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Galveston weather in June

Weather in Galveston: June

Average day temperature: 87.8°F
Average night temperature: 79.3°F
Sea water temperature: 84.5°F
Number of sunny days: 13 days
Day length: 13.9 - 14.0 hours
Number of rainy days: 1 day
Precipitation totals: 0.8 in.

Air temperature in June, °F

Show year:
2025
2024
2023

The highest day temperature during June of 2025 was 94°F. At the same time the lowest night temperature was 75°F. Daily and nightly averages during June were 86.6°F and 81.6°F.

Sea water temperature in Galveston in June, °F

Show year:
2025
2024
2023

The average sea water temperature in June of 2025 was 84.6°F. The highest and lowest sea temperatures during the month were 87.4°F and 82.0°F.

Sunny, partly cloudy and cloudy days

Mostly all days in June are sunny but cloudy days are also possible.

Precipitation total in June, in.

Precipitation total value in Galveston in June is 0.8 in. Other months of the year show relatively similar values.

Wind speed in June, mph

The average wind speed value in June is 10.2 mph

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in June is: 8.7.

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 63.6 °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
S 21 mph
Feels like: +45°F
Precip.: 0%
Places in USA:
Name
°F
+30°F
+77°F
+77°F
+45°F
+55°F
+70°F
+77°F
+70°F
+25°F
+57°F
+48°F
+63°F
+63°F
+46°F
+9°F
24 Hours Forecast
Galveston
Local time: 21:31
December 05, friday
0000
48°F
S
17 mph
0300
46°F
S
15 mph
0600
45°F
S
16 mph
0900
48°F
S
14 mph
1200
48°F
SW
7 mph
1500
50°F
S
2 mph
1800
52°F
SW
6 mph
2100
54°F
W
6 mph
Units of measurement: °C / °F