Weather in Saint Thomas Island for August 2025
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.
Saint Thomas Island in August average weather
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
Temperatures trend during August in Saint Thomas Island
August weather day by day
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 |
Saint Thomas Island in August - FAQ
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
UV exposure in Saint Thomas Island during August
Quick links
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.