Weather in St. Thomas for August 2026
Fog Warning - See hour by hour.
Until now, August 2026 in St. Thomas has been nearly identical to the historical average, with a temperature of 26.3 °C (showing only a slight deviation of 0.4 °C).
The forecast for the upcoming days in St. Thomas predicts a temperature of 27.5 °C, which is slightly above the historical average.
In general, the average temperature in St. Thomas at the beginning of August is 26 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 24.1 °C by the end of August.
The climate of St. Thomas in August is notably wet, with an average of 14 rainy days, and a total of 81.3 mm of precipitation.
New! Chat with our AI weatherman - it’s amazing and free.
Official Weather Alert ⚠️
Temperatures
Rain 🌧️
More
St. Thomas Weather August
Temperatures trend during August in St. Thomas
August weather in St. Thomas day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Aug. |  Patchy rain possible | 26° /15° | 0.9 mm | 7 | |
| 2 Aug. |  Moderate or heavy rain shower | 26° /15° | 12.6 mm | 6 | |
| 3 Aug. |  Overcast | 27° /15° | 0.5 mm | 7 | |
| 4 Aug. | Patchy rain possible | 27° /14° | 0.1 mm | 7 | |
| 5 Aug. | Patchy rain possible | 27° /14° | 0.1 mm | 7 | |
| 6 Aug. | Moderate or heavy rain shower | 25° /16° | 3.7 mm | 7 | |
| 7 Aug. | Patchy rain possible | 24° /16° | 2.2 mm | 7 | |
| 8 Aug. | Overcast | 25° /16° | 3.3 mm | 7 | |
| 9 Aug. | Patchy rain possible | 27° /15° | 0.3 mm | 7 | |
| 10 Aug. |  Heavy rain at times | 25° /16° | 2.9 mm | 6 | |
| 11 Aug. | Overcast | 26° /14° | 2.2 mm | 7 | |
| 12 Aug. |  Sunny | 28° /16° | 0.8 mm | 6.1 | |
| 13 Aug. | Sunny | 28° /16° | 1.2 mm | 6.4 | |
| 14 Aug. | Sunny | 25° /13° | 0 mm | 7.1 | |
| 15 Aug. | Sunny | 26° /10° | 0 mm | 7.6 | |
| 16 Aug. |  Partly cloudy | 30° /17° | 18.2 mm | 7 | |
| 17 Aug. | Partly cloudy | 26° /15° | 0 mm | 7 | |
| 18 Aug. | Sunny | 26° /14° | 0 mm | 7 | |
| 19 Aug. | Partly cloudy | 30° /17° | 0 mm | 7 | |
| 20 Aug. | Sunny | 30° /16° | 0 mm | 8 | |
| 21 Aug. | Sunny | 35° /20° | 1 mm | 8 | |
| 22 Aug. | Sunny | 27° /18° | 0 mm | 7 | |
| 23 Aug. | Sunny | 28° /17° | 0 mm | 7 | |
| 24 Aug. | Sunny | 22° /9° | 0.6 mm | 6 | |
| 25 Aug. | Sunny | 24° /7° | 0 mm | 6 | |
| 26 Aug. |  Mist | 25° /11° | 0 mm | 5 | |
| 27 Aug. |  Cloudy | 26° /13° | 0 mm | 6 | |
| 28 Aug. | Sunny | 24° /12° | 5.5 mm | 6 | |
| 29 Aug. | Mist | 23° /10° | 0.1 mm | 6 | |
| 30 Aug. | Mist | 24° /9° | 0.4 mm | 5 | |
| 31 Aug. | Partly cloudy | 23° /10° | 1.3 mm | 6 | |
| Next | |||||
St. Thomas in August - FAQ
What are the expected maximum and minimum temperatures in St. Thomas during August?
How much rainfall should be expected in St. Thomas during August?
What are the typical wind conditions in St. Thomas during August?
August rainfall patterns in St. Thomas
UV exposure in St. Thomas during August
Quick links
Where is St. Thomas?Get accurate weather forecasts for St. Thomas, located at latitude 42.774 and longitude -81.18. Stay updated with localized weather information tailored for St. Thomas.