Zarzis in Winter
In winter (December, January and February), Zarzis sees average daytime highs around 17°C and overnight lows near 12°C, with 61 mm of rain over about 11 wet days across the season. It is the coldest season of the year and the 2nd-wettest season.
Across winter, daytime highs hold fairly steady around 17°C. The sky is clear or mostly clear about 65% of the time across winter, and the air most often feels dry.
Winter is Zarzis's weakest season of the year to visit on our travel score. For the whole year in context, see Zarzis's year-round climate.
- Avg daytime high
- 17°C
- coldest season of the year
- Avg overnight low
- 12°C
- Rainfall
- 61 mm
- 11 wet days
- Avg wind
- 20 km/h
- Travel score
- 6.5
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in Zarzis in Winter
Across winter, daytime highs hold fairly steady around 17°C.
A typical winter day in Zarzis reaches about 17°C and drops to 12°C overnight. The warmest of the three months is December, the coolest January.
How winter really feels in Zarzis
Once humidity and wind are folded in, winter brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.
winter sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Zarzis weather by month
How the three winter months (December, January and February) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 16° / 12° | 19 | 3.3 | 10 | 6.1 |
| Feb | 16° / 12° | 16 | 2.9 | 10.8 | 6.4 |
| Mar | 18° / 14° | 13 | 2.2 | 11.7 | 7.4 |
| Apr | 20° / 16° | 8 | 1.6 | 12.8 | 8.2 |
| May | 23° / 19° | 3 | 0.8 | 13.7 | 8.9 |
| Jun | 26° / 22° | 1 | 0.1 | 14.2 | 9.1 |
| Jul | 29° / 25° | 0 | 0 | 14 | 8.0 |
| Aug | 30° / 26° | 1 | 0.2 | 13.2 | 7.2 |
| Sep | 28° / 25° | 16 | 1.8 | 12.2 | 7.5 |
| Oct | 26° / 22° | 25 | 3.7 | 11.2 | 8.1 |
| Nov | 21° / 17° | 24 | 3.9 | 10.3 | 7.9 |
| Dec | 18° / 13° | 26 | 4.6 | 9.8 | 6.9 |
Cloud cover in Winter
The sky is clear or mostly clear about 65% of the time across winter.
Chance of precipitation in Winter
Zarzis gets around 61 mm of rain over 11 wet days across winter. The line is the day-by-day chance of measurable precipitation.
Humidity in Winter
Most of winter feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Winter
Winds average 20 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 9 h 54 min in early December to 11 h 12 min by late February. The lit band spans sunrise to sunset each day.
Solar energy in Winter
Average shortwave solar energy reaching the ground each day across winter, about 3.5 kWh/m².
Hazard calendar for Zarzis
None of Zarzis's seasonal hazards peak in winter. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
Zarzis sees seasonal dust haze (April–June), heaviest in April.
Is winter a good time to visit Zarzis?
Our two travel scores rate winter for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
winter is a reasonable time to visit Zarzis for sightseeing.
What to pack for Zarzis in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Zarzis sees daytime highs around 17°C and nights near 12°C. Worth packing: a warm layer and a windbreaker. About 11 days see rain.
Sea temperature near Zarzis in Winter
The nearest coast averages about 17°C across winter — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 14 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 Dec 5 — about 6.8 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 16 | 15 | 16 | 18 | 20 | 23 | 27 | 28 | 28 | 25 | 22 | 19 |
| Comfort | Cool | Bracing | Cool | Cool | Refreshing | Refreshing | Warm | Tropical | Warm | Warm | Refreshing | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 16 | Cool |
| Feb | 15 | Bracing |
| Mar | 16 | Cool |
| Apr | 18 | Cool |
| May | 20 | Refreshing |
| Jun | 23 | Refreshing |
| Jul | 27 | Warm |
| Aug | 28 | Tropical |
| Sep | 28 | Warm |
| Oct | 25 | Warm |
| Nov | 22 | Refreshing |
| Dec | 19 | Cool |
UV index in Zarzis in Winter
Clear-sky midday UV across winter averages around 3 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Zarzis peaks around June 20 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 3 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 3 | 5 | 7 | 6 | 7 | 10 | 9 | 9 | 8 | 6 | 4 | 3 |
| Level | Moderate | Moderate | High | High | High | Extreme | Very high | Very high | Very high | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 3 | Moderate |
| Feb | 5 | Moderate |
| Mar | 7 | High |
| Apr | 6 | High |
| May | 7 | High |
| Jun | 10 | Extreme |
| Jul | 9 | Very high |
| Aug | 9 | Very high |
| Sep | 8 | Very high |
| Oct | 6 | High |
| Nov | 4 | Moderate |
| Dec | 3 | Moderate |
Air quality in Zarzis in Winter
Average fine-particle pollution (PM2.5) through the year — so you can see where winter falls, not just the annual average.
Air quality in Zarzis is worst in January — around 33 µg/m³ PM2.5 (moderate), about 3.2× the cleanest month (July, 10 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 33 | 28 | 29 | 27 | 19 | 15 | 10 | 11 | 14 | 19 | 24 | 25 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 33 | Moderate |
| Feb | 28 | Moderate |
| Mar | 29 | Moderate |
| Apr | 27 | Moderate |
| May | 19 | Moderate |
| Jun | 15 | Moderate |
| Jul | 10 | Good |
| Aug | 11 | Good |
| Sep | 14 | Moderate |
| Oct | 19 | Moderate |
| Nov | 24 | Moderate |
| Dec | 25 | Moderate |
Where is Zarzis?
Zarzis sits at 33.5°N, 11.1°E, 11 m above sea level, in Tunisia. The nearest listed city is Midoun, 36 km away.
Topography around Zarzis
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Zarzis.
Within 3 km, the terrain around Zarzis has only modest variations in elevation — a maximum elevation change of 50 m around an average of 8 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 75 m; within 80 km, significant variations in elevation — a maximum elevation change of 466 m.
The land around Zarzis is covered by artificial surfaces (47%) and water (42%) within 3 km, water (56%) within 16 km, and water (46%) and bare terrain (37%) within 80 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
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 Zarzis (33.504°, 11.1121°, elevation 11 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.