May weather forecastPhilipsburg, Sint Maarten

May
Weather in May
Reaching May, Philipsburg embraces the warmth of summer fully. The sea temperature embraces the heat as well, settling comfortably at 27°C (80.6°F). This escalates the island’s allure for water activities and beach-going. The days extend even further, welcoming more sunshine hours as we move further into the year. However, along with the charisma of the extended sunlight, a substantial increase in rainfall also marks the onset of the wetter phase of the year.Temperature
Philipsburg greets May with a high-temperature average of a still tropical 30°C (86°F), mirroring that of April. May nights cool down to an average low-temperature of 24°C (75.2°F).Rainfall
In Philipsburg, in May, it is raining for 15 days, with typically 95mm (3.74") of accumulated precipitation. Throughout the year, there are 200 rainfall days, and 1000mm (39.37") of precipitation is accumulated.Sea temperature
In Philipsburg, the average seawater temperature in May is 27°C (80.6°F).Note: Water temperatures between 25°C (77°F) and 29°C (84.2°F) are ideal for swimming, diving, and other activities, ensuring comfort and enjoyment for lengthened periods.
Daylight
In May, the average length of the day is 12h and 59min.On the first day of the month, sunrise is at 05:44 and sunset at 18:33. On the last day of May, sunrise is at 05:35 and sunset at 18:44 AST.
Sunshine
The months with the least sunshine are January, February, May through July, September through December, with an average of 8h of sunshine.UV index
March through September, with an average maximum UV index of 12, are months with the highest UV index. A UV Index reading of 11, and higher, represents an extreme threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum high daily UV index of 12 during May translates into the following directions:
Enforce all necessary safety measures, unprotected skin may suffer burns swiftly. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Sunscreen with an SPF of 30 or higher should be applied generously and frequently reapplied even on cloudy days, especially after each swim or outdoor workout. Caution! The Sun's UV intensity grows with reflections off sand and water.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Philipsburg, Sint Maarten
- Average high temperature in May: 30°C
The warmest months (with the highest average high temperature) are June, July, August, September and October (31°C).
The months with the lowest average high temperature are January, February, March and December (29°C).
- Average low temperature in May: 24°C
The months with the highest average low temperature are June, July, August, September and October (25°C).
The coldest months (with the lowest average low temperature) are January, February, March and December (23°C).
Average rainfall in May
Philipsburg, Sint Maarten
- Average rainfall in May: 95mm
The wettest month (with the highest rainfall) is September (129mm).
The driest months (with the least rainfall) are February and March (43mm).
Average rainfall days in May
Philipsburg, Sint Maarten
- Average rainfall days in May: 15 days
The month with the highest number of rainy days is November (21 days).
The month with the least rainy days is April (12 days).
Average sea temperature in May
Philipsburg, Sint Maarten
- Average sea temperature in May: 27°C
The best months for swimming (with the highest average sea temperature) are September and October (29°C).
The coldest months (with the lowest average sea temperature) are January, February, March and April (26°C).
Average daylight in May /
Average sunshine in May
Philipsburg, Sint Maarten
- Average daylight in May: 13h and 0min
The month with the longest days is June (Average daylight: 13h and 12min).
The month with the shortest days is December (Average daylight: 11h and 6min).
- Average sunshine in May: 8h
The months with the most sunshine are March, April and August (Average sunshine: 9h).
The months with the least sunshine are January, February, May, June, July, September, October, November and December (Average sunshine: 8h).
Average UV index in May
Philipsburg, Sint Maarten
- Average UV index in May: 12
The months with the highest UV index are March, April, May, June, July, August and September (UV index 12).
The month with the lowest UV index is December (UV index 7).





