What’s the climate like in Galveston?
The current climate of Galveston features average monthly temperatures ranging from highs of 33°C during the day to lows of 18°C. 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.
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.
On average, Galveston receives 1549 mm of precipitation each year. For comparison, London gets 701 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 good 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.
Climate Table of Galveston
The climate table of Galveston shows the average temperatures, precipitation, and UV index per month. The table gives an overview of the average day and night temperatures in degrees Celsius, the total amount of precipitation in millimetres, the total snowfall in centimetres, and the UV index for each month. Precipitation 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.
- Average yearly temperature: 26°C
- Highest temperature: 33°C in July and August
- Lowest temperature: 18°C in January
- Precipitation: 1549 mm per year, averaging 129 mm per month
- Driest months: 36 mm in February, 66 mm in April and 78 mm in January
- Wettest months: 383 mm in August, 194 mm in September and 188 mm in June
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Table of Contents
Average Temperature per Month in Galveston
This graph shows the average maximum temperatures per month in Galveston, Texas. The temperatures are shown in degrees Celsius and the average is calculated based on the recorded temperatures per month from past years.
Average Precipitation per Month in Galveston
This graph shows how much precipitation Galveston, Texas, gets on average per month. Precipitation is always measured as water, even if it's snow or hail. This makes it easy to compare how much has fallen, regardless of the form of precipitation. The amount of precipitation is measured in millimetres and the average is calculated based on the recorded precipitation per month from past years.
Average UV Index per Month in Galveston
This graph 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.
Yearly Temperature in Galveston
This graph shows the average yearly temperature in Galveston, Texas. The yearly temperature, expressed in degrees Celsius, is the average of all twelve monthly temperatures summed up for that year.
Total Yearly Precipitation in Galveston
This chart shows the total yearly precipitation in Galveston, Texas, over the past few years. The total yearly precipitation, measured in millimetres, is the sum of all the rain that fell in the twelve months of that year.
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.
