what is the weather in st martin
Weather in St Martin in December. The average maximum daytime temperature in St Martin in December is a warm 29Â°C (84Â°F) with high heat & humidity. There are usually 8 hours of bright sunshine each day, which represents 71% of the 11 hours of daylight. The average sea temperature in and around St Martin in December is 27Â°C (81Â°F).