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United StatesThe climate of Galveston
The current climate in Galveston features temperatures ranging from a high of 33°C to a low of 18°C throughout the year. The average yearly temperature is around 26°C. At night, temperatures in the colder months average around 10°C and in the warmer months around 27°C.
Average temperatures and precipitation
This chart shows the average monthly maximum and minimum temperatures (in degrees Celsius) and average monthly rainfall (in millimeters) for Galveston, Texas.
Temperature records
The highest temperature recorded in Galveston in recent years was 39°C in August 2023. The lowest daytime temperature recorded was 1°C in December 2022.
Rainfall amount
On average, Galveston receives 1549 mm of precipitation each year. For comparison, New York gets 1142 mm of precipitation annually.
The hurricane season in Galveston runs from June to November.
Best time to visit Galveston?
The best time to visit Galveston for sunny weather is January through May, July, November and December. During this period, you'll have nice temperatures and not too much rain, making it a great time to visit Galveston. In the other months of the year, there's too much rain or the temperature isn't ideal for a visit if you want sunny and pleasant weather.
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Climate Table of Galveston
The climate table of Galveston shows the average temperatures, rainfall, and UV index per month. The table provides an overview of the average day and night temperatures in degrees Celsius, the total amount of rainfall in millimeters, the total snowfall in centimeters, and the UV index for each month. Rainfall is always measured as water, even if it's snow or hail.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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| Temp. max (°C) | 18 | 19 | 21 | 25 | 29 | 31 | 33 | 33 | 32 | 28 | 22 | 20 |
| Temp. min (°C) | 11 | 12 | 15 | 20 | 24 | 27 | 28 | 28 | 26 | 22 | 16 | 13 |
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| Precipitation (mm) | 78 | 36 | 100 | 66 | 107 | 188 | 83 | 383 | 194 | 123 | 83 | 108 |
| UV Index | 4 | 4 | 3 | 5 | 7 | 4 | 7 | 7 | 4 | 5 | 4 | 4 |
Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.
Temperature charts
These charts display the average temperatures in Galveston, Texas. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Average Temperature per Month in Galveston
Yearly Temperature in Galveston
Precipitation charts
These charts show the average amount of precipitation in Galveston, Texas. Precipitation is always measured as water, even when it falls as snow or hail. The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Average Precipitation per Month in Galveston
Total Yearly Precipitation in Galveston
UV index chart
This chart shows the average UV index per month in Galveston, Texas. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.
Average UV Index per Month in Galveston
Weather experiences in Galveston
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Average weather in Galveston by month
Click on a month below to see detailed weather info for Galveston. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.