December weather forecast

Flag of Seychelles
Flag of Seychelles

Weather in December

December is wet and humid in Seychelles, as the rainy season gathers momentum. The average temperatures remain in the zone of 23.9°C (75°F) to 30°C (86°F), with a significant rise in the heat index.
The average humidity is at the highest of the year at 82%. The average precipitation in Mahe registers 304.8mm (12"), with the number of wet days at 21, the largest during a month. The daily sunshine lasts for 6 hours, but the sunshine is intense whenever the sunrays break out of the clouds. Outdoor excursions are avoidable during afternoons, with the sun's ultraviolet index at the peak of 12.
The average sweater temperatures at 27.8°C (82°F) provide relief from the sticky conditions when the skies are clear. Wind speeds register between 12.6km/h (7.8mph) to 15.3km/h (9.5mph), and fresh breezes are rare. Carry a raincoat for protection from the daily rainfall. Tropical cyclones that originate from the south of the equator occasionally reach the shores of the southern islands. December is a time to avoid a visit to Seychelles.


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