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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

Today - 15th June 2025

Sunrise 06:21

Sunrise

Sunset 20:22

Sunset
1:00
Cloudy
27°C (80°F)
2:00
Cloudy
27°C (80°F)
3:00
Overcast
27°C (80°F)
4:00
Thundery outbreaks possible
27°C (80°F)
5:00
Fog
27°C (80°F)
6:00
Fog
27°C (80°F)
7:00
Mist
27°C (80°F)
8:00
Mist
27°C (80°F)
9:00
Mist
27°C (81°F)
10:00
Mist
28°C (82°F)
11:00
Cloudy
30°C (85°F)
12:00
Clear
31°C (87°F)
13:00
Partly cloudy
32°C (89°F)
14:00
Partly cloudy
32°C (89°F)
15:00
Partly cloudy
32°C (89°F)
16:00
Partly cloudy
32°C (89°F)
17:00
Partly cloudy
31°C (88°F)
18:00
Clear
31°C (86°F)
19:00
Clear
29°C (84°F)
20:00
Cloudy
29°C (83°F)
21:00
Cloudy
28°C (81°F)
22:00
Overcast
27°C (80°F)
23:00
Clear
27°C (80°F)

Tomorrow - 16th June 2025

Sunrise 06:21

Sunrise

Sunset 20:22

Sunset
0:00
Overcast
27°C (80°F)
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