Cousine Island Eco Calendar
Year Round
Weather Patterns, Activities, Bird & Animal Life
Seychelles Blue Pigeon, Seychelles Sunbird, Seychelles Fody (Tok-Tok), Seychelles Warbler, Seychelles Magpie-Robin, White-tailed Tropicbird, Fairy Tern, Tropical Shearwater, and Giant Tortoises roaming free on the island.
This information is provided as a guidance tool and does not guarantee any of the weather or breeding conditions, as these may vary according to ecological & climate changes
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Temperature
Min: 24 ̊C
Max: 30 ̊CWind
Northwest
Monsoon WindsBreeding
Hawksbill turtles nesting and hatchlings emerging.Fairy tern and white-tailed tropicbird breeding.Recommendation
Very high chance of seeing nesting turtles and hatchlings. Diving and snorkeling quality dependent on weather.Sea/weather
Lively sea, wet and humid weatherAverage Rainfall
260mmUnderwater visibility
Good -
Temperature
Min: 25 ̊C
Max: 31 ̊CWind
Northwest
Monsoon WindsBreeding
Hawksbill hatchlings emerging.Fairy tern and White-tailed Tropicbird breeding.Recommendation
Ideal for all water activities incl. diving/snorkelling.
High chance of seeing turtle hatchlings.Sea/weather
Calm to lively sea, wet and humid weatherAverage Rainfall
170mmUnderwater visibility
Good -
Temperature
Min: 25 ̊C
Max: 31 ̊CWind
Northwest
Monsoon WindsBreeding
Hawksbill hatchlings emerging.Fairy tern and White-tailed Tropicbird breeding.Recommendation
Ideal for all water activities incl. diving/snorkelling.
High chance of seeing turtle hatchlings.Sea/weather
Calm sea, less rain and warmer weatherAverage Rainfall
150mmUnderwater visibility
Very clear -
Temperature
Min: 25 ̊C
Max: 33 ̊CWind
Change in the windsBreeding
Hawksbill hatchlings emerging. Fairy tern and White-tailed Tropicbird breeding.Recommendation
Ideal for all water activities incl. diving/snorkeling.
Small chance of seeing the last of the season’s turtle hatchlings.Sea/weather
Calm sea, less rain and warmer weatherAverage Rainfall
90mmUnderwater visibility
Very clear -
Temperature
Min: 26 ̊C
Max: 32 ̊CWind
South East Trade windsBreeding
Noddies, Sooty Terns, Fairy terns and White-tailed Tropicbirds breeding.Recommendation
Diving and snorkeling quality dependent on weather.Sea/weather
Calm to lively sea, slightly cooler weather with lots of sunAverage Rainfall
90mmUnderwater visibility
Medium -
Temperature
Min: 25 ̊C
Max: 29 ̊CWind
South East Trade windsBreeding
Noddies, Sooty Terns, Fairy terns and White-tailed Tropicbirds breeding.Recommendation
Ideal for bird watching. Diving and snorkeling quality dependent on weather.Sea/weather
Lively sea, cool and windy, dryAverage Rainfall
80mmUnderwater visibility
Medium -
Temperature
Min: 25 ̊C
Max: 28 ̊CWind
South East Trade windsBreeding
Noddies, Sooty Terns, Fairy terns and White-tailed Tropicbirds breeding.Recommendation
Ideal for bird watching. Diving and snorkeling quality dependent on weather.Sea/weather
Lively sea, still cool and windy with a little precipitationAverage Rainfall
30mmUnderwater visibility
Medium to poor -
Temperature
Min: 25 ̊C
Max: 28 ̊CWind
South East Trade windsBreeding
Noddies, Sooty Terns, Fairy terns and White-tailed Tropicbirds breeding.Recommendation
Ideal for bird watching. Diving and snorkeling quality dependent on weather and clarity of water.Sea/weather
Lively sea, still cool with slightly more precipitationAverage Rainfall
60mmUnderwater visibility
Medium to poor -
Temperature
Min: 25 ̊C
Max: 29 ̊CWind
South East Trade windsBreeding
Hawksbill turtles begin nesting.
Noddies, Sooty Terns, Fairy terns and White-tailed Tropicbirds breeding.Recommendation
Possibility of encountering a nesting Hawksbill turtle. Diving and snorkeling quality dependent on weather and clarity of water.Sea/weather
Lively sea, weather getting slightly warmer and wetterAverage Rainfall
120mmUnderwater visibility
Medium -
Temperature
Min: 25 ̊C
Max: 30 ̊CWind
South East Trade windsBreeding
Hawksbill turtles nesting.
Fairy terns and White-tailed Tropicbirds breeding.Recommendation
Possibility of encountering a nesting Hawksbill turtle. Good for diving and snorkeling.Sea/weather
Calm to lively sea with the wind starting to ease offAverage Rainfall
120mmUnderwater visibility
Good -
Temperature
Min: 25 ̊C
Max: 31 ̊CWind
Change in windsBreeding
Hawksbill turtles nesting.
Fairy terns and White-tailed Tropicbirds breeding.Recommendation
Very high chance of seeing nesting Hawksbill turtles.Ideal for all water activities incl. diving/snorkeling.Sea/weather
Calm sea, getting warmer and wetter as the rains set inAverage Rainfall
130mmUnderwater visibility
Very clear -
Temperature
Min: 25 ̊C
Max: 30 ̊CWind
Northwest
Monsoon windsBreeding
Hawksbill turtles nesting and hatchlings begin emerging.
Fairy tern and White-tailed Tropicbird breeding.Recommendation
Very high chance of seeing nesting Hawksbill turtles and possibly hatchlings.
Diving and snorkeling quality dependent on weather.Sea/weather
Calm sea, generally wet and humid but not usually raining all dayAverage Rainfall
250mmUnderwater visibility
Good