Monthly Climate
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Best time to visit Soyo

July is the best time to visit Soyo for general sightseeing, with average highs of 24 °C and about 0 wet days. The comfortable season runs roughly June to September.

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 88/100
A beach holiday June sea 23 °C
The least cloud June 50 % average cloud cover
The least rain July 1 mm
Warmth March 29 °C
Cooler weather August 24 °C

Ranked by comfort

# Month Comfort / 100 Avg high Wet days Beach
1 July 88 24 °C 0 86
2 August 88 24 °C 0 85
3 September 83 25 °C 1 94
4 June 83 25 °C 0 95
5 October 75 26 °C 6 92
6 May 70 27 °C 8 90
7 November 57 27 °C 17 75
8 December 56 27 °C 18 75
9 February 55 28 °C 16 72
10 January 55 28 °C 18 74
11 March 51 29 °C 18 71
12 April 51 28 °C 19 73

For a beach holiday

June scores highest, with a sea temperature of 23 °C and air temperatures around 25 °C. The sea never reaches 20 °C here.

Month Sea Air Sunshine Beach score
January 27 °C 28 °C 83 % 74
February 28 °C 28 °C 84 % 72
March 28 °C 29 °C 83 % 71
April 28 °C 28 °C 83 % 73
May 26 °C 27 °C 65 % 90
June 23 °C 25 °C 50 % 95
July 22 °C 24 °C 53 % 86
August 21 °C 24 °C 60 % 85
September 23 °C 25 °C 64 % 94
October 25 °C 26 °C 73 % 92
November 26 °C 27 °C 79 % 75
December 27 °C 27 °C 83 % 75

When to think twice

April scores lowest with about 19 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 27.8 °C 113 mm 83 %
February 28.4 °C 116 mm 84 %
March 28.8 °C 120 mm 83 %
April 28.2 °C 137 mm 83 %
May 27.1 °C 42 mm 65 %
June 25.0 °C 1 mm 50 %
July 23.5 °C 1 mm 53 %
August 23.5 °C 2 mm 60 %
September 24.7 °C 5 mm 64 %
October 26.3 °C 30 mm 73 %
November 27.2 °C 102 mm 79 %
December 27.4 °C 110 mm 83 %

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.