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Weather in Galveston Island, Texas for August 2025

Your guide to Galveston Island weather in August - trends and predictions

    Temperatures

  • In general, the average temperature in Galveston Island at the beginning of August is 29.7 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 29 °F by the end of August.

  • Rain 🌧️

  • Galveston Island in August brings notable rainfall, with an average of 19 rainy days and a total precipitation of 179.2 mm.

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Average dry days
12
Dry days
Average rainy days
19
Rainy days
Average snowy days
0
Snow days
Average temperatures
30°/28°
Temperatures
Average wind speed
22 km/h
Avg max wind
Average humidity
72 %
Avg humidity

Galveston Island Weather August

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Temperatures trend during August in Galveston Island

See the weather trend as well as the moving average line

August weather in Galveston Island day by day

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Date Weather Temperatures Rain UV More
Aug. 1 Cloudy
Cloudy
29° /28° 0 mm 6
Aug. 2 Patchy rain possible
Patchy rain possible
29° /28° 0.2 mm 6
Aug. 3 Sunny
Sunny
30° /27° 0 mm 7
Aug. 4 Moderate or heavy rain shower
Moderate or heavy rain shower
30° /27° 3.6 mm 7
Aug. 5 Patchy rain possible
Patchy rain possible
30° /27° 1.5 mm 7
Aug. 6 Sunny
Sunny
30° /28° 0 mm 8
Aug. 7 Sunny
Sunny
30° /27° 0 mm 8
Aug. 8 Sunny
Sunny
30° /28° 0 mm 8
Aug. 9 Partly cloudy
Partly cloudy
31° /28° 4 mm 8
Aug. 10 Patchy rain possible
Patchy rain possible
31° /28° 0.3 mm 7
Aug. 11 Sunny
Sunny
30° /29° 0 mm 8
Aug. 12 Patchy rain possible
Patchy rain possible
30° /29° 0.4 mm 7
Aug. 13 Moderate rain at times
Moderate rain at times
30° /28° 1.4 mm 7
Aug. 14 Moderate rain at times
Moderate rain at times
30° /29° 0.7 mm 7
Aug. 15 Cloudy
Cloudy
30° /29° 0 mm 7
Aug. 16 Patchy rain possible
Patchy rain possible
30° /29° 0.2 mm 7
Aug. 17 Partly cloudy
Partly cloudy
30° /29° 0 mm 8
Aug. 18 Patchy rain possible
Patchy rain possible
30° /29° 0.9 mm 7
Aug. 19 Sunny
Sunny
31° /29° 0 mm 8
Aug. 20 Moderate rain at times
Moderate rain at times
32° /28° 0.7 mm 7
Aug. 21 Sunny
Sunny
31° /29° 0 mm 8
Aug. 22 Moderate or heavy rain shower
Moderate or heavy rain shower
30° /28° 11.6 mm 7
Aug. 23 Moderate rain at times
Moderate rain at times
30° /29° 2.6 mm 7
Aug. 24 Moderate rain at times
Moderate rain at times
30° /28° 1.4 mm 7
Aug. 25 Moderate rain at times
Moderate rain at times
29° /29° 2.7 mm 6
Aug. 26 Moderate or heavy rain shower
Moderate or heavy rain shower
29° /27° 23.8 mm 6
Aug. 27 Moderate rain at times
Moderate rain at times
30° /27° 9 mm 7
Aug. 28 Moderate or heavy rain shower
Moderate or heavy rain shower
30° /28° 12.5 mm 6
Aug. 29 Moderate or heavy rain shower
Moderate or heavy rain shower
28° /26° 43.5 mm 6
Aug. 30 Moderate or heavy rain shower
Moderate or heavy rain shower
29° /27° 31.6 mm 6
Aug. 31 Moderate or heavy rain shower
Moderate or heavy rain shower
28° /26° 26.6 mm 6
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Important Notice
Our weather forecast for Galveston Island in August is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Galveston Island forecast closer to your planned date for the most up-to-date weather information.

Galveston Island in August - FAQ

What are the expected maximum and minimum temperatures in Galveston Island during August?
During August, expect a variety of temperatures with highs around 30° and lows near 28°, suitable for diverse activities and preferences.
How much rainfall should be expected in Galveston Island during August?
Significant rainfall exceeding 179.2 mm is expected in Galveston Island during August, occurring over more than 19 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Galveston Island during August?
The average wind speed in Galveston Island during August is 22 km/h, suggesting breezy to windy conditions, depending on your activities.

August rainfall patterns in Galveston Island

Explore the daily rainfall trends and prepare for Galveston Islands August weather 💧

UV exposure in Galveston Island during August

Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️

Quick links

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Location coordinates Where is Galveston Island?

Get accurate weather forecasts for Galveston Island, located at latitude 29.222 and longitude -94.909. Stay updated with localized weather information tailored for Galveston Island.

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