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 an exceptionally high level of rainfall in August, with more than 24 rainy days on average.
Is August a good time to visit Saint Lucia? check out the best time to travel to Saint Lucia page.
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0
Dry days
31
Rainy days
0
Snow days
30°/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 30° and lows near 27°, suitable for diverse activities and preferences.
How much rainfall should be expected in Saint Lucia during August?
Significant rainfall exceeding 249.9 mm is expected in Saint Lucia during August, occurring over more than 31 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.
What to pack to Saint Lucia in August?
As you prepare for your trip to Saint Lucia 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 Lucia, 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
- Insect Repellent: For destinations with mosquitos or other insects
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