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

  • Temperature
    Min: 24 ̊C
    Max: 30 ̊C

    Wind
    Northwest
    Monsoon Winds

    Breeding
    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 weather

    Average Rainfall
    260mm

    Underwater visibility
    Good

  • Temperature
    Min: 25 ̊C
    Max: 31 ̊C

    Wind
    Northwest
    Monsoon Winds

    Breeding
    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 weather

    Average Rainfall
    170mm

    Underwater visibility
    Good

  • Temperature
    Min: 25 ̊C
    Max: 31 ̊C

    Wind
    Northwest
    Monsoon Winds

    Breeding
    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 weather

    Average Rainfall
    150mm

    Underwater visibility
    Very clear

  • Temperature
    Min: 25 ̊C
    Max: 33 ̊C

    Wind
    Change in the winds

    Breeding
    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 weather

    Average Rainfall
    90mm

    Underwater visibility
    Very clear

  • Temperature
    Min: 26 ̊C
    Max: 32 ̊C

    Wind
    South East Trade winds

    Breeding
    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 sun

    Average Rainfall
    90mm

    Underwater visibility
    Medium

  • Temperature
    Min: 25 ̊C
    Max: 29 ̊C

    Wind
    South East Trade winds

    Breeding
    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, dry

    Average Rainfall
    8    0mm

    Underwater visibility
    Medium

  • Temperature
    Min: 25 ̊C
    Max: 28 ̊C

    Wind
    South East Trade winds

    Breeding
    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 precipitation

    Average Rainfall
    30mm

    Underwater visibility
    Medium to poor

  • Temperature
    Min: 25 ̊C
    Max: 28 ̊C

    Wind
    South East Trade winds

    Breeding
    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 precipitation

    Average Rainfall
    60mm

    Underwater visibility
    Medium to poor

  • Temperature
    Min: 25 ̊C
    Max: 29 ̊C

    Wind
    South East Trade winds

    Breeding
    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 wetter

    Average Rainfall
    120mm

    Underwater visibility
    Medium

  • Temperature
    Min: 25 ̊C
    Max: 30 ̊C

    Wind
    South East Trade winds

    Breeding
    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 off

    Average Rainfall
    120mm

    Underwater visibility
    Good

  • Temperature
    Min: 25 ̊C
    Max: 31 ̊C

    Wind
    Change in winds

    Breeding
    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 in

    Average Rainfall
    130mm

    Underwater visibility
    Very clear

  • Temperature
    Min: 25 ̊C
    Max: 30 ̊C

    Wind
    Northwest
    Monsoon winds

    Breeding
    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 day

    Average Rainfall
    250mm

    Underwater visibility
    Good