Month by month
| Month | Afternoon | Sea | Rain | Verdict |
|---|---|---|---|---|
| January | 28.6 °C | 26.9 °C | 17 days | Possible, with trade-offs |
| February | 28.8 °C | 27.3 °C | 20 days | Unfavourable season |
| March | 28 °C | 27.1 °C | 20 days | Unfavourable season |
| April | 26.5 °C | 26.3 °C | 17 days | Possible, with trade-offs |
| May | 24.8 °C | 25.1 °C | 14 days | Possible, with trade-offs |
| June | 23.4 °C | 24.1 °C | 12 days | Ideal — one of the best times of year |
| July | 22.7 °C | 23.2 °C | 10 days | Pleasant — a good time to go |
| August | 22.7 °C | 22.6 °C | 10 days | Pleasant — a good time to go |
| September | 23.9 °C | 22.7 °C | 10 days | Pleasant — a good time to go |
| October | 25.4 °C | 23.5 °C | 13 days | Pleasant — a good time to go |
| November | 26.8 °C | 24.6 °C | 11 days | Ideal — one of the best times of year |
| December | 28.1 °C | 26 °C | 15 days | Possible, with trade-offs |
Before you go
Three things to check once you have picked your dates.
Entry
New Caledonia is in the European Union. Entry rules depend on your nationality — check before booking.
Safety
No specific restrictions
Usual precautions apply.
Official advice updated 11 August 2026
Health
Recommended vaccinations, water quality, mosquitoes: advice depends on the country and the season. Some vaccines need time before departure.
Beau Fixe is not a safety or health authority. These notes summarise public advisories and link to their source; only the competent authorities are authoritative. Alert levels: Foreign, Commonwealth & Development Office (gov.uk), Open Government Licence v3.0.
FAQ
Can you swim in Nouméa in August?
The sea averages 22.6°C in August — swimming is possible but brisk.
How hot is Nouméa in August?
Expect 22.7°C in the afternoon and 17.2°C at night, averaged over the last 10 years.
Does it rain a lot in Nouméa in August?
Around 10 days with rain (≥ 1 mm) in the month — 31% of days.