St. Maarten’s average high temperature and rainfall in March. © Scott S. Bateman

St. Maarten weather in March is usually sunny and warm. The risk of rain is lower than average.

St. Maarten, a Caribbean island rich in both French and Dutch cultures, is as well known for its beaches as it is for its weather. Cruise and hotel visitors usually find pleasant beach weather during March.

St. Maarten Temperatures in March

The average high temperature for St. Maarten in March is 85 degrees Fahrenheit or about 29 Celsius, according to the St. Maarten Meteorological Department. The average low temperature is 75 degrees Fahrenheit or 24 Celsius.

The average highs usually take place during the day. The average lows often occur at night.

The warmest temperatures take place in mid afternoon.

Trade winds cool the island and make warmer temperatures feel more pleasant. But they also make swimming more chilly during the winter and early spring, especially in the mornings. St. Maarten weather in March is usually warm enough to avoid uncomfortably cold seawater for swimmers.

The island has the highest temperatures in the summer months of July, August and September. During these months, temperatures can reach the high 80s Fahrenheit or about 30 Celsius.

The lowest temperatures throughout the year fall in January and February.

In March, the average seawater temperature in St. Maarten is in the upper 70s Fahrenheit or mid 20s Celsius.

Because of St. Maarten’s southern Caribbean location, seawater temperatures stay fairly warm throughout the year, ranging about midway between the daytime and nighttime air temperatures.

Rainfall

St. Maarten’s tropical climate is divided into two main seasons. The rainy season runs from June to November and the dry season goes from December to May.

St. Maarten has on average about two inches of rainfall during March, according to the St. Maarten Meteorological Department. Most of this rain occurs in the form of sporadic showers, lasting only a few minutes.

In March, rain in St. Maarten is most likely to occur in the morning. It is least likely to occur in the afternoon, which is good news for beachgoers.

The island has an average 45 inches of rainfall per year. Most of this rain falls during the rainy season.

During some months of the rainy season, the amount of rainfall can reach as much as five inches per month or more than twice as much as March.

The rainfall increases during these months because of the arrival of tropical storms and hurricanes during the annual Caribbean hurricane season.

• St. Maarten weather in: January - February - March - April - May - June - July - August - September - October - November - December

Should I Visit St. Maarten in March?

The weather in St. Maarten in March is pleasantly warm with more chance of sun than rain.

March marks the last month of St. Maarten’s peak tourist season. The island is likely to be busy, but less so than January, according to the Caribbean Tourism Organization.

March is an excellent time to visit St. Maarten for pleasant weather. Late March is better than early in the month for beachgoers because of warmer temperatures.