December weather forecast
Saint-Leu, Reunion

Engulfed in the classic summer feel, December turns out to be another wet month for Saint-Leu. The average rainfall escalates to 143mm (5.63"), soaking the city for around 17 days. Accompanying the showers, the sea temperature closes the year pleasantly at 26.7°C (80.1°F). On the cusp of the festive season, extended daylight and warmth adds to the city's vibrant holiday spirit. Despite the intermittent showers, December remains one of the peak tourist periods in Saint-Leu.

Temperature

The peak of Saint-Leu's temperatures is noted during January through March and December, averaging a high-temperature of 27°C (80.6°F).

Rainfall

In Saint-Leu, in December, during 17 rainfall days, 143mm (5.63") of precipitation is typically accumulated. In Saint-Leu, Reunion, during the entire year, the rain falls for 189 days and collects up to 1491mm (58.7") of precipitation.

Sea temperature

In December, the average sea temperature is 26.7°C (80.1°F).
Note: Water temperatures between 25°C (77°F) and 29°C (84.2°F) are regarded as very warm, ensuring all water activities are pleasurable for extended periods without feeling uneasy.

Daylight

December has the longest days of the year, with an average of 13h and 24min of daylight.
On the first day of December in Saint-Leu, sunrise is at 05:28 and sunset at 18:47. On the last day of the month, sunrise is at 05:39 and sunset at 19:03 +04.

Sunshine

The months with the most sunshine are January, February, September through December, with an average of 7h of sunshine.

UV index

The months with the highest UV index are January through March, November and December, with an average maximum UV index of 12. A UV Index reading of 11, and higher, represents an extreme threat to health from unsafe exposure to UV radiation for the average person.
Note: The maximum daily UV index, 12 in December, converts into the following recommendations:
Ensure every key safety measure. People with light skin might sustain burns in fewer than 5 minutes. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Sunscreen with an SPF of 30 or higher should be applied generously and frequently reapplied even on cloudy days, especially after each swim or outdoor workout. Heads up! UV intensity is amplified by reflections from water and sand.