Cosmoledo
Island Remote coral atoll in Seychelles known for seabirds
Cosmoledo Atoll in the Outer Seychelles is a remote coral atoll known to visitors for seabird colonies, turtle nesting and bluewater diving on reefs and wrecks.
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How to Get to Cosmoledo #
Access is by private yacht or specially arranged charter flights from Mahé, with strict permits and coordination with Seychelles authorities; the atoll is remote and visitor numbers are tightly controlled.
Tips for Visiting Cosmoledo #
- Organize sea transport with local operators experienced in outer-reef navigation; weather windows are crucial.
- Bring snorkel gear and reef-safe sunscreen; marine life is abundant but fragile.
- Respect local conservation rules and avoid anchoring on reefs.
Best Time to Visit Cosmoledo #
The dry season (May-October) is generally best for sea conditions and marine visibility.
Dry Season
May-Oct · 24-30°C
Calmer seas and clearer underwater visibility for snorkeling and diving.
Wet Season
Nov-Apr · 24-31°C
Higher rainfall and potential for rougher seas; fewer tourists but less predictable conditions.
Weather & Climate near Cosmoledo #
Climate
Temperature & Rainfall
Temperature Range
30°
Warmest Month
23°
Coldest Month
Monthly Conditions
January
Weather
2.7
UV Index
Extreme
12.5h daylight
February
Weather
2.9
UV Index
Extreme
12.3h daylight
March
Weather
2.8
UV Index
Extreme
12.0h daylight
April
Weather
2.4
UV Index
Extreme
11.8h daylight
May
Weather
2.1
UV Index
Extreme
11.6h daylight
June
Weather
1.9
UV Index
Very High
11.5h daylight
July
Weather
2.0
UV Index
Very High
11.5h daylight
August
Weather
2.3
UV Index
Extreme
11.7h daylight
September
Weather
2.6
UV Index
Extreme
11.9h daylight
October
Weather
2.8
UV Index
Extreme
12.2h daylight
November
Weather
2.8
UV Index
Extreme
12.4h daylight
December
Weather
2.8
UV Index
Extreme
12.5h daylight
