St Lucia
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St Lucia Weather in May

Thinking of visiting St Lucia in May? Expect high temperatures reaching 26°C (79°F) during the day, dropping to 20°C (68°F) at night, and note that quite a bit of rainfall is likely.

Rainfall in St Lucia in May

You can expect rain on roughly 8 days based on historical data, averaging 69 mm (2.7 in) for the month. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in St Lucia in May

St Lucia has excellent weather in May, with days reaching 26°C (79°F) and nights cooling to 20°C (68°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. Nights are mild at around 20°C (68°F), which is comfortable for most people.

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 May

Min Temperature
20°C (68°F)
Max Temperature
26°C (79°F)
Chance of Rain
26%
Precipitation
69 mm (2.7 in)
Rainy days
8 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 May

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 May →

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 May

Warm temperatures in May make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Rain gear is recommended, you can expect wet weather on multiple days.

What To Do in St Lucia in May

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

  • Cycling
    8/10
  • Walking
    8/10
  • Camping
    8/10
  • Outdoor sports
    8/10

St Lucia 3-Day Forecast

More climate data for St Lucia

Popular in May

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

Bucket list

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