Sfax weather in December

In December, Sfax sees average daytime highs of 18°C and overnight lows near 12°C, with 20 mm of rain across 3.3 wet days and about 9.7 hours of daylight. It is the 10th-warmest and 6th-wettest month of the year here.

Highs ease over the month, from about 19°C in the first days to 17°C by the end. The sky is clear or mostly clear about 60% of the time in December, and the air most often feels dry.

Daylight stretches from about 9 h 48 min at the start of December to 9 h 42 min by month's end. Set against the rest of the year, December is Sfax's 6th-clearest and 2nd-windiest month. For the whole year in context, see Sfax's year-round climate.

Daytime high
18°
10th warmest
Overnight low
12°
3rd coldest
Rainfall
20 mm
3.3 wet days
Daylight
9 h 42 min
7:23 AM – 5:04 PM
Cloud cover
37%
6th clearest
Wind
19 km/h
2nd windiest
Solar energy
2.68 kWh/m²
Travel score
7.0
out of 10
Air quality
High
PM10 87 µg/m³ · 2010

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 19°C in the first days to 17°C by the end.

A typical December day in Sfax reaches about 18°C in the afternoon and slips back to 12°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 20°C. Set against its neighbours, December runs about 4°C cooler than November and about 1°C warmer than January.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
11913
21913
31913
41913
51912
61812
71812
81812
91812
101812
111812
121812
131812
141812
151812
161811
171711
181711
191711
201711
211711
221711
231711
241711
251711
261711
271711
281711
291710
301710
311710

How December really feels in Sfax

Once humidity and wind are folded in, December averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

December sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Sfax weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan16° / 10°203.79.96.1
Feb17° / 10°163.610.76.4
Mar19° / 12°22411.77.2
Apr21° / 15°153.312.87.9
May24° / 18°81.813.88.7
Jun28° / 22°30.714.38.0
Jul31° / 25°00.114.16.3
Aug31° / 26°40.913.35.8
Sep29° / 24°263.112.26.9
Oct26° / 20°244.211.18.0
Nov21° / 15°203.410.27.9
Dec18° / 12°203.39.77.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 60% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 15% of December, with mostly cloudy or overcast conditions the remaining 25%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17525
27525
37525
47525
57525
67624
77624
87624
97525
107525
117525
127525
137525
147525
157525
167525
177525
187525
197525
207525
217525
227525
237525
247525
257525
267624
277624
287624
297624
307624
317624

Chance of precipitation in December

Any precipitation

Sfax gets around 20 mm of rain over 3.3 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 11% and peaks near 11% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
111
210
310
410
510
610
710
810
910
1010
1110
1211
1311
1411
1511
1611
1711
1811
1911
2011
2111
2211
2311
2411
2511
2611
2711
2810
2910
3010
3110

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

Most of December feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, December lands in the dry band about 92% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
179192
281181
382171
484151
585141
686131
788120
889110
990100
109190
119190
129280
139280
149370
159370
169460
179460
189550
199550
209550
219640
229640
239640
249730
259730
269820
279820
289910
299910
309910
319910

Wind in December

Winds average 19 km/h in December.

Across December, daily wind ranges from about 18 km/h on the calmest days to 20 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
118light breeze
218light breeze
318light breeze
418light breeze
518light breeze
618light breeze
718light breeze
818light breeze
918light breeze
1018light breeze
1118light breeze
1218light breeze
1319light breeze
1419light breeze
1519light breeze
1619light breeze
1719light breeze
1819light breeze
1919light breeze
2019light breeze
2119light breeze
2219light breeze
2319light breeze
2420light breeze
2520light breeze
2620light breeze
2720light breeze
2820light breeze
2920light breeze
3020light breeze
3119light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 9 h 48 min at the start of December to 9 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over December. Sunrise moves from 7:12 AM to 7:29 AM, and sunset from 5:02 PM to 5:11 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.87:125:02
29.87:125:02
39.87:135:02
49.87:145:02
59.87:155:02
69.87:165:02
79.87:165:02
89.77:175:02
99.77:185:02
109.77:195:02
119.77:195:02
129.77:205:02
139.77:215:03
149.77:215:03
159.77:225:03
169.77:235:04
179.77:235:04
189.77:245:04
199.77:245:05
209.77:255:05
219.77:255:05
229.77:265:06
239.77:265:06
249.77:275:07
259.77:275:07
269.77:285:08
279.77:285:09
289.77:285:09
299.77:295:10
309.77:295:10
319.77:295:11

