Cul de Sac Weather in May
With daytime temperatures of 28°C (82°F) and nighttime lows of 26°C (79°F), May in Cul de Sac brings high temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 73 mm (2.9 in) falls on average.
Rainfall in Cul de Sac in May
Typically, about 15 days will experience rainfall, with an average of 73 mm (2.9 in) for the month. With rain spread across many days but low totals, showers are typically short and light rather than heavy.
Temperature in Cul de Sac in May
May in Cul de Sac is generally perfect, with days reaching 28°C (82°F) and nights settling around 26°C (79°F). This kind of day-to-night contrast is typical for this time of year. With lows around 26°C (79°F), the nights are warm enough that a sheet is usually all you need for bedding.
Sunshine in Cul de Sac 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 Cul de Sac in May
Average wind conditions reach 5 m/s (10 knots) in May. This creates lively weather with fresh winds that make small trees sway noticeably. Remember this is an average: some days are less windy while others have particularly active windy conditions.
Average water temperature in May
With water at 27°C (81°F), you can expect warm, pleasant conditions for any water activity. There's no adjustment period — it feels comfortable straight away.Our weather planner can help you find worldwide destinations with pleasant weather during this period. January, February, March, April, May, June, July and December typically offer the best weather for Cul de Sac.
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 Cul de Sac's climate page.
Cul de Sac 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
73 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 Cul de Sac 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 Cul de Sac in May
Browse day-by-day weather records for Cul de Sac spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Cul de Sac historical weather extremes in May
Based on weather observations in Cul de Sac between 1981 and 2026, these are the recorded extremes during May.
- Cul de Sac recorded its highest May temperature of 34°C (93°F) on May 9, 1993.
- The lowest daytime temperature in May was 25°C (77°F), recorded on May 11, 1986.
- Cul de Sac 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 Cul de Sac in May
Warm weather calls for comfortable, breathable clothing in May. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Rain is likely on several days, so bring a good rain jacket. Expect water temperatures of around 27°C (81°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Cul de Sac 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 Cul de Sac's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Cul de Sac climate overview or explore weather in Saint Martin.
