Nouméa weather by month
The best time to visit Nouméa is September to November — 90/100 in September, 23°C and 7 rainy days. The best season is the dry season, May to November (85/100 on average).
The worst month is April at 73/100 — hot, soaked, clean air. See April →
Updated September 2026 · climate normals from ERA5 reanalysis
Best season: May to November (85/100 on average) · worst April (73/100)
- Days
- 23°C
- Nights
- 18°C
- Wet days
- 7
- Sun
- 10.3 h
- Humidity
- 76%
- Daylight
- 12 h
Nouméa, month by month
Comfort score out of 100 for the kind of trip Nouméa is best for, the average high, rainy days and hours of sun a day from the climate normals, and how busy it tends to be.
What's on in Nouméa through the year
Festivals, natural spectacles, holidays and the seasons to watch out for — curated and sourced. The month pages carry the detail.
Crowds in Nouméa in September
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
BusyNew Caledonia Day, school holidays in 3 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet
Good to know before you go to Nouméa
Real experiences from travellers' own write-ups, quoted with a link to the original.
Health
A travel-tips guide to New Caledonia flags that Noumea sees frequent dengue fever outbreaks, spread by mosquitoes that bite during the day as well as at night, unlike malaria-carrying species. Their advice: use a repellent with 20-30% DEET or 20% picaridin and reapply it consistently throughout the day rather than just at dusk, since daytime exposure at outdoor markets or beaches is a real transmission risk here, not just evening activity.
Traveller notes on Nouméa
What people who have been say about the place — the year-round notes first, then month by month.
Forum posters describe May as the start of New Caledonia's cooler season (roughly May through October), a real change from the hotter, more humid November-through-April stretch that runs closer to 30C. Posters cite typical May daytime temperatures not far above 20C, with sunny days occasionally reaching around 25C, and water staying warm enough (never below 21C) that swimming and diving remain fully comfortable regardless. Posters describe May as slow season for tourism, meaning accommodation is easy to book on short notice and boats out to the Île des Pins are rarely full. Posters generally rate May as a comfortable, uncrowded time to visit Noumea, cooler and drier than peak summer without sacrificing swimmable water temperatures.
Forum posters name the September-through-December stretch as New Caledonia's peak window, describing November specifically as mild, dry and less humid than the hot season that follows from December onward. Posters consistently rate this shoulder period as more comfortable than the full heat of the November-to-April hot season, with one visitor describing the local weather as warm, humid and sometimes windy but absolutely beautiful overall. Posters generally recommend packing sunscreen and reef shoes for the warm, swimmable water regardless of exact dates. Posters consistently rate November as one of the better months to visit Noumea, ahead of the hotter, more humid peak of summer.
Add your own note from Nouméa's card on the map.