August
Weather in Saint Lucia for August 2025
Your guide to Saint Lucia weather in August - trends and predictions
In general, the average temperature in Saint Lucia at the beginning of August is 29.6 °C. As the month progressed, temperatures tended to slightly increase, reaching an average of 29.7 °C by the end of August.
Saint Lucia experiences heavy rainfall in August, with over 20 rainy days and an average total precipitation 240.9 mm.
Temperatures
Rain 🌧️
1
Dry days
30
Rainy days
0
Snow days
29°/27°
Temperatures
23 km/h
Avg max wind
77 %
Avg humidity
Saint Lucia in August average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  31° | 2  29° | 3 30° | ||||
| 4 29° | 5 29° | 6 29° | 7 30° | 8 30° | 9 29° | 10 29° |
| 11 29° | 12 29° | 13 28° | 14 30° | 15 30° | 16 29° | 17 30° |
| 18 29° | 19  29° | 20 28° | 21 29° | 22  30° | 23 30° | 24 30° |
| 25 30° | 26 30° | 27  30° | 28 30° | 29 30° | 30 29° | 31 29° |
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Temperatures trend during August in Saint Lucia
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. | Patchy rain possible | 31° /26° | 1 mm | 7 | |
| 2 Aug. | Moderate rain at times | 29° /26° | 4.2 mm | 6 | |
| 3 Aug. | Moderate rain at times | 30° /26° | 6.4 mm | 7 | |
| 4 Aug. | Patchy rain possible | 29° /26° | 1.7 mm | 6 | |
| 5 Aug. | Patchy rain possible | 29° /27° | 5.8 mm | 6 | |
| 6 Aug. | Patchy rain possible | 29° /26° | 6.6 mm | 6 | |
| 7 Aug. | Moderate or heavy rain shower | 30° /26° | 7.8 mm | 7 | |
| 8 Aug. | Moderate or heavy rain shower | 30° /26° | 9.2 mm | 7 | |
| 9 Aug. | Moderate or heavy rain shower | 29° /26° | 14.7 mm | 6 | |
| 10 Aug. | Moderate or heavy rain shower | 29° /26° | 14.1 mm | 6 | |
| 11 Aug. | Patchy rain possible | 29° /26° | 3.6 mm | 6 | |
| 12 Aug. | Patchy rain possible | 29° /26° | 8.2 mm | 6 | |
| 13 Aug. | Moderate rain at times | 28° /26° | 14.2 mm | 6 | |
| 14 Aug. | Moderate rain at times | 30° /27° | 1.7 mm | 7 | |
| 15 Aug. | Patchy rain possible | 30° /27° | 0.8 mm | 7 | |
| 16 Aug. | Patchy rain possible | 29° /27° | 7 mm | 7 | |
| 17 Aug. | Patchy rain possible | 30° /26° | 1.5 mm | 7 | |
| 18 Aug. | Patchy rain possible | 29° /26° | 3.4 mm | 6 | |
| 19 Aug. | Heavy rain at times | 29° /26° | 9.2 mm | 6 | |
| 20 Aug. | Moderate or heavy rain shower | 28° /26° | 30.5 mm | 6 | |
| 21 Aug. | Patchy rain possible | 29° /26° | 1.5 mm | 6 | |
| 22 Aug. | Cloudy | 30° /26° | 1.2 mm | 7 | |
| 23 Aug. | Patchy rain possible | 30° /27° | 3 mm | 7 | |
| 24 Aug. | Patchy rain possible | 30° /26° | 2.2 mm | 7 | |
| 25 Aug. | Moderate or heavy rain shower | 30° /27° | 14.1 mm | 7 | |
| 26 Aug. | Light rain shower | 30° /25° | 20.4 mm | 7 | |
| 27 Aug. | Partly cloudy | 30° /27° | 3.7 mm | 7 | |
| 28 Aug. | Patchy rain possible | 30° /27° | 5.5 mm | 7 | |
| 29 Aug. | Light rain shower | 30° /27° | 6 mm | 7 | |
| 30 Aug. | Light rain shower | 29° /27° | 14.6 mm | 6 | |
| 31 Aug. | Light rain shower | 29° /26° | 16.9 mm | 6 | |
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Important Notice
Our weather forecast for Saint Lucia 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 Lucia forecast closer to your planned date for the most up-to-date weather information.
Saint Lucia in August - FAQ
What are the expected maximum and minimum temperatures in Saint Lucia 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 Lucia during August?
Significant rainfall exceeding 240.9 mm is expected in Saint Lucia during August, occurring over more than 30 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Saint Lucia during August?
The average wind speed in Saint Lucia during August is 23 km/h, suggesting breezy to windy conditions, depending on your activities.
August rainfall patterns in Saint Lucia
Explore the daily rainfall trends and prepare for Saint Lucias August weather 💧
UV exposure in Saint Lucia during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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