Cupecoy Weather in December
December in Cupecoy averages 28°C (82°F) during the day and 25°C (77°F) at night. The perfect conditions and moderate rainfall make it a solid month to visit.
Rainfall in Cupecoy in December
Historically, the month has about 20 days of rain, averaging 60 mm (2.4 in) in total. Rain is frequent but mostly light this month, with brief showers more common than heavy downpours.
Temperature in Cupecoy in December
Weather in Cupecoy is at its perfect in December. Highs reach 28°C (82°F), while nights settle around 25°C (77°F). Conditions stay fairly consistent through the month, making it easier to plan what to wear. Nights are warm at 25°C (77°F). It's worth making sure your accommodation has decent ventilation or air conditioning.
Sunshine in Cupecoy in December
Expect sunny days throughout the month, with an estimated 248 hours of sunshine. This makes it a pleasant time to visit Cupecoy.
Wind Speed in Cupecoy in December
Wind speeds average 5 m/s (10 knots) during December. 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 December
The water temperature is 27°C (81°F), which most people find very comfortable. A good month for swimming and water sports.If your ideal day consists of dry skies and pleasant temperatures, January, February, March, April, May, June, July and December typically offer the best circumstances for Cupecoy.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Sint Maarten, check out our Cupecoy's climate page.
Cupecoy Temperature in December
Min Temperature
25°C (77°F)
Max Temperature
28°C (82°F)
Water Temperature
27°C (81°F) *
Chance of Rain
67%
Precipitation
60 mm (2.4 in)
Rainy days
20 days
Humidity
77% *
Windspeed
5 m/s (10 knots) *
Sunshine
248 hours *
Percentage Sunshine
71% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Cupecoy typically stay consistent throughout December, with daily highs averaging around 28°C (82°F). Nights are warm, with lows around 24°C (75°F).
Average temperatures in December
Historical weather for Cupecoy in December
Browse day-by-day weather records for Cupecoy spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Cupecoy historical weather extremes in December
According to our 49 years of weather records for Cupecoy, the following extremes were recorded between 1976 and 2025.
- The hottest December day on record in Cupecoy reached 32°C (90°F) (December 1, 1999).
- On December 2, 2005, Cupecoy saw its coldest December day with temperatures maxing out at 25°C (77°F).
- The coldest night in December in Cupecoy was on December 16, 2015, with a minimum of 18°C (64°F).
Best Places in Sint Maarten in December
Find out more about the weather in Sint Maarten and which places have the best travel conditions in this month. See all of Sint Maarten in December →
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What to Wear in Cupecoy in December
Warm temperatures in December 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. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Cupecoy in December
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 Sint Maarten, check out our Cupecoy's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Cupecoy climate overview or explore weather in Sint Maarten.
