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Galveston weather in July

Weather in Galveston: July

Average day temperature: 88.6°F
Average night temperature: 80.8°F
Sea water temperature: 86.0°F
Number of sunny days: 12 days
Day length: 13.5 - 14.0 hours
Number of rainy days: 3 days
Precipitation totals: 1.5 in.

Air temperature in July, °F

Show year:
2026
2025
2024

The highest day temperature during July of 2026 was 99°F. At the same time the lowest night temperature was 74°F. Daily and nightly averages during July were 90.5°F and 79.8°F.

Sea water temperature in Galveston in July, °F

Show year:
2026
2025
2024

The average sea water temperature in July of 2026 was 86.4°F. The highest and lowest sea temperatures during the month were 87.8°F and 85.1°F.

Sunny, partly cloudy and cloudy days

Mostly all days in July are partly cloudy but sunny or cloudy days are also possible.

Precipitation total in July, in.

Precipitation total value in Galveston in July is 1.5 in. Other months of the year show relatively similar values.

Wind speed in July, mph

The average wind speed value in July is 9.5 mph It makes July one of the least windy months of the year.

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 July is: 8.9.

Best time for vacation in Galveston

Sunniest months:
October 18 days
September 14 days
November 14 days
Warmest months:
August 89.2 °F
July 88.6 °F
June 87.4 °F
Warmest sea temp:
August 87.4 °F
July 86.0 °F
September 84.9 °F
Coldest months:
January 58.6 °F
February 60.6 °F
December 63.4 °F
Rainiest months:
November 3 days
July 3 days
May 3 days
Windiest months:
April 12.3 mph
January 11.5 mph
May 11.2 mph

Galveston on a weather map

Galveston
+84°F
N 16 mph
Feels like: +95°F
Precip.: 8%
Places in USA:
Name
°F
+72°F
+81°F
+79°F
+90°F
+70°F
+79°F
+75°F
+79°F
+75°F
+72°F
+57°F
+68°F
+79°F
+82°F
+72°F
24 Hours Forecast
Galveston
Local time: 21:58
August 13, thursday
0000
82°F
N
19 mph
0300
81°F
N
20 mph
0600
84°F
N
17 mph
0900
84°F
N
17 mph
1200
86°F
N
14 mph
1500
86°F
N
14 mph
1800
86°F
N
16 mph
2100
84°F
N
18 mph
Units of measurement: °C / °F