Sfax climate

Name: Sfax
Address: TN

Sfax is warmest in August, with average highs of 32 °C, and coldest in January, when nights average 8.7 °C. September is the wettest month (27 mm) and July the driest (0.3 mm). Figures are 1991–2020 climate normals.

Across a full year Sfax averages 182 mm of rain and 160 days above 25 °C.

Tunisia · population 280,566 · 1991–2020 normals

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

Warmest month August 32 °C
Coldest month January 8.7 °C
Driest month July 0 mm
Wettest month September 27 mm
Least cloud July 7 % cloud
Hottest on record July 44 °C
Coldest on record February 1.6 °C
Warmest sea August 28 °C

What to expectSfax through the year

Sfax has a clear annual cycle: average daily highs run from 16 °C in January to 32 °C in August, a swing of 16 °C in mean temperature across the year.

Counted across a normal year, 160 days a year reach 25 °C, 75 of them reach 30 °C. The warmest reading in the 1991–2020 record is 44 °C, in July.

Rain is spread fairly evenly through the year, from 0 mm in July to 27 mm in September. There is no dry season to aim for.

The sea off Sfax is warmest in August at 28 °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	16.1 °C	20 mm	37 %
February	16.9 °C	16 mm	36 %
March	19.4 °C	23 mm	36 %
April	21.8 °C	15 mm	36 %
May	25.2 °C	8 mm	32 %
June	28.9 °C	3 mm	19 %
July	31.8 °C	under 1 mm	7 %
August	32.3 °C	4 mm	11 %
September	29.2 °C	27 mm	31 %
October	26.0 °C	25 mm	38 %
November	21.1 °C	21 mm	37 %
December	17.2 °C	20 mm	36 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C
January	16.1 °C	8.7 °C	12.1 °C	25.6 °C	2.8 °C	0	0
February	16.9 °C	9.0 °C	12.7 °C	29.9 °C	1.6 °C	0	0
March	19.4 °C	11.2 °C	15.0 °C	35.2 °C	5.2 °C	2	0
April	21.8 °C	13.8 °C	17.6 °C	33.1 °C	7.9 °C	4	0
May	25.2 °C	17.0 °C	20.9 °C	41.1 °C	10.6 °C	14	2
June	28.9 °C	20.4 °C	24.5 °C	43.9 °C	14.6 °C	28	9
July	31.8 °C	23.1 °C	27.3 °C	44.3 °C	16.9 °C	31	24
August	32.3 °C	24.1 °C	28.0 °C	44.0 °C	20.0 °C	31	26
September	29.2 °C	22.5 °C	25.7 °C	39.4 °C	16.3 °C	28	11
October	26.0 °C	19.2 °C	22.4 °C	40.0 °C	10.5 °C	19	3
November	21.1 °C	14.1 °C	17.5 °C	31.3 °C	5.9 °C	2	0
December	17.2 °C	10.1 °C	13.4 °C	27.7 °C	3.5 °C	0	0

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind	Sea temp
January	20 mm	3	10 h/day	37 %	70 %	25 km/h	15.2 °C
February	16 mm	4	11 h/day	36 %	67 %	26 km/h	14.5 °C
March	23 mm	4	12 h/day	36 %	67 %	27 km/h	15.5 °C
April	15 mm	3	13 h/day	36 %	67 %	28 km/h	17.5 °C
May	8 mm	2	14 h/day	32 %	65 %	27 km/h	20.3 °C
June	3 mm	1	14 h/day	19 %	64 %	26 km/h	23.6 °C
July	under 1 mm	0	14 h/day	7 %	62 %	24 km/h	26.8 °C
August	4 mm	1	13 h/day	11 %	66 %	23 km/h	28.3 °C
September	27 mm	3	12 h/day	31 %	70 %	24 km/h	27.3 °C
October	25 mm	4	11 h/day	38 %	71 %	23 km/h	24.9 °C
November	21 mm	3	10 h/day	37 %	68 %	24 km/h	21.6 °C
December	20 mm	3	9.8 h/day	36 %	68 %	26 km/h	17.9 °C

Where Sfax ranks

Ranking	Position	Value
Best beach destinations in Africa in September	9th of 50	97/100
Warmest sea temperatures in Africa in August	9th of 50	28 °C
Best beach destinations in Africa in June	13th of 50	97/100
Best beach destinations in the world in September	13th of 50	97/100
Best beach destinations in Africa in October	20th of 50	96/100
Warmest sea temperatures in Africa in July	22nd of 50	27 °C

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

QuestionsCommon questions about Sfax’s climate

When is the best time to visit Sfax?

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 Sfax get?

In August, the warmest month, daily highs average 32 °C. About 75 days a year pass 30 °C. The highest value in the 1991–2020 record is 44 °C.

How cold does it get in winter?

Nights average 8.7 °C in January, the coldest month. Freezing nights are not part of a normal year here.

Which month is wettest in Sfax?

September, averaging 27 mm over 3 days with rain. The driest month is July with 0 mm. The year as a whole averages 182 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 Sfax rather than what any particular week will bring. Individual years can differ substantially from the normal.

Data sources and method

ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
Open-Meteo — Open-Meteo.com. CC BY 4.0
NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
GeoNames — GeoNames.org. CC BY 4.0

Normal period: 1991–2020
Data point: 34.741°, 10.760° (the coordinates the reanalysis values are taken for)
Dataset version: era5-1991-2020-scores1.1
Last processed: 1 August 2026

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.