Saint Lucia Weather in May
Thinking of visiting Saint Lucia in May? Expect very high temperatures reaching 31°C (88°F) during the day, dropping to 25°C (77°F) at night, with some rainfall likely.
Rainfall in Saint Lucia in May
Past climate data indicates that roughly 15 days will see rain, totalling around 60 mm (2.4 in) for the month. Rain falls on many days this month, but usually in relatively small amounts. A light waterproof is more useful than a heavy umbrella.
Temperature in Saint Lucia in May
May in Saint Lucia sees highs of 31°C (88°F) and lows of 25°C (77°F) overnight. It's usually most comfortable outside during the morning and later in the day. At 25°C (77°F) overnight, it stays warm after dark. Light, breathable clothing and good airflow in your room make a noticeable difference.
Sunshine in Saint Lucia in May
The days are predominantly sunny, with an estimated total of around 249 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.Should you favor a climate that's both dry and comfortably warm, January, February and March typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Saint Lucia, check out our Saint Lucia's climate page.
Saint Lucia Temperature in May
Min Temperature
25°C (77°F)
Max Temperature
31°C (88°F)
Chance of Rain
51%
Precipitation
60 mm (2.4 in)
Rainy days
15 days
Humidity
76%
Sunshine
249 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Saint Lucia typically stay consistent throughout May, with daily highs averaging around 31°C (88°F). Nights are warm, with lows around 25°C (77°F).
Average temperatures in May
Historical weather for Saint Lucia in May
Browse day-by-day weather records for Saint Lucia spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Saint Lucia historical weather extremes in May
The extremes listed below come from historical weather data collected in Saint Lucia from 1976 through 2026.
- The warmest day in May was on May 2, 2015, with a maximum of 39°C (102°F).
- The lowest daytime temperature in May was 25°C (77°F), recorded on May 10, 1986.
- The lowest overnight temperature recorded in May was 20°C (68°F) (May 12, 1979).
Best Places in Saint Lucia in May
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 May →
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What to Wear in Saint 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. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Saint Lucia in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Saint Lucia, check out our Saint Lucia's climate page.
Temperature Rainfall Sunshine Humidity
See the full Saint Lucia climate overview or explore weather in Saint Lucia.
