Impact on Travel and Activities. Metric Value Notes Average Temperature 24°C – 31°C (75°F – 88°F) Consistently warm throughout the month Sea Temperature ~28°C (82°F) Ideal for prolonged swimming and diving Rainfall High (Wet Season) Frequent, short-duration heavy showers Humidity High (~80%) Contributes to the tropical feel Wind and Sea Conditions The prevailing winds in December are the northwest monsoons, which sweep across the Indian Ocean, gathering warmth and moisture.
Seychelles December Snorkelling Conditions Underwater Visibility and Sea Conditions
While the wind can create choppier seas and stronger currents along the more exposed coastlines, it also plays a vital role in maintaining the clarity of the water offshore. This thermal perfection is the primary draw for beachgoers and water sports enthusiasts, providing an environment where the distinction between the two realms dissolves.
These showers are rarely a persistent drizzle; instead, they are sudden, powerful bursts that refresh the air and leave the landscape gleaming. The islands receive substantial rainfall, often manifesting as dramatic, intense downpours that can last for an hour or two.
Seychelles December Snorkelling Conditions Underwater Visibility and Sea Conditions
A typical day unfolds with a clear, cerulean morning, perfect for snorkelling or a hike through Morne Seychellois National Park. December in Seychelles marks the definitive arrival of summer, transforming the archipelago into a sanctuary of intense heat, vivid colours, and dynamic weather patterns.
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