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.
Re: Water temperatures in St. Maarten. Aug 28, 2008, 3:32 PM. Surface water temps will be warmer in protected bays (82-84) in late May like pinel, and the beach off of Pelican-Flamingo, Divi in little bay and Atrium. Open water temps can be a touch cooler but not to noticable.