Monthly Climate
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Best time to visit Sousse

November is the best time to visit Sousse for general sightseeing, with average highs of 21 °C and about 5 wet days. The comfortable season runs roughly March to May. The sea stays above 20 °C from June 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 November comfort 94/100
A beach holiday September sea 26 °C
The least cloud July 9 % average cloud cover
The least rain July 1 mm
Warmth August 35 °C
Cooler weather January 17 °C

Ranked by comfort

# Month Comfort / 100 Avg high Wet days Beach
1 November 94 21 °C 5 72
2 April 93 23 °C 5 59
3 March 89 20 °C 6 43
4 May 87 27 °C 3 82
5 October 85 26 °C 7 91
6 December 83 18 °C 5 48
7 February 80 17 °C 5 36
8 January 78 17 °C 5 37
9 June 74 32 °C 1 87
10 September 73 31 °C 5 91
11 July 62 35 °C 0 82
12 August 60 35 °C 1 80

For a beach holiday

September scores highest, with a sea temperature of 26 °C and air temperatures around 31 °C. The sea is above 20 °C from June to November.

Month Sea Air Sunshine Beach score
January 16 °C 17 °C 43 % 37
February 15 °C 17 °C 41 % 36
March 15 °C 20 °C 41 % 43
April 16 °C 23 °C 41 % 59
May 19 °C 27 °C 35 % 82
June 22 °C 32 °C 22 % 87
July 25 °C 35 °C 9 % 82
August 27 °C 35 °C 14 % 80
September 26 °C 31 °C 35 % 91
October 24 °C 26 °C 42 % 91
November 21 °C 21 °C 43 % 72
December 18 °C 18 °C 42 % 48

When to think twice

August scores lowest with about 1 wet days and highs near 35 °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 16.7 °C 33 mm 43 %
February 17.4 °C 27 mm 41 %
March 20.2 °C 42 mm 41 %
April 23.1 °C 25 mm 41 %
May 27.2 °C 15 mm 35 %
June 31.5 °C 6 mm 22 %
July 34.6 °C 1 mm 9 %
August 34.8 °C 9 mm 14 %
September 30.6 °C 49 mm 35 %
October 26.5 °C 50 mm 42 %
November 21.5 °C 34 mm 43 %
December 17.7 °C 34 mm 42 %

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.