Galveston (TX) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Galveston.
Climate overview of Galveston
Galveston, Texas, United States of America, experiences significant temperature variation throughout the year. Summers bring daytime highs of 33°C (91°F) in August, while winters cool to 16°C (61°F) in January.
The city has a wet climate, receiving around 1146 mm (45 in) of rainfall per year. Despite the high annual total, it has very warm summers and mild winters. September is the wettest month. July is the sunniest month, averaging 10.4 hours of sunshine per day.
Galveston Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Galveston - and find the best time to visit.
Monthly Temperature in Galveston
Depending on the time of the year, temperatures range from very warm to moderate in Galveston. On average, daytime temperatures range from a very warm 33°C (91°F) in August to a moderate 16°C (61°F) in January.
Nighttime temperatures range from 27°C (81°F) in August to 9°C (48°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Galveston
Galveston has a relatively rainy climate with high precipitation levels, averaging 1146 mm (45 in) of rainfall annually. The seasons in Galveston bring significant changes in precipitation. The wettest month, September, receives high rainfall, with an average of 158 mm (6.2 in) of precipitation. This rainfall is distributed across 13 rainy days.
In contrast, the driest month, February, experiences much less rainfall, totaling 53 mm (2.1 in) over 8 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Galveston Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Galveston
In Galveston, summer days are longer and more sunny, with daily sunshine hours peaking at 10.4 hours in July. As the darker season arrives, the brightness of the sun becomes less. January sees a soft sun for only 4.9 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Best Time to Visit Galveston
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: March, April, May and November
- Warmest weather: June, July and August
- Most sunshine: June and July
- Fewer rainy days: March, April, May, October and November
- Seasonal pattern: Very warm summers and mild winters
Frequently asked questions about the climate in Galveston
What is the best time to visit Galveston?
March, April, May and November typically offer the most optimal weather in Galveston. In contrast, August tends to have less optimal conditions. Galveston has very warm summers and mild winters.
What temperatures can I expect in Galveston?
Daytime highs range from 16°C (61°F) in January to 33°C (91°F) in August. Nighttime lows range from 9°C (48°F) to 27°C (81°F). Temperatures vary considerably through the year.
How much rain does Galveston get?
Annual rainfall is around 1146 mm (45 in). September is the wettest month with 158 mm (6.2 in), while February is the driest with 53 mm (2.1 in).
How sunny is Galveston?
Galveston receives around 2,716 hours of sunshine per year. July is the sunniest month with 311 hours, while January is the cloudiest with just 147 hours. Overall, Galveston enjoys abundant sunshine.
Galveston 3-Day Forecast
Galveston (TX) 3-Day Forecast
Galveston on the map
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