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 an exceptionally high level of rainfall in August, with more than 24 rainy days on average.
Is August a good time to visit Saint Thomas Island? check out the best time to travel to Saint Thomas Island page.
- New! Chat with our AI weatherman - it’s amazing and free.
6
Dry days
25
Rainy days
0
Snow days
29°/27°
Temperatures
30 km/h
Avg max wind
79 %
Avg humidity
Saint Thomas Island in August average weather
Move between months or click on a day
| 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° |
You can click on date
Access Saint Thomas Island weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Temperatures trend during August in Saint Thomas Island
See the weather trend as well as the moving average line
August weather day by day
Click on a date for more information
| 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 | |
| Next | |||||
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 27°, suitable for diverse activities and preferences.
How much rainfall should be expected in Saint Thomas Island during August?
Significant rainfall exceeding 143 mm is expected in Saint Thomas Island during August, occurring over more than 25 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 30 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Saint Thomas Island in August?
As you prepare for your trip to Saint Thomas Island in August, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Saint Thomas Island, during August, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Lightweight Clothing: T-shirts, blouses, shorts, skirts
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Sandals/Flip-flops: Comfortable for warm climates
- Accessories
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
- Umbrellas/Raincoats: For rainy days
- Personal Items
- Sunscreen: High SPF for sunny destinations
- Lip Balm with SPF: To protect against chapped lips
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 ☀️
Provinces in Saint Thomas Island
Select a province for an accurate weather forecast
Top locations in Saint Thomas Island
Select a location for an accurate weather forecast
More Locations Quick links
You are here
Where is Saint Thomas Island?Get accurate weather forecasts for Saint Thomas Island, located at latitude 18.342 and longitude -64.931. Stay updated with localized weather information tailored for Saint Thomas Island.
Found a mistake?
We appreciate your attention to details. Tell us here.