Weather in Galveston Island: October
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Average day temperature: | 78.9°F |
| Average night temperature: | 72.1°F | |
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Sea water temperature: | 79.0°F |
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Number of sunny days: | 16 days |
| Day length: | 11.0 - 11.9 hours | |
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Number of rainy days: | 2 days |
| Precipitation totals: | 1.2 in. | |
| more information | ||
forecast
| Galveston Island |
temperature
| Galveston Island |
Air temperature in October, °F
The highest day temperature during October of 2026 was 89°F. At the same time the lowest night temperature was 64°F. Daily and nightly averages during October were 77.2°F and 77.4°F.
Sea water temperature in Galveston Island in October, °F
The average sea water temperature in October of 2026 was 80.3°F. The highest and lowest sea temperatures during the month were 84.6°F and 74.7°F.
Mostly all days in October are sunny but cloudy days are also possible.
Precipitation total in October, in.
Precipitation total value in Galveston Island in October is 1.2 in. Other months of the year show relatively similar values.
The average wind speed value in October is 10.3 mph
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 October is: 7.8.
Best time for vacation in Galveston Island
Galveston Island on a weather map
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