Weather in Nouméa in January
New Caledonia · 20-year averages, January
A good month. January works. It is not the peak, but nothing about it fights you. You should expect rain on 15 days of the month, which is more days wet than dry.
January ranks 9 of 12 in Nouméa: past the worst of the year but short of September, which is the month to book if the dates are open.
Rain on 15 days, 3 of them heavy. Enough to need a plan B, not enough to need a plan around it. Nothing specialised needed — this is the month you pack for the trip rather than for the weather.
What the averages hide
Averages flatten a month, and this one hides a few things: it never really gets hot: not one day in an average January reaches 30 °C; the day barely swings — 1.5 °C between the overnight low and the afternoon high. Across the twenty years measured, the hottest January day reached 30.1 °C and the coldest night fell to 22.5 °C, and the wettest single day dropped 94 mm — roughly 85% of the month's rain in one day.
January is moderately variable: 22 mm in the driest year against 324 mm in the wettest, around an average of 110 mm. Roughly two Januarys in three land near that average, and the third does something else entirely.
Wind sits around 19.8 km/h — a steady breeze rather than a nuisance, and welcome on the warmer days, and humidity runs at 79%, high enough to notice on the warm days without dominating them.
How January sits in the year
Temperatures hold steady either side: 25.8 °C in December, 26.6 here, 27.2 in February. Nothing about the timing within the month matters much.
Daylight in January
January is at or near the longest days of Nouméa's year: 13.4 hours of daylight, holding steady all month. Evenings are the real gain — dinner outdoors still happens in full light.
Sea temperature
The sea sits at about 26.3 °C in January — warm enough to stay in as long as you like. This is the warmest the water gets all year.
How busy it gets
Shoulder. The value months — prices ease off and you get the place closer to itself.
Crowd levels are estimated from climate desirability and school-holiday calendars, not from visitor numbers.
January in Nouméa versus nearby
If Nouméa is one option among several, the nearby comparison is worth making. Port-Vila is the weaker option in January — within a degree on temperature, 5 days more rain. Nadi is the weaker option in January — 3.3 °C warmer, 8 days more rain.
So: January works, with September the better month by 14 points if the dates can move. If they cannot, nothing here should stop you booking.
Every month in Nouméa
| Month | High °C | Low °C | Rain days | Rain mm | Humidity % | Daylight h | Sea °C | Score |
|---|---|---|---|---|---|---|---|---|
| January | 26.6 | 25.1 | 15 | 110 | 79 | 13.4 | 26.3 | 72 |
| February | 27.2 | 25.8 | 16 | 99 | 80 | 12.8 | 26.9 | 69 |
| March | 26.7 | 25.4 | 19 | 161 | 80 | 12.3 | 26.8 | 65 |
| April | 25.6 | 24.3 | 15 | 104 | 78 | 11.6 | 25.9 | 72 |
| May | 24.1 | 22.9 | 14 | 94 | 76 | 11.1 | 25 | 75 |
| June | 22.9 | 21.6 | 12 | 80 | 75 | 10.8 | 23.9 | 78 |
| July | 21.8 | 20.5 | 12 | 68 | 73 | 10.9 | 22.9 | 79 |
| August | 21.6 | 20.1 | 9 | 58 | 74 | 11.3 | 22.4 | 83 |
| September | 22.2 | 20.6 | 8 | 42 | 74 | 11.9 | 22.5 | 86 |
| October | 23.3 | 21.6 | 8 | 41 | 76 | 12.6 | 23.1 | 86 |
| November | 24.3 | 22.6 | 9 | 65 | 76 | 13.2 | 24 | 84 |
| December | 25.8 | 24.1 | 12 | 78 | 78 | 13.5 | 25.3 | 78 |
See all twelve months in Nouméa, or where else to go in January.
Planning the rest of the trip
- Flight time to Nouméa how long you are actually in the air
- Nouméa time zone and the difference from home
- Days until your trip count down to the departure date
- Gyms & clubs in Nouméa keep training while you are there