Saint Martin Weather in May
May in Saint Martin sees daytime temperatures around 28°C (82°F) and lows of 26°C (79°F) at night. With around 74 mm (2.9 in) of rainfall expected, it's worth packing a rain jacket.
Rainfall in Saint Martin in May
Records from the past 30 years suggest around 15 days of rain, with 74 mm (2.9 in) average 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 Martin in May
Saint Martin has perfect weather in May, with days reaching 28°C (82°F) and nights cooling to 26°C (79°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. Nights stay warm at around 26°C (79°F), so light bedding and good ventilation are worth thinking about.
Sunshine in Saint Martin in May
With approximately 250 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.
Wind Speed in Saint Martin in May
Wind speeds average 5 m/s (10 knots) during May. At this speed, gentle to moderate breezes make small trees sway and the wind creates whitecaps on water bodies. Daily variations range from moderate winds to stronger breezes, creating excellent conditions for sailing, kite flying and wind sports.
Average water temperature in May
At 27°C (81°F), the water is warm and comfortable for swimming. Most people find this temperature ideal for spending longer periods in the water.If you're inclined towards comfortable temperatures and drier conditions, May is a good time to visit Saint Martin.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Saint Martin, check out our Saint Martin's climate page.
Saint Martin Temperature in May
Min Temperature
26°C (79°F)
Max Temperature
28°C (82°F)
Water Temperature
27°C (81°F) *
Chance of Rain
50%
Precipitation
74 mm (2.9 in)
Rainy days
15 days
Humidity
77% *
Windspeed
5 m/s (10 knots) *
Sunshine
250 hours *
Percentage Sunshine
65% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Saint Martin typically stay consistent throughout May, with daily highs averaging around 28°C (82°F). Nights are warm, with lows around 26°C (79°F).
Average temperatures in May
Historical weather for Saint Martin in May
Browse day-by-day weather records for Saint Martin spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Saint Martin historical weather extremes in May
The extremes listed below come from historical weather data collected in Saint Martin from 1981 through 2026.
- Saint Martin recorded its highest May temperature of 34°C (93°F) on May 9, 1993.
- The coldest May day was on May 11, 1986, with a maximum of 25°C (77°F).
- Saint Martin registered its coldest May night on May 11, 1986, with temperatures dropping to 20°C (68°F).
Best Places in Saint Martin in May
Find out more about the weather in Saint Martin and which places have the best travel conditions in this month. See all of Saint Martin in May →
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What to Wear in Saint Martin 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. With water temperatures around 27°C (81°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Saint Martin 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 Martin, check out our Saint Martin's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Saint Martin climate overview or explore weather in Saint Martin.
