St Lucia
Weather by month
Current –

St Lucia Weather in August

In St Lucia, August brings high daytime temperatures around 24°C (75°F), with nights cooling to 18°C (64°F). It is the driest month of the year, with minimal rainfall.

Rainfall in St Lucia in August

As the driest month, it's a great time for hiking and exploring the area. Typically around 7 days of rainfall are expected, averaging 46 mm (1.8 in) for the month. Rain is scarce this month and when it does fall, it tends to be light. Unlikely to disrupt plans significantly.

Temperature in St Lucia in August

August in St Lucia is generally excellent, with days reaching 24°C (75°F) and nights settling around 18°C (64°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. Nights drop to around 18°C (64°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

If your ideal day consists of dry skies and pleasant temperatures, April, May, June, July, August, September and October typically offer the best circumstances for St Lucia.

St Lucia Temperature in August

Min Temperature
18°C (64°F)
Max Temperature
24°C (75°F)
Chance of Rain
23%
Precipitation
46 mm (1.8 in)
Rainy days
7 days

St Lucia Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in St Lucia - and find the best time to visit.

Best Places in South Africa in August

Find out more about the weather in South Africa and which places have the best travel conditions in this month. See all of South Africa in August →

perfect weather
pleasant
tolerable
unpleasant
poor

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).

What to Wear in St Lucia in August

Pleasant temperatures in August mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Rain gear is recommended, you can expect wet weather on multiple days.

What To Do in St Lucia in August

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Cycling
    10/10
  • Walking
    10/10
  • Camping
    10/10
  • Outdoor sports
    10/10

St Lucia 3-Day Forecast

More climate data for St Lucia

Popular in August

Where to go in August - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.