The highest day temperature in January 2024 was 67°F. The lowest night temperature was 29°F. The average values for day and night temperatures during January were 54.0°F и 53.4°F respectivly.

The average sea surface temperature in January 2024 for Galveston Island was 57.3°F. The maximum and minimum values were 53.2°F and 60.6°F respectively.

You can expect various weather conditions during January. Be ready for sunny, cloudy or even gloomy days.

Precipitation total in January for Galveston Island is 1.5 in.

The average wind speed in January is 10.4 mph. It makes January one of the most windy 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 January is 5.8 hours.