Weather in St Martin in December

So you're interested in going to St Martin in December

December is a hot and very rainy time for sunbathing in St Martin. December is an excellent month for swimming in St Martin with very warm sea temperatures. Consider visiting St Martin in the months of April, June, August, September, for the best beach weather. Also consider one of our other suggestions for December.

Temperature in St Martin in December

The average maximum temperature in St Martin in December is 28°. The average maximum temperature is 30° in the previous month and 28° in the next month.

The average temperature in St Martin in December is 26°. The average temperature ranges is 27° in the previous month and 26° in the next month.

The average minimum temperature in St Martin in December is 24°. The minimum temperature is 25° in the previous month and 23° in the next month.

Sunshine in St Martin in December

The average day light hours per day in St Martin in December are 11.1 and there are 6.6 hours of sunshine per day on average during December making it a quite sunny month with some cloud cover.

The ultraviolet index in St Martin in December is typically 7.6 during December. An ultraviolet index reading of 8 to 10 indicates a very high risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 15 minutes. Take extra precautions because unprotected skin and eyes will be damaged and can burn quickly. Tanning will be safest before 10am and after 4pm but only with a good application of sun screen. For those with sensitive skin stay in the shade and wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days. Watch out for relections from water that may increase ultraviolet exposure.

Sea Temperature in St Martin in December

The average sea water temperature in St Martin in December is 27° which is very warm and ideal for relaxing and swimming for the whole day.

Rainfall in St Martin in December

The average total rainfall in St Martin in December is 1.8cm and on average there are 20.1 rainy days in December making it a very wet time to visit the beach.

Humidity in St Martin in December

The maximum dew point (an indicator of humidity) in St Martin in December is 22° which is very humid and quite uncomfortable for most unless you are on a beach. At night you would most likely require a fan. The dew point is 23° in the previous month and 21° in the next month.

The average maximum relative humidity in St Martin in December is typically 82.8%. The maximum relative humidity is 82.5% in the previous month and 82% in the next month.

The average relative humidity in St Martin in December is typically 72%. The average relative humidity is 73.1% in the previous month and 72.2% in the next month.

Wind Speed in St Martin in December

The average maximum wind speed in St Martin in December is typically 25kmh. The average maximum wind speed is 24kmh in the previous month and 26kmh in the next month.

The average wind speed in St Martin in December is typically 16kmh. The average wind speed is 14kmh in the previous month and 17kmh in the next month.

The average wind direction in St Martin in December is from the East.

Monthly Averages

Suggested Beaches in December

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