December weather forecast
Mahé, Seychelles

Entering December, subtle changes in weather conditions are experienced in Mahé, Seychelles. There is a slight drop in temperature while the amount of rainfall slightly increases up to 166mm (6.54"). This month experiences more daylight hours compared to previous months. December offers ideal climatic conditions for both relaxation and exploration, making it a fantastic time to visit. The month culminates with pleasant weather fostering a wonderful atmosphere for holiday celebrations.

Temperature

The arrival of December in Mahé brings an average high-temperature of a still moderately hot 28°C (82.4°F), subtly diverging from November's 27.9°C (82.2°F). During the month of December, Mahé identifies an average nighttime low-temperature of 27.2°C (81°F), slightly lower than its daytime counterpart.

Heat index

The heat index value during December is appraised at a hot 32°C (89.6°F). If one continues to be active during enduring exposure, it could result in fatigue and heat cramps.
It is worth noting that heat index values are gauged for conditions in the shade and light breezes. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', combines air temperature and relative humidity to represent a human perceived temperature equivalent. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are quite important for children. Kids are usually more vulnerable than adults, given their lesser sweating ability. Along with their larger skin surface relative to their small stature and the excess heat due to their activity, their risk is amplified.

Humidity

The average relative humidity in December is 76%.

Rainfall

In Mahé, Seychelles, during December, the rain falls for 21.8 days and regularly aggregates up to 166mm (6.54") of precipitation. In Mahé, during the entire year, the rain falls for 241.9 days and collects up to 1432mm (56.38") of precipitation.

Sea temperature

In Mahé, the average seawater temperature in December is 28.2°C (82.8°F).
Note: Surface water temperatures ranging from 25°C (77°F) to 29°C (84.2°F) are seen as ideal and highly pleasant for extended enjoyment in all water activities.

Daylight

With an average of 12h and 24min of daylight, December has the longest days of the year in Mahé, Seychelles.
On the first day of the month, sunrise is at 05:55 and sunset at 18:18. On the last day of December, sunrise is at 06:09 and sunset at 18:32 +04.

Sunshine

In Mahé, Seychelles, the average sunshine in December is 8.4h.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: In December, the maximum UV index of 7 suggests this advice:
Resist overexposure. Safeguarding from solar damage is indispensable. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Notice! The reflection of water and sand increases the UV radiation significantly.