Siliana in Winter
In winter (December, January and February), Siliana sees average daytime highs around 13°C and overnight lows near 5°C, with 121 mm of precipitation over about 23 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 13°C. The sky is clear or mostly clear about 33% of the time across winter, and the air most often feels dry.
Winter is Siliana's weakest season of the year to visit on our travel score. For the whole year in context, see Siliana's year-round climate.
- Avg daytime high
- 13°C
- coldest season of the year
- Avg overnight low
- 5°C
- Precipitation
- 121 mm
- 23 wet days
- Avg wind
- 12 km/h
- Travel score
- 3.9
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in Siliana in Winter
Across winter, daytime highs hold fairly steady around 13°C.
A typical winter day in Siliana reaches about 13°C and drops to 5°C overnight. The warmest of the three months is December, the coolest January.
How winter really feels in Siliana
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.
Siliana 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 | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 12° / 4° | 45 | 7.9 | 0.5 | 9.8 | 3.6 |
| Feb | 13° / 4° | 38 | 8.2 | 0.5 | 10.6 | 3.9 |
| Mar | 16° / 6° | 52 | 8.9 | 0.1 | 11.7 | 5.3 |
| Apr | 20° / 9° | 50 | 8.7 | 0.1 | 12.9 | 6.5 |
| May | 24° / 13° | 39 | 7.1 | 0 | 13.9 | 7.6 |
| Jun | 30° / 17° | 24 | 4.5 | 0 | 14.4 | 6.3 |
| Jul | 33° / 20° | 9 | 2.9 | 0 | 14.2 | 4.5 |
| Aug | 33° / 20° | 21 | 4.8 | 0 | 13.4 | 4.3 |
| Sep | 28° / 17° | 46 | 7.7 | 0 | 12.2 | 6.4 |
| Oct | 24° / 13° | 38 | 6.9 | 0 | 11.1 | 7.5 |
| Nov | 18° / 9° | 36 | 6.2 | 0 | 10.1 | 6.3 |
| Dec | 14° / 6° | 38 | 7 | 0.2 | 9.6 | 4.3 |
Cloud cover in Winter
The sky is clear or mostly clear about 33% of the time across winter.
Chance of precipitation in Winter
Siliana gets around 121 mm of rain and snow over 23 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 12 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 9 h 42 min in early December to 11 h 06 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 2.8 kWh/m².
Hazard calendar for Siliana
None of Siliana's seasonal hazards peak in winter. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
Siliana sees seasonal dust haze (June), heaviest in June.
Is winter a good time to visit Siliana?
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 weaker month for outdoor sightseeing in Siliana.
What to pack for Siliana in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Siliana sees daytime highs around 13°C and nights near 5°C. Worth packing: a warm layer and rain gear. About 23 days see rain.
UV index in Siliana 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 Siliana peaks around July 16 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 2 (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 | 6 | 5 | 8 | 9 | 10 | 8 | 8 | 6 | 3 | 2 |
| Level | Moderate | Moderate | High | Moderate | Very high | Very high | Extreme | Very high | Very high | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 3 | Moderate |
| Feb | 5 | Moderate |
| Mar | 6 | High |
| Apr | 5 | Moderate |
| May | 8 | Very high |
| Jun | 9 | Very high |
| Jul | 10 | Extreme |
| Aug | 8 | Very high |
| Sep | 8 | Very high |
| Oct | 6 | High |
| Nov | 3 | Moderate |
| Dec | 2 | Moderate |
Air quality in Siliana 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 Siliana is worst in September — around 24 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 18 | 19 | 21 | 24 | 22 | 22 | 21 | 22 | 24 | 22 | 20 | 17 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 18 | Moderate |
| Feb | 19 | Moderate |
| Mar | 21 | Moderate |
| Apr | 24 | Moderate |
| May | 22 | Moderate |
| Jun | 22 | Moderate |
| Jul | 21 | Moderate |
| Aug | 22 | Moderate |
| Sep | 24 | Moderate |
| Oct | 22 | Moderate |
| Nov | 20 | Moderate |
| Dec | 17 | Moderate |
Where is Siliana?
Siliana sits at 36.1°N, 9.4°E, 428 m above sea level, in Tunisia. The nearest listed city is Tabursuq, 43 km away.
Topography around Siliana
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Siliana.
Within 3 km, the terrain around Siliana has only modest variations in elevation — a maximum elevation change of 73 m around an average of 431 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 723 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,360 m.
The land around Siliana is covered by cropland (74%) within 3 km, cropland (62%) and grassland (24%) within 16 km, and cropland (51%) and grassland (32%) 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 Siliana (36.085°, 9.3708°, elevation 428 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.