St. Thomas
August
Weather in St. Thomas for August 2025
Your guide to St. Thomas weather in August - trends and predictions
So far, August 2025 in St. Thomas is slightly warmer than the historical average by 1.4 °C.
The forecast for the next days in St. Thomas predicts temperatures to be around 22 °C, close to the historical average.
In general, the average temperature in St. Thomas at the beginning of August is 25.9 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 22.6 °C by the end of August.
The climate of St. Thomas in August is notably wet, with an average of 15 rainy days, and a total of 100.6 mm of precipitation.
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Temperatures
Rain 🌧️
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16
Dry days
15
Rainy days
0
Snow days
25°/14°
Temperatures
19 km/h
Avg max wind
73 %
Avg humidity
St. Thomas Weather August
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Temperatures trend during August in St. Thomas
See the weather trend as well as the moving average line
August weather in St. Thomas day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Aug. |  Patchy rain possible | 25° /14° | 0.8 mm | 5 | |
| 2 Aug. |  Moderate or heavy rain shower | 27° /15° | 4.2 mm | 6 | |
| 3 Aug. |  Overcast | 28° /16° | 0.6 mm | 6 | |
| 4 Aug. | Patchy rain possible | 27° /16° | 0.2 mm | 6 | |
| 5 Aug. | Patchy rain possible | 26° /15° | 0.1 mm | 6 | |
| 6 Aug. | Moderate or heavy rain shower | 24° /16° | 3 mm | 5 | |
| 7 Aug. | Patchy rain possible | 24° /15° | 1.6 mm | 6 | |
| 8 Aug. | Overcast | 25° /16° | 0.3 mm | 5 | |
| 9 Aug. | Patchy rain possible | 27° /15° | 0.3 mm | 6 | |
| 10 Aug. |  Heavy rain at times | 24° /15° | 1.4 mm | 5 | |
| 11 Aug. | Overcast | 26° /13° | 0.4 mm | 6 | |
| 12 Aug. | Moderate or heavy rain shower | 26° /16° | 7 mm | 6 | |
| 13 Aug. |  Cloudy | 26° /14° | 0.2 mm | 6 | |
| 14 Aug. | Overcast | 25° /13° | 0.5 mm | 6 | |
| 15 Aug. | Moderate or heavy rain shower | 26° /15° | 9 mm | 6 | |
| 16 Aug. | Overcast | 27° /15° | 1.2 mm | 6 | |
| 17 Aug. | Light rain shower | 25° /16° | 9.5 mm | 5 | |
| 18 Aug. | Patchy rain possible | 21° /13° | 2 mm | 5 | |
| 19 Aug. | Overcast | 22° /10° | 3.9 mm | 5 | |
| 20 Aug. | Cloudy | 24° /13° | 0 mm | 5 | |
| 21 Aug. | Overcast | 23° /13° | 0 mm | 6 | |
| 22 Aug. |  Partly cloudy | 24° /12° | 0 mm | 6 | |
| 23 Aug. | Moderate or heavy rain shower | 24° /13° | 17.8 mm | 6 | |
| 24 Aug. | Patchy rain possible | 26° /14° | 9.8 mm | 6 | |
| 25 Aug. | Partly cloudy | 21° /11° | 0 mm | 1.2 | |
| 26 Aug. | Partly cloudy | 18° /11° | 0 mm | 1.4 | |
| 27 Aug. |  Sunny | 24° /10° | 0 mm | 1.6 | |
| 28 Aug. | Patchy rain possible | 22° /10° | 3.5 mm | 0.7 | |
| 29 Aug. | Sunny | 22° /5° | 0 mm | 0 | |
| 30 Aug. | Sunny | 24° /9° | 0 mm | 5 | |
| 31 Aug. | Sunny | 27° /11° | 0 mm | 5 | |
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Important Notice
Our weather forecast for St. Thomas 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 St. Thomas forecast closer to your planned date for the most up-to-date weather information.
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St. Thomas in August - FAQ
What are the expected maximum and minimum temperatures in St. Thomas during August?
Enjoy moderate daytime temperatures of up to 25° and cooler nights around 14°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in St. Thomas during August?
Significant rainfall exceeding 100.6 mm is expected in St. Thomas during August, occurring over more than 15 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in St. Thomas during August?
The average wind speed in St. Thomas during August is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
August rainfall patterns in St. Thomas
Explore the daily rainfall trends and prepare for St. Thomass August weather 💧
UV exposure in St. Thomas during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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