The highest day temperature in October 2023 was 92°F. The lowest night temperature was 52°F. The average values for day and night temperatures during October were 81.7°F и 72.5°F respectivly.

The average sea surface temperature in October 2023 for Galveston Island was 82.1°F. The maximum and minimum values were 76.6°F and 89.2°F respectively.

Most of the days in October are sunny but you can also expect cloudy and gloomy days.

Precipitation total in October for Galveston Island is 1.1 in.

The average wind speed in October is 8.5 mph. It makes October one of the most windless months of the year for Galveston Island.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Galveston Island in October is 7.7 hours.