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A tropical climate  

New Caledonia is situated in the inter-tropical zone, just north of the Tropic of Capricorn.  Geographically isolated and subject to the trade winds, it enjoys a relatively temperate climate known as « Tropical Ocean».  It is characterised by local breezes and easterly winds which don’t tend to penetrate into some of the well-protected harbours. 

The two main seasons are separated by two shoulder seasons:

  • From mid-November to mid-April :  a hot and humid season, known as the “Cyclone Season”.  The Inter-Tropical Convergence Zone (ITCZ) is situated around the 15th parallel South.  Depressions deepen here, sometimes turning into cyclones.
  • From mid-April to mid-May : a transitional season.  The ITCZ moves northwards.  Tropical disturbances are rare and not very active.  Rainfall decreases, as does the air temperature.
  • From mid-May to mid-September :  the « fresh » season.  The ITCZ reaches the northern hemisphere.  Polar disturbances frequently travel across the Tasman Sea and often reach New Caledonia, giving rise to the « Westerlies ».  The air temperature drops to its annual minimum. 
  • From mid-September to mid-November :  a second intermediate season, dry and sunny.  The ITCZ crosses back across the equator, the temperature gradually increases, rainfall is at its annual low.  The trade winds are present almost permanently.

Graphique des températures et précipitations

To know more

A summer’s day in Noumea  

It’s often very calm at the beginning (and the end) of the day as the sun doesn’t generate enough warmth to stir the air.  If no weather front is forecast, then the sky will remain clear. Read more