Monthly Climate
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Best time to visit Apia

August is the best time to visit Apia for general sightseeing, with average highs of 29 °C and about 21 wet days.

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 August comfort 46/100
A beach holiday August sea 28 °C
The least cloud August 51 % average cloud cover
The least rain August 120 mm
Warmth March 30 °C
Cooler weather July 28 °C

Ranked by comfort

# Month Comfort / 100 Avg high Wet days Beach
1 August 46 29 °C 21 72
2 July 46 28 °C 20 72
3 September 45 29 °C 22 72
4 June 44 29 °C 22 70
5 October 44 29 °C 25 70
6 May 44 29 °C 24 68
7 November 44 29 °C 26 68
8 March 43 30 °C 28 66
9 April 43 30 °C 25 66
10 December 43 30 °C 27 68
11 January 43 30 °C 28 67
12 February 43 30 °C 25 67

For a beach holiday

August scores highest, with a sea temperature of 28 °C and air temperatures around 29 °C. The sea never reaches 20 °C here.

Month Sea Air Sunshine Beach score
January 29 °C 30 °C 81 % 67
February 29 °C 30 °C 80 % 67
March 29 °C 30 °C 75 % 66
April 29 °C 30 °C 67 % 66
May 29 °C 29 °C 61 % 68
June 29 °C 29 °C 57 % 70
July 28 °C 28 °C 52 % 72
August 28 °C 29 °C 51 % 72
September 28 °C 29 °C 53 % 72
October 28 °C 29 °C 64 % 70
November 29 °C 29 °C 73 % 68
December 29 °C 30 °C 78 % 68

When to think twice

February scores lowest with about 25 wet days and highs near 30 °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 29.6 °C 377 mm 81 %
February 29.7 °C 345 mm 80 %
March 29.8 °C 271 mm 75 %
April 29.7 °C 220 mm 67 %
May 29.2 °C 206 mm 61 %
June 28.7 °C 145 mm 57 %
July 28.4 °C 133 mm 52 %
August 28.6 °C 120 mm 51 %
September 29.0 °C 162 mm 53 %
October 29.2 °C 220 mm 64 %
November 29.5 °C 279 mm 73 %
December 29.6 °C 352 mm 78 %

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.