Monthly Climate
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Best time to visit Nouméa

September is the best time to visit Nouméa for general sightseeing, with average highs of 23 °C and about 7 wet days. The comfortable season runs roughly June to October.

It depends what you are going for

One month rarely wins on everything. These are the best months on each measure taken on its own.

If you want Best month On that measure
Sightseeing and walking September comfort 89/100
A beach holiday November sea 24 °C
The least cloud September 44 % average cloud cover
The least rain October 43 mm
Warmth February 28 °C
Cooler weather July 22 °C

Ranked by comfort

# Month Comfort / 100 Avg high Wet days Beach
1 September 89 23 °C 7 80
2 August 89 22 °C 8 72
3 July 87 22 °C 9 72
4 October 84 25 °C 7 86
5 June 84 23 °C 9 75
6 May 78 24 °C 11 77
7 November 78 26 °C 8 87
8 December 67 28 °C 12 82
9 April 66 26 °C 15 74
10 January 59 28 °C 15 75
11 March 55 27 °C 18 75
12 February 54 28 °C 17 74

For a beach holiday

November scores highest, with a sea temperature of 24 °C and air temperatures around 26 °C. The sea never reaches 20 °C here.

Month Sea Air Sunshine Beach score
January 26 °C 28 °C 57 % 75
February 27 °C 28 °C 61 % 74
March 27 °C 27 °C 63 % 75
April 26 °C 26 °C 57 % 74
May 25 °C 24 °C 60 % 77
June 24 °C 23 °C 59 % 75
July 23 °C 22 °C 53 % 72
August 22 °C 22 °C 50 % 72
September 23 °C 23 °C 44 % 80
October 23 °C 25 °C 47 % 86
November 24 °C 26 °C 49 % 87
December 25 °C 28 °C 52 % 82

When to think twice

February scores lowest with about 17 wet days and highs near 28 °C. That does not make it a bad month — it depends entirely on what you are travelling for. The numbers are all here; the judgement is yours.

The full year

Month Avg high Rainfall Cloud
January 28.0 °C 142 mm 57 %
February 28.3 °C 160 mm 61 %
March 27.4 °C 191 mm 63 %
April 25.9 °C 126 mm 57 %
May 24.2 °C 102 mm 60 %
June 22.7 °C 81 mm 59 %
July 21.8 °C 69 mm 53 %
August 21.8 °C 66 mm 50 %
September 23.2 °C 50 mm 44 %
October 24.8 °C 43 mm 47 %
November 26.2 °C 70 mm 49 %
December 27.6 °C 94 mm 52 %

Data sources and method

Normal period
1991–2020
Dataset version
era5-1991-2020-scores1.1
Last processed

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: comfort score, beach score, season boundaries. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.