sunrise 06:53

Sunrise

Sunset 17:23

Sunset
19:00
Clear
26°C (78°F)
20:00
Clear
25°C (76°F)
21:00
Clear
25°C (75°F)
22:00
Clear
24°C (75°F)
23:00
Clear
24°C (75°F)

Tomorrow - 25th November 2025

Sunrise 06:53

Sunrise

Sunset 17:23

Sunset
0:00
Partly cloudy
24°C (75°F)
1:00
Clear
22°C (71°F)
2:00
Heavy rain
21°C (68°F)
3:00
Patchy rain possible
20°C (67°F)
4:00
Patchy rain possible
19°C (66°F)
5:00
Clear
19°C (65°F)
6:00
Clear
19°C (65°F)
7:00
Mist
21°C (68°F)
8:00
Fog
22°C (70°F)
9:00
Partly cloudy
23°C (73°F)
10:00
Clear
26°C (78°F)
11:00
Clear
28°C (81°F)
12:00
Clear
29°C (84°F)
13:00
Clear
31°C (86°F)
14:00
Clear
31°C (88°F)
15:00
Clear
31°C (88°F)
16:00
Clear
31°C (86°F)
17:00
Clear
29°C (83°F)
18:00
Clear
28°C (81°F)