Weather in Galveston Island, Texas for July 2025
Heat Advisory - See hour by hour.
Until now, July 2025 in Galveston Island has been nearly identical to the historical average, with a temperature of 28.7 °F (showing only a slight deviation of -0.5 °F).
The forecast for the next days in Galveston Island predicts temperatures to be around 30 °F, close to the historical average.
In general, the average temperature in Galveston Island at the beginning of July is 29.1 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 29.7 °F by the end of July.
Galveston Island experiences heavy rainfall in July, with over 20 rainy days and an average total precipitation 350.6 mm.
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Galveston Island Weather July
Temperatures trend during July in Galveston Island
July weather in Galveston Island day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Jul. 1 |  Cloudy | 29° /27° | 11.9 mm | 7 | |
| Jul. 2 |  Partly cloudy | 30° /28° | 0 mm | 7 | |
| Jul. 3 |  Patchy rain possible | 28° /26° | 0.2 mm | 6 | |
| Jul. 4 | Patchy rain possible | 28° /28° | 0.2 mm | 6 | |
| Jul. 5 |  Overcast | 30° /28° | 0.1 mm | 8 | |
| Jul. 6 | Patchy rain possible | 29° /27° | 0.1 mm | 6 | |
| Jul. 7 |  Moderate or heavy rain shower | 30° /27° | 10.7 mm | 7 | |
| Jul. 8 | Moderate or heavy rain shower | 30° /28° | 46.6 mm | 7 | |
| Jul. 9 |  Heavy rain at times | 29° /26° | 1.7 mm | 6 | |
| Jul. 10 | Heavy rain at times | 30° /27° | 1 mm | 7 | |
| Jul. 11 | Moderate or heavy rain shower | 30° /27° | 4 mm | 7 | |
| Jul. 12 | Moderate or heavy rain shower | 29° /27° | 63.9 mm | 6 | |
| Jul. 13 | Moderate or heavy rain shower | 29° /27° | 2.7 mm | 6 | |
| Jul. 14 | Patchy rain possible | 29° /27° | 0.3 mm | 6 | |
| Jul. 15 | Overcast | 29° /27° | 0 mm | 6 | |
| Jul. 16 | Overcast | 28° /27° | 0 mm | 6 | |
| Jul. 17 | Patchy rain possible | 29° /27° | 0.3 mm | 6 | |
| Jul. 18 | Moderate rain at times | 29° /27° | 6.3 mm | 6 | |
| Jul. 19 | Cloudy | 28° /26° | 0.2 mm | 6 | |
| Jul. 20 | Moderate or heavy rain shower | 29° /27° | 2.5 mm | 6 | |
| Jul. 21 | Moderate or heavy rain shower | 29° /27° | 4.4 mm | 6 | |
| Jul. 22 | Partly cloudy | 31° /28° | 0 mm | 2.9 | |
| Jul. 23 | Partly cloudy | 31° /28° | 0 mm | 3 | |
| Jul. 24 | Partly cloudy | 28° /27° | 0 mm | 2.8 | |
| Jul. 25 |  Moderate rain | 28° /27° | 14.5 mm | 2.4 | |
| Jul. 26 | Patchy rain possible | 30° /28° | 2 mm | 0 | |
| Jul. 27 | Patchy rain possible | 30° /29° | 0.2 mm | 6 | |
| Jul. 28 |  Sunny | 30° /29° | 0 mm | 7 | |
| Jul. 29 | Sunny | 30° /27° | 0 mm | 7 | |
| Jul. 30 | Sunny | 30° /27° | 0 mm | 7 | |
| Jul. 31 | Sunny | 30° /27° | 0 mm | 7 | |
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Galveston Island in July - FAQ
July rainfall patterns in Galveston Island
UV exposure in Galveston Island during July
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Where is Galveston Island?Get accurate weather forecasts for Galveston Island, located at latitude 29.222 and longitude -94.909. Stay updated with localized weather information tailored for Galveston Island.