United StatesThe weather in August in Galveston
It's hot in August in Galveston with an average temperature of 33°C. Temperatures this month range from a low of 31°C to a high of 34°C. At night, you can expect temperatures between 26°C and 29°C.
Looking for sun? August isn’t a good month to be in Galveston. The temperature is nice, but there’s too much chance of rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in August for Galveston, Texas. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 39°C in 2023, Galveston reached the highest temperature in August over the past 10 years. The lowest daytime temperature in this month was 23°C in 2017. The extreme nighttime temperatures ranged from a lowest recorded value of 21°C to a highest value of 31°C.
Water temperature
The water temperature at Galveston is 31°C this month. It’s really warm, perfect for a swim.
Rainfall amount
In August, there is an average of 383 mm of precipitation, spread over 21 days. The wind speed is around 3 Bft, mostly coming from the South.
Daily weather in August for Galveston
Click on any day in August to get detailed info about the usual weather on that day in Galveston. Check out the historical temperatures and precipitation over the past 10 years on this day.
August weather comparison
| Galveston | New York | |
|---|---|---|
| Average temperature | 33°C | 30°C |
| Max. temperature | 34°C | 31°C |
| Min. temperature | 26°C | -5°C |
| Total precipitation | 383 mm | 79 mm |
| Rainy days | 21 days | 13 days |
Start of August
The month of August starts in Galveston with hot temps, averaging around 33°C during the day and nights around 29°C.
Mid August
By mid-August, daytime temps rise to around 34°C, with nights around 29°C. There’s a high chance of precipitation during this time.
End of August
By the end of August, the average daytime temperature in Galveston is around 33°C, while nighttime temps are about 28°C. There’s a significant chance of many days with precipitation.
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UV index
The UV index is a maximum of 7 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
The hurricane season in Galveston runs from June to November.
Check out the climate of Galveston for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in August in Galveston, Texas. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in August in Galveston
Temperature in August in Galveston over the years
Precipitation charts
These charts show the average amount of precipitation in August 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.
Daily Precipitation in August in Galveston
Total precipitation in August in Galveston over the years
Daily UV index in August in Galveston
This chart shows the average daily UV index in August in Galveston, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in August 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.