Galveston Weather in January

The climate in Galveston during January can be summarized as mild and a little damp.

January is in the winter in Galveston and is typically the coldest month of the year. Daytime maximum temperatures average around a cool 15°C (59°F), whilst at night 8°C (46°F) is normal.

On average January is the 5th driest month of the year in Galveston with around 86mm 3.4 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.

On the flip side this corresponds to an average of 5 hours of sunshine per day.

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Galveston in January 2025.