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August in Soufrière sees daytime temperatures around 31°C (88°F) and lows of 26°C (79°F) at night. With around 121 mm (4.8 in) of rainfall expected, it's worth packing a rain jacket.
If you prefer dry days with pleasant temperatures, August may not be the ideal month to visit Soufrière. Our weather planner can help you explore destinations with more pleasant weather conditions.
Pick a month to see the average temperature, rainfall and sunshine in Soufrière - and find the best time to visit.
49-year average (1976-2025)
Based on our historical records, temperatures in Soufrière typically stay consistent throughout August, with daily highs averaging around 31°C (88°F). Nights are warm, with lows around 26°C (79°F).
Browse day-by-day weather records for Soufrière spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Based on weather observations in Soufrière between 1990 and 2026, these are the recorded extremes during August.
Find out more about the weather in Saint Lucia and which places have the best travel conditions in this month. See all of Saint Lucia in August →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
Warm weather calls for comfortable, breathable clothing in August. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). High rain levels are expected, so pack waterproof gear and an umbrella or poncho. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity
See the full Soufrière climate overview or explore weather in Saint Lucia.
Where to go in August - average daytime high across popular destinations.
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