Saint Thomas Island (Charlotte Amalie)
August
Weather in Saint Thomas Island for August 2025
Your guide to Saint Thomas Island weather in August - trends and predictions
In general, the average temperature in Saint Thomas Island at the beginning of August is 29 °C. As the month progressed, temperatures tended to slightly increase, reaching an average of 29.1 °C by the end of August.
Saint Thomas Island experiences heavy rainfall in August, with over 20 rainy days and an average total precipitation 143.5 mm.
Temperatures
Rain 🌧️
4
Dry days
27
Rainy days
0
Snow days
29°/28°
Temperatures
31 km/h
Avg max wind
77 %
Avg humidity
Saint Thomas Island in August average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  29° | 2  29° | 3 29° | ||||
| 4  29° | 5 29° | 6 29° | 7 29° | 8 29° | 9 29° | 10 30° |
| 11 29° | 12 30° | 13 30° | 14 30° | 15 29° | 16 29° | 17 29° |
| 18 30° | 19 29° | 20 29° | 21 29° | 22 29° | 23  29° | 24 29° |
| 25  29° | 26 29° | 27  30° | 28 29° | 29 29° | 30 29° | 31 29° |
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Temperatures trend during August in Saint Thomas Island
See the weather trend as well as the moving average line
August weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Aug. | Moderate rain at times | 29° /27° | 8.4 mm | 6 | |
| 2 Aug. | Patchy rain possible | 29° /27° | 11.1 mm | 6 | |
| 3 Aug. | Moderate or heavy rain shower | 29° /27° | 5.4 mm | 6 | |
| 4 Aug. | Heavy rain at times | 29° /27° | 7.3 mm | 6 | |
| 5 Aug. | Patchy rain possible | 29° /28° | 3 mm | 6 | |
| 6 Aug. | Moderate or heavy rain shower | 29° /27° | 5.8 mm | 6 | |
| 7 Aug. | Heavy rain at times | 29° /27° | 6.3 mm | 7 | |
| 8 Aug. | Moderate or heavy rain shower | 29° /27° | 5.8 mm | 6 | |
| 9 Aug. | Moderate or heavy rain shower | 29° /27° | 13.3 mm | 6 | |
| 10 Aug. | Heavy rain at times | 30° /28° | 7.9 mm | 7 | |
| 11 Aug. | Moderate or heavy rain shower | 29° /27° | 2.9 mm | 6 | |
| 12 Aug. | Patchy rain possible | 30° /28° | 3.9 mm | 7 | |
| 13 Aug. | Patchy rain possible | 30° /28° | 1.5 mm | 7 | |
| 14 Aug. | Patchy rain possible | 30° /27° | 14.6 mm | 7 | |
| 15 Aug. | Patchy rain possible | 29° /27° | 2.2 mm | 6 | |
| 16 Aug. | Patchy rain possible | 29° /27° | 0.5 mm | 6 | |
| 17 Aug. | Moderate rain at times | 29° /28° | 3.5 mm | 6 | |
| 18 Aug. | Patchy rain possible | 30° /28° | 2.4 mm | 7 | |
| 19 Aug. | Patchy rain possible | 29° /27° | 0.7 mm | 6 | |
| 20 Aug. | Moderate or heavy rain shower | 29° /28° | 7 mm | 6 | |
| 21 Aug. | Moderate or heavy rain shower | 29° /27° | 6.7 mm | 6 | |
| 22 Aug. | Heavy rain at times | 29° /27° | 6.6 mm | 6 | |
| 23 Aug. | Overcast | 29° /27° | 1.4 mm | 6 | |
| 24 Aug. | Overcast | 29° /27° | 3.4 mm | 6 | |
| 25 Aug. | Thundery outbreaks possible | 29° /27° | 0.1 mm | 6 | |
| 26 Aug. | Patchy rain possible | 29° /26° | 2.3 mm | 6 | |
| 27 Aug. | Partly cloudy | 30° /27° | 0.1 mm | 8 | |
| 28 Aug. | Overcast | 29° /27° | 4.7 mm | 6 | |
| 29 Aug. | Overcast | 29° /28° | 1.3 mm | 6 | |
| 30 Aug. | Light rain shower | 29° /27° | 2.3 mm | 6 | |
| 31 Aug. | Thundery outbreaks possible | 29° /27° | 1.2 mm | 6 | |
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Important Notice
Our weather forecast for Saint Thomas 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 Saint Thomas Island forecast closer to your planned date for the most up-to-date weather information.
Saint Thomas Island in August - FAQ
What are the expected maximum and minimum temperatures in Saint Thomas Island during August?
During August, expect a variety of temperatures with highs around 29° and lows near 28°, suitable for diverse activities and preferences.
How much rainfall should be expected in Saint Thomas Island during August?
Significant rainfall exceeding 143.5 mm is expected in Saint Thomas Island during August, occurring over more than 27 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Saint Thomas Island during August?
The average wind speed in Saint Thomas Island during August is 31 km/h, suggesting breezy to windy conditions, depending on your activities.
August rainfall patterns in Saint Thomas Island
Explore the daily rainfall trends and prepare for Saint Thomas Islands August weather 💧
UV exposure in Saint Thomas Island during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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