1 Longitude: 12310'W. 2  Latitude & Longitude for Vancouver, British Columbia, Canada in decimal degrees: 49.2, -123.2. 3  Altitude/ elevation: 4 m (14 ft).  Campbell River, Bc, Canada - 172.4 kms (107.1 miles) WNW.
St. Maarten Weather. St. Maarten / St. Martin enjoy a tropical climate with hot and sunny weather and refreshing trade winds year-round. The average St. Maarten temperature is 26 degrees Celsius (80 degrees Fahrenheit). There is no specific rainy season as rain showers can occur at any time during the year. Showers, however, are very brief, with sunshine following soon after.
The wettest month in St Maarten is May with 10.3cm of rain and December has the most days of rain with 20.1 days with some rain, a very wet time to visit the beach. The driest month in St Maarten is March with 0.3cm of rain and April has the fewest days of rain with 12.5 days with some rain, a slightly wet time to visit the beach.