Weather in Nouméa in March
New Caledonia · 20-year averages, March
A good month. March works. It is not the peak, but nothing about it fights you. You should expect rain on 19 days of the month, which is more days wet than dry.
March ranks 12 of 12 — near the bottom of Nouméa's year. September is the month that works, and the swing between the two is 21 points, which is a different holiday rather than a slightly better one. Worth keeping in perspective: March is the weakest month of Nouméa's year and it is still a perfectly good one. The downside here is small.
Rain on 19 days, 5 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 March reaches 30 °C; the day barely swings — 1.4 °C between the overnight low and the afternoon high. Across the twenty years measured, the hottest March day reached 30 °C and the coldest night fell to 23.2 °C, and the wettest single day dropped 82 mm — roughly 51% of the month's rain in one day.
March is moderately variable: 28 mm in the driest year against 363 mm in the wettest, around an average of 161 mm. Roughly two Marchs in three land near that average, and the third does something else entirely.
Wind sits around 20.2 km/h — a steady breeze rather than a nuisance, and welcome on the warmer days, and humidity runs at 80%, high enough to notice on the warm days without dominating them.
How March sits in the year
Temperatures hold steady either side: 27.2 °C in February, 26.7 here, 25.6 in April. Nothing about the timing within the month matters much.
Daylight in March
12.3 hours of daylight, losing 0.6 hours across the month. That is between Nouméa's extremes of 13.5 and 10.8 hours, so days are long enough not to constrain the plan.
Sea temperature
The sea sits at about 26.8 °C in March — warm enough to stay in as long as you like. This is the warmest the water gets all year.
How busy it gets
Off season. The genuine off season: cheapest by a distance, with the caveat that some tours and restaurants close entirely.
Crowd levels are estimated from climate desirability and school-holiday calendars, not from visitor numbers.
March in Nouméa versus nearby
If Nouméa is one option among several, the nearby comparison is worth making. Port-Vila is close enough to be a coin toss — within a degree on temperature, 4 days more rain. Nadi is the weaker option in March — 2.7 °C warmer, 7 days more rain.
So: March is a compromise. September is 21 points better and is what Nouméa is actually like at its best — worth moving the trip for if that is possible, and worth adjusting expectations for if it is not.
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 March.
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