More from Galveston
. 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
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
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
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
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
More Annual Averages
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Galveston : Next 24-Hour Weather
Today - 17th September 2025
Sunrise 07:07
Sunset 19:23
15:00
34°C
(93°F)
16:00
34°C
(92°F)
17:00
33°C
(91°F)
18:00
31°C
(87°F)
19:00
29°C
(83°F)
20:00
27°C
(80°F)
21:00
26°C
(78°F)
22:00
26°C
(78°F)
23:00
25°C
(76°F)
Tomorrow - 18th September 2025
Sunrise 07:07
Sunset 19:23
0:00
25°C
(75°F)
1:00
24°C
(75°F)
2:00
24°C
(74°F)
3:00
24°C
(74°F)
4:00
24°C
(74°F)
5:00
24°C
(75°F)
6:00
24°C
(75°F)
7:00
25°C
(77°F)
8:00
27°C
(79°F)
9:00
28°C
(81°F)
10:00
30°C
(85°F)
11:00
31°C
(88°F)
12:00
33°C
(91°F)
13:00
34°C
(92°F)
14:00
34°C
(92°F)
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