Happy Bay Weather in May
May in Happy Bay brings high temperatures, with daytime highs of 28°C (82°F) and nights around 26°C (79°F). Quite a bit of rainfall is expected, around 73 mm (2.9 in), so pack an umbrella.
Rainfall in Happy Bay in May
You can typically expect 15 days of rain this month, averaging around 73 mm (2.9 in). With rain spread across many days but low totals, showers are typically short and light rather than heavy.
Temperature in Happy Bay in May
Happy Bay in May has perfect weather. Days reach 28°C (82°F) and nights cool to 26°C (79°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. Nights are warm at 26°C (79°F). It's worth making sure your accommodation has decent ventilation or air conditioning.
Sunshine in Happy Bay in May
The city usually sees around 250 hours of sunlight, indicating many sunny days — a great month for sightseeing.
Wind Speed in Happy Bay 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
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 favor pleasant temperatures and minimal rainfall, May is one of the best months 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 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 Happy Bay 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 Happy Bay in May
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 May
Based on 45 years of weather observations (1981-2026), these are the most extreme conditions recorded in Happy Bay.
- On May 9, 1993, temperatures climbed to 34°C (93°F), marking the warmest May day on record.
- The lowest daytime temperature in May was 25°C (77°F), recorded on May 11, 1986.
- The lowest overnight temperature recorded in May was 20°C (68°F) (May 11, 1986).
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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unpleasant
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What to Wear in Happy Bay in May
Warm but pleasant conditions in Happy Bay in May. 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. With water temperatures around 27°C (81°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Happy Bay 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 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.
