Monthly Climate
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Best time to visit Nuku‘alofa

July is the best time to visit Nuku‘alofa for general sightseeing, with average highs of 23 °C and about 8 wet days. The comfortable season runs roughly May to November.

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 July comfort 80/100
A beach holiday June sea 25 °C
The least cloud September 60 % average cloud cover
The least rain July 93 mm
Warmth February 27 °C
Cooler weather August 23 °C

Ranked by comfort

# Month Comfort / 100 Avg high Wet days Beach
1 July 80 23 °C 8 79
2 August 79 23 °C 9 77
3 September 78 23 °C 9 77
4 June 77 24 °C 8 83
5 October 76 24 °C 9 79
6 November 72 25 °C 10 82
7 May 71 25 °C 10 81
8 December 63 26 °C 13 78
9 April 60 26 °C 13 77
10 January 55 26 °C 16 74
11 February 52 27 °C 17 73
12 March 51 27 °C 18 73

For a beach holiday

June scores highest, with a sea temperature of 25 °C and air temperatures around 24 °C. The sea never reaches 20 °C here.

Month Sea Air Sunshine Beach score
January 27 °C 26 °C 66 % 74
February 28 °C 27 °C 64 % 73
March 28 °C 27 °C 66 % 73
April 27 °C 26 °C 64 % 77
May 26 °C 25 °C 63 % 81
June 25 °C 24 °C 65 % 83
July 24 °C 23 °C 62 % 79
August 24 °C 23 °C 61 % 77
September 24 °C 23 °C 60 % 77
October 24 °C 24 °C 63 % 79
November 25 °C 25 °C 64 % 82
December 26 °C 26 °C 63 % 78

When to think twice

March scores lowest with about 18 wet days and highs near 27 °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 26.5 °C 198 mm 66 %
February 27.0 °C 215 mm 64 %
March 26.9 °C 222 mm 66 %
April 26.1 °C 161 mm 64 %
May 24.7 °C 102 mm 63 %
June 23.8 °C 105 mm 65 %
July 22.9 °C 93 mm 62 %
August 22.7 °C 112 mm 61 %
September 22.9 °C 101 mm 60 %
October 23.5 °C 98 mm 63 %
November 24.6 °C 103 mm 64 %
December 25.7 °C 121 mm 63 %

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.