Sousse climate

Sousse is warmest in August, with average highs of 35 °C, and coldest in January, when nights average 7.5 °C. October is the wettest month (50 mm) and July the driest (1.3 mm). Figures are 1991–2020 climate normals.

Across a full year Sousse averages 325 mm of rain and 178 days above 25 °C.

Tunisia · population 221,715 · 1991–2020 normals

  1. Jan 12°
  2. Feb 12°
  3. Mar 14°
  4. Apr 17°
  5. May 21°
  6. Jun 25°
  7. Jul 28°
  8. Aug 28°
  9. Sep 25°
  10. Oct 21°
  11. Nov 17°
  12. Dec 13°

Temperature below 0 °C to above 30 °C Rain band height is that month’s share of the wettest month

What to expectSousse through the year

Sousse has a clear annual cycle: average daily highs run from 17 °C in January to 35 °C in August, a swing of 17 °C in mean temperature across the year.

Counted across a normal year, 178 days a year reach 25 °C, 106 of them reach 30 °C. The warmest reading in the 1991–2020 record is 47 °C, in August.

Rain is strongly seasonal. October averages 50 mm against 1 mm in July — 37 times as much. Planning around the dry months matters more here than planning around temperature.

The sea off Sousse is warmest in August at 27 °C and coldest in February at 15 °C. Sea temperature lags the air by a month or two, which is why late summer swims warmer than early summer at the same air temperature.

Month by month

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 %

Temperature month by month

Month Avg highAvg lowMeanRecord highRecord lowDays above 25 °CDays above 30 °CDays below 0 °C
January 16.7 °C7.5 °C11.7 °C25.7 °C0.9 °C000
February 17.4 °C7.6 °C12.1 °C33.4 °C0.4 °C100
March 20.2 °C9.5 °C14.5 °C37.1 °C2.5 °C300
April 23.1 °C11.9 °C17.1 °C36.3 °C5.6 °C810
May 27.2 °C15.2 °C20.9 °C42.9 °C9.1 °C2260
June 31.5 °C18.9 °C25.0 °C46.3 °C11.4 °C29180
July 34.6 °C21.6 °C27.9 °C46.2 °C15.1 °C31300
August 34.8 °C22.5 °C28.3 °C47.4 °C17.5 °C31300
September 30.6 °C20.7 °C25.2 °C41.3 °C14.9 °C29160
October 26.5 °C17.3 °C21.5 °C38.0 °C9.3 °C2050
November 21.5 °C12.6 °C16.6 °C30.2 °C4.3 °C400
December 17.7 °C8.9 °C12.8 °C29.9 °C0.9 °C000

Rain, sun and wind month by month

Month RainfallWet daysDaylightCloud coverHumidityWindSea temp
January 33 mm510 h/day43 %70 %20 km/h16.0 °C
February 27 mm511 h/day41 %67 %22 km/h14.9 °C
March 42 mm612 h/day41 %66 %22 km/h14.9 °C
April 25 mm513 h/day41 %64 %22 km/h16.1 °C
May 15 mm314 h/day35 %60 %22 km/h18.7 °C
June 6 mm115 h/day22 %56 %21 km/h22.0 °C
July 1 mm014 h/day9 %53 %20 km/h25.2 °C
August 9 mm114 h/day14 %58 %19 km/h26.8 °C
September 49 mm512 h/day35 %66 %19 km/h26.0 °C
October 50 mm711 h/day42 %70 %18 km/h23.9 °C
November 34 mm510 h/day43 %68 %20 km/h21.1 °C
December 34 mm59.7 h/day42 %69 %21 km/h18.2 °C

Where Sousse ranks

Planning a trip? See the best time to visit Sousse.

QuestionsCommon questions about Sousse’s climate

When is the best time to visit Sousse?

That depends on what you want, so the honest answer is a comparison rather than a single month. April, May, October sit closest to 20 °C on average, August is the warmest month and July the driest. The month-by-month table above has the full picture.

How hot does Sousse get?

In August, the warmest month, daily highs average 35 °C. About 106 days a year pass 30 °C. The highest value in the 1991–2020 record is 47 °C.

How cold does it get in winter?

Nights average 7.5 °C in January, the coldest month. Freezing nights are not part of a normal year here.

Which month is wettest in Sousse?

October, averaging 50 mm over 7 days with rain. The driest month is July with 1 mm. The year as a whole averages 325 mm.

Are these figures a forecast?

No. They are 1991–2020 climate normals: the average of thirty years, which describes what a month is usually like in Sousse rather than what any particular week will bring. Individual years can differ substantially from the normal.

Data sources and method

Normal period
1991–2020
Data point
35.825°, 10.637° (the coordinates the reanalysis values are taken for)
Dataset version
era5-1991-2020-scores1.1
Last processed

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: monthly rankings, daylight hours, beach and comfort scores. 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.