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Weather extremes

How extreme does Sfax's weather get?

The hottest, coldest, wettest and snowiest days Sfax has recorded — the outer limits of what its weather can do, and how far they sit beyond a normal day.

Based on 34 years of daily weather observations (1991–present), from the Thyna station 7 km away. Updated through August 2025 — an all-time extreme only changes when a more extreme day actually occurs, so some dates are old. That is normal, not stale data.

The four kinds of extreme

The hottest, coldest, wettest and snowiest single days Sfax has recorded — each shown against what a normal day that time of year looks like.

🔥 Hottest day
118°F Jun 30, 2003

That is about 32°F hotter than a normal June afternoon in Sfax (typical high near 86°F).

The three most extreme on record

1 118°F Jun 30, 2003
2 117°F Jun 13, 1997
3 116°F Jul 25, 2023
❄️ Coldest night
19°F Jan 4, 1993

About 25°F colder than a normal January night in Sfax (typical low near 44°F).

The three most extreme on record

1 19°F Jan 4, 1993
2 20°F Dec 25, 2008
3 21°F Jan 5, 1993
🌧️ Most rain in one day
4.21 in Sep 24, 1992

More rain in a single day than Sfax usually gets in the whole month of September (typical September total about 1.4 in).

The three most extreme on record

1 4.21 in Sep 24, 1992
2 3.62 in Oct 22, 1992
3 3.35 in Dec 17, 2016

How hot and cold it gets, month by month

The shaded band is the normal range of daily temperatures for each month. The dots show the most extreme it has ever been — so you can see how far beyond a normal day the records really sit.

-10°10°30°50°70°90°110°130° all-time high 118°F JanFebMarAprMayJunJulAugSepOctNovDec
normal range of daily temperatureshottest ever recordedcoldest ever recorded

Sfax's record heat sits well above even a hot day for the season — June's 118°F is about 32°F beyond a normal hot afternoon. Its record cold is just as far below a normal winter night — the dots mark how rare each extreme really is.

In plain terms

In a normal year, Sfax's warmest days reach the low 90s°F and its coldest nights drop to the mid-40s°F. But across the record it has gone as high as 118°F and as low as 19°F. A single day has delivered over 4 inches of rain. Those are the outer edges worth knowing if you are moving here, planning a trip, or thinking about a house.
Methodology & sources

Temperature & precipitation — 1991–2020 normals computed from 30 years of daily observations at Thyna, a weather station, about 7 km from the city centre. The underlying daily records come from NOAA's global station network.

How we build these numbers →