Galveston Weather: August
 |
Average Day Temperature: | 93.5°F |
|
Average Night Temperature: | 85.3°F |
|
Sea Water Temperature: | 91.5°F |
|
Number of Sunny Days: | 13 days |
| Sunshine Hours: | 12.8 - 13.5 hours | |
|
Number of Rainy Days: | 2 days |
| Precipitation Totals: | 1.0 in | |
| detailed information | ||
forecast
| Galveston |
Temperature
| Galveston |
Air Temperature in August, °F
The highest day temperature in August 2025 was 96°F. The lowest night temperature was 85°F. The average values for day and night temperatures during August were 91.7°F и 88.2°F respectivly.
Galveston Water Sea Temperature in August, °F
The average sea surface temperature in August 2025 for Galveston was 92.1°F. The maximum and minimum values were 90.6°F and 93.6°F respectively.
Most of the days in August are sunny but you can also expect cloudy and gloomy days.
Precipitation Totals in August, in
Precipitation total in August for Galveston is 1.0 in.
The average wind speed in August is 8.2 mph. It makes August the most windless month of the year for Galveston.
We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Galveston in August is 8.5 hours.
Galveston on the Weather Map
| Chicago |  |
-2 |
| Hawaii | |
+78 |
| Honolulu | |
+78 |
| Houston | |
+44 |
| Las Vegas |  |
+40 |
| Los Angeles | |
+52 |
| Maui | |
+72 |
| Miami | |
+72 |
| Miami Beach |  |
+80 |
| New York | |
+18 |
| San Diego | |
+54 |
| San Francisco | |
+46 |
| Sarasota | |
+62 |
| Tampa | |
+62 |
| Washington | |
+28 |
| 0300 |  |
46°F | S 15 mph |
| 0600 | |
44°F | S 16 mph |
| 0900 | |
48°F | S 14 mph |
| 1200 | |
48°F | SW 7 mph |
| 1500 | |
50°F | S 2 mph |
| 1800 | |
52°F | SW 6 mph |
| 2100 | |
54°F | W 6 mph |
| 0000 | |
56°F | W 4 mph |