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.68 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.68 kWh/m² to a high of 7.61 kWh/m² in July across the year — December's 2.68 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.9Moderate
22.8Moderate
32.8Moderate
42.8Moderate
52.8Moderate
62.8Moderate
72.8Moderate
82.8Moderate
92.7Moderate
102.7Moderate
112.7Moderate
122.7Moderate
132.7Moderate
142.7Moderate
152.7Moderate
162.7Moderate
172.7Moderate
182.6Moderate
192.6Moderate
202.6Moderate
212.6Moderate
222.7Moderate
232.7Moderate
242.7Moderate
252.7Moderate
262.7Moderate
272.7Moderate
282.7Moderate
292.7Moderate
302.8Moderate
312.8Moderate
Planning a trip in December

Hazard calendar for Sfax

In seasonPeak

None of Sfax's seasonal hazards are active in December. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Sfax sees seasonal dust haze (April–June), heaviest in April.

Dust
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is December a good time to visit Sfax?

Our two travel scores rate December for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

7.0
Sightseeing
7th-best month of the year
2.1
Beach & pool
10th-best month of the year

December is one of the better times to visit Sfax for general sightseeing.

What to pack for Sfax in December

From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In December, Sfax sees daytime highs around 18°C and nights near 12°C. Little to plan around — just the basics. About 3 days see rain.

Sea temperature near Sfax in December

The nearest coast averages about 18°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 17 km away) is warmest in August at about 28°C and coldest in February near 15°C.

It's comfortable for a long swim from May 13 to Nov 28 — about 6.6 months when the water holds above 20°C.

15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan15Cool
Feb15Bracing
Mar16Cool
Apr18Cool
May20Refreshing
Jun24Refreshing
Jul27Warm
Aug28Tropical
Sep27Warm
Oct25Warm
Nov22Refreshing
Dec18Cool

UV index in Sfax in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 2. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Sfax peaks around July 14 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJul 14UV 10Jan 1UV 2
UV index (midday)Level
Jan2Moderate
Feb5Moderate
Mar6High
Apr5High
May7High
Jun9Very high
Jul10Very high
Aug9Very high
Sep8Very high
Oct6High
Nov3Moderate
Dec2Moderate

Air quality in Sfax in December

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where December falls, not just the annual average.

Air quality in Sfax is worst in January — around 35 µg/m³ PM2.5 (moderate), about 2.8× the cleanest month (July, 13 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateJan 1634 µg/m³Jul 2213 µg/m³
PM2.5 (µg/m³)Level
Jan35Moderate
Feb31Moderate
Mar30Moderate
Apr25Moderate
May20Moderate
Jun16Moderate
Jul13Moderate
Aug13Moderate
Sep17Moderate
Oct23Moderate
Nov29Moderate
Dec31Moderate
Location & terrain

Where is Sfax?

Sfax sits at 34.7°N, 10.8°E, 8 m above sea level, in Tunisia. The nearest listed city is Dar el Haj Taïeb, 5.0 km away.

Topography around Sfax

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Sfax.

Within 3 km, the terrain around Sfax has only modest variations in elevation — a maximum elevation change of 21 m around an average of 6 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 121 m; within 80 km, significant variations in elevation — a maximum elevation change of 269 m.

The land around Sfax is covered by artificial surfaces (66%) within 3 km, water (43%) and artificial surfaces (20%) within 16 km, and water (49%) and cropland (24%) within 80 km.

3 km
21 m
16 km
121 m
80 km
269 m
grasslandcroplandartificial surfacesbare terrainwaterwetland
December weather nearby: Dar el Haj Taïeb 5.0 km · Gremda 7.0 km · Sakiet ez Zit 7.0 km · El Ain 7.0 km · Sakiet ed Daier 7.0 km · Sidi Abid 7.0 km · Mahires 34 km · Kellabine 42 km

Tunisia travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / E
230 V · 50 Hz
Prices
≈ 29% of US
price level, 2025
GDP per capita
$4,657
2025
Happiness
4.8 / 10
World Happiness, 2025
Safe drinking water
65%
of population, 2024
Homicide rate
4.7
per 100k, 2020
Road deaths
16.5
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
Low
EF EPI 498
Religion
Muslim 99%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Sfax (34.7406°, 10.7603°, elevation 8 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).