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Weather and seasons

in New Caledonia

Whether you visit New Caledonia during the hot season or the cool season, you’re in for a treat with its semi-tropical climate, offering delightful temperatures and plenty of sunshine.

Seasons in New Caledonia

New Caledonia experiences two main seasons, with two shoulder seasons in between.

The southern summer, from December to March, is the hottest period, with temperatures typically exceeding 30°C. This is also the cyclone season, particularly from February onwards, which can bring heavy rain and strong winds. Despite the heat, you can enjoy a refreshing swim in the lagoon.

Cool season

Running from June to September, the cool season sees daytime temperatures ranging from 20 to 25°C. Occasional rainfall is accompanied by westerly winds. The water temperature hovers around 22°C, making it suitable for swimming. Additionally, between mid-June and mid-September, you can witness humpback whales calving in the lagoon, making it an ideal time for whale watching.


Between these distinct seasons, New Caledonia experiences more temperate inter-seasons. “Caledonian spring,” from October to November, is one of the most beautiful times of the year. It’s characterised by dry, sunny weather, minimal rainfall, and gradually rising temperatures.

Temperatures in New Caledonia

Throughout the year, the average temperature hovers around 23°C in the shade. Unless you’re in the Mountains, you won’t need warm clothing during your stay in New Caledonia. However, hikers should be aware that between June and September, nighttime temperatures in elevated areas of the Central Mountain Range can drop to around 0°C. So, it’s advisable to dress warmly. The cooler season is perfect for exploring the numerous trails in major provincial parks, primarily in the south and north of Grande Terre. Keep in mind that the sun continues to shine, so staying hydrated is crucial whether you’re hiking or horseback riding.

Sunshine and rainfall in New Caledonia

Temperature and rainfall in Nouméa
Average minimum temperature (°C)23.223.422.821.419.818.517.217.217.719.210,721.9
Average temperature (°C)26.326.525.624.122.521.119.92020.822.423,925
Average maximum temperature (°C)29.429.628,526.925.223.722.622.823.825.52728,2
Precipitation (mm)112.9123.1134.6110.590.6128,77370.

Source: New Caledonia meteorological service meteo.nc

On average, New Caledonia experiences only about 20 days per year with no sunshine. As for rainfall, Grande Terre averages 1,700 mm/year, with the east side receiving nearly double the rainfall compared to the west.

Gentle trade winds

Thanks to its location in the Southern Hemisphere, New Caledonia benefits from cool winds primarily blowing from the southeast and east. These winds not only contribute to the mild climate but also make it an ideal destination for various sports activities. Watersports enthusiasts, such as windsurfers and kitesurfers, can enjoy their activities year-round in the clear waters of the Caledonian lagoon. Aerial activities like paramotoring, paragliding, microlight flights, helicopter flights and skydiving are all available from January to December, provided that the winds remain moderate.

Frequently asked questions about the climate in New Caledonia
  • Is there a risk of cyclones?

    New Caledonia is not exempt from cyclonic phenomena or active depressions. It affects the territory very randomly, but most of them occur between February and April. During these episodes, sports activities are obviously not recommended and sometimes forbidden, depending on the degree of alert in progress. During these periods, please follow any instructions you may be given.

  • When is the best time to travel to New Caledonia?

    New Caledonia enjoys a temperate, sunny climate all year round. Don’t worry, you’ll make the most of your trip to New Caledonia, whatever the season. However, the dry period in October and November promises exceptionally sunny weather and pleasant temperatures without excessive heat.