Happy Bay Weather in December
With daytime temperatures of 28°C (82°F) and nighttime lows of 25°C (77°F), December in Happy Bay brings high temperatures during the day. The excellent weather makes it an appealing time to visit.
Rainfall in Happy Bay in December
Based on our climate data of the past 30 years, about 20 days of rain are anticipated, with 60 mm (2.4 in) on average. Rain is frequent but mostly light this month, with brief showers more common than heavy downpours.
Temperature in Happy Bay in December
The temperature in Happy Bay in December is excellent. Daytime highs reach 28°C (82°F), with nights dropping to 25°C (77°F). Conditions stay fairly consistent through the month, making it easier to plan what to wear. With overnight lows of 25°C (77°F), evenings and nights remain warm. Light clothing and an open window or fan can help you sleep comfortably.
Sunshine in Happy Bay in December
With approximately 248 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.
Wind Speed in Happy Bay in December
Average wind conditions reach 5 m/s (10 knots) in December. 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 December
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.If you're inclined towards comfortable temperatures and drier conditions, December is a good time to visit Happy Bay.
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 Happy Bay's climate page.
Happy Bay 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 Happy Bay 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 Happy Bay in December
Browse day-by-day weather records for Happy Bay spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Happy Bay historical weather extremes in December
Our historical data for Happy Bay spans 1976 to 2025, revealing these weather extremes.
- Happy Bay recorded its highest December temperature of 32°C (90°F) on December 1, 1999.
- The lowest daytime temperature in December was 25°C (77°F), recorded on December 2, 2005.
- Nighttime temperatures dropped to 18°C (64°F) on December 3, 2011, marking the coldest December night on record.
Best Places in Saint Martin in December
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 December →
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What to Wear in Happy Bay in December
Warm but pleasant conditions in Happy Bay in December. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Wet weather is likely, so pack waterproof gear for multiple rainy days. 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. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Happy Bay 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 Saint Martin, check out our Happy Bay's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Happy Bay climate overview or explore weather in Saint Martin.
