Monthly Climate
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Best time to visit Sumbe

August is the best time to visit Sumbe for general sightseeing, with average highs of 24 °C and about 0 wet days. The comfortable season runs roughly June to September. The sea stays above 20 °C from September to July.

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 90/100
A beach holiday May sea 25 °C
The least cloud June 46 % average cloud cover
The least rain July 1 mm
Warmth February 29 °C
Cooler weather August 24 °C

Ranked by comfort

# Month Comfort / 100 Avg high Wet days Beach
1 August 90 24 °C 0 81
2 July 89 24 °C 0 85
3 September 86 25 °C 1 88
4 June 84 26 °C 0 95
5 October 77 27 °C 6 93
6 May 73 28 °C 1 100
7 January 71 29 °C 6 93
8 December 68 28 °C 9 88
9 November 67 28 °C 10 85
10 February 66 29 °C 8 87
11 April 58 29 °C 13 77
12 March 55 29 °C 15 72

For a beach holiday

May scores highest, with a sea temperature of 25 °C and air temperatures around 28 °C. The sea is above 20 °C from September to July.

Month Sea Air Sunshine Beach score
January 26 °C 29 °C 82 % 93
February 27 °C 29 °C 83 % 87
March 28 °C 29 °C 86 % 72
April 27 °C 29 °C 80 % 77
May 25 °C 28 °C 52 % 100
June 23 °C 26 °C 46 % 95
July 21 °C 24 °C 50 % 85
August 20 °C 24 °C 47 % 81
September 21 °C 25 °C 51 % 88
October 24 °C 27 °C 72 % 93
November 26 °C 28 °C 82 % 85
December 26 °C 28 °C 84 % 88

When to think twice

March scores lowest with about 15 wet days and highs near 29 °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 28.7 °C 47 mm 82 %
February 29.4 °C 57 mm 83 %
March 29.1 °C 169 mm 86 %
April 28.7 °C 122 mm 80 %
May 28.2 °C 3 mm 52 %
June 25.9 °C 1 mm 46 %
July 24.3 °C 1 mm 50 %
August 24.2 °C 1 mm 47 %
September 25.5 °C 5 mm 51 %
October 27.0 °C 19 mm 72 %
November 27.9 °C 57 mm 82 %
December 28.1 °C 54 mm 84 %

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.