Month guide · Saint Lucia
Saint Lucia in August
What August is really like in Saint Lucia: weather, crowds, prices, events and what to pack.
Updated By the AMZBooking editorial team
Photo: Pi3.124, CC BY-SA 4.0
Quick answer
August is a quieter month with trade-offs. Expect average highs of 31°C (88°F), lows of 25°C (77°F), about 20 rainy days and roughly 12.6 hours of daylight. Hot, humid and wet, with tropical storm risk; the warmest sea of the year.
Key facts
- Average high / low
- 31°C (88°F) / 25°C (77°F)
- Rainy days
- About 20
- Daylight
- About 12.6 hours
- Sea temperature
- 29°C (84°F)
- Crowds
- Quiet
- Hotel prices
- Low
Weather in August
August is the 5th-warmest month in Saint Lucia: days average 31°C (88°F) against a yearly average high of 30°C (86°F), and nights fall to about 25°C (77°F). Rain falls on roughly 20 of its 31 days. Compared with July (31°C (88°F)), August is about as warm; by September highs stay near 31°C (88°F).
- Sunrise (15 August)
- About 05:51
- Sunset (15 August)
- About 18:26
- Daylight
- About 12.6 hours
- Sea
- 29°C (84°F)
Early wet season (May–July). Warmer and more humid with growing showers; good-value prices, the Jazz and Arts Festival and Carnival.
Crowds and prices
On a 1–5 scale, August rates 2 for crowds (the peak is January at 5) and 2 for hotel prices (highest in January). That makes August one of the better-value months to book.
Events in August
- La Rose flower festival (around 30 August)
Dates move from year to year. Check the organiser’s site before booking travel around an event.
What to do in August
With frequent rain, plan around indoor sights and keep outdoor time flexible.
Beach · Soufrière
Anse Chastanet
A dark-sand bay north of Soufrière with one of the island's best reefs, reached by a steep, rough road or by boat.
- Time needed
- Half a day
- Cost
- Free
- Nature
- Active
- Free
- Outdoors
Historic site · Rodney Bay and Gros Islet
Pigeon Island National Landmark
Climb Signal Peak in the late afternoon for the views over Rodney Bay, then swim at the small beach before leaving.
- Time needed
- 2–3 hours
- Cost
- Low cost
- History
- Views
- Kids
- Outdoors
Beach · Rodney Bay and Gros Islet
Reduit Beach
A long stretch of pale sand with calm water in Rodney Bay, lined by hotels and beach bars, with watersports rentals and space for families.
- Time needed
- Half a day
- Cost
- Free
- Free
- Kids
- Outdoors

Waterfront · Marigot Bay
Marigot Bay
Visit around sunset for drinks overlooking the bay, and use the small water taxi to reach the beach side.
- Time needed
- 2–3 hours
- Cost
- Free
- Couples
- Views
- Photo spot
- Free
The sea averages 29°C (84°F) — warm enough to swim. Best beaches near Saint Lucia.
What to pack
For highs near 31°C, lows near 25°C and 20 wet days: light, breathable clothes, a sun hat and high-factor sunscreen; a compact umbrella and waterproof shoes — rain is frequent; comfortable walking shoes.
Is August a good time to visit Saint Lucia?
A quieter month with trade-offs, with a notable event on the calendar. If your dates are flexible, January–April are better overall. Compare every month.
Saint Lucia in other months
Questions travellers ask
+Is August a good time to visit Saint Lucia?
It is a quieter month with trade-offs. Hot, humid and wet, with tropical storm risk; the warmest sea of the year.
+How warm is Saint Lucia in August?
Average highs are around 31°C (88°F) and lows around 25°C (77°F).
+Does it rain a lot in Saint Lucia in August?
Expect rain on about 20 days of the month, so pack for wet weather.