Siliana weather in January

In January, Siliana sees average daytime highs of 12°C and overnight lows near 4°C, with 45 mm of precipitation across 7.9 wet days and about 9.8 hours of daylight. It is the 12th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 12°C through the month. The sky is clear or mostly clear about 34% of the time in January, and the air most often feels dry.

Daylight stretches from about 9 h 36 min at the start of January to 10 h 12 min by month's end. Set against the rest of the year, January is Siliana's 11th-clearest and 4th-windiest month. For the whole year in context, see Siliana's year-round climate.

Daytime high
12°
12th warmest
Overnight low
1st coldest
Precipitation
45 mm
7.9 wet days
Daylight
9 h 48 min
7:38 AM – 5:26 PM
Cloud cover
53%
11th clearest
Wind
11 km/h
4th windiest
Solar energy
2.65 kWh/m²
Travel score
3.6
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 12°C through the month.

A typical January day in Siliana reaches about 12°C in the afternoon and slips back to 4°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 8°C and 17°C. Set against its neighbours, January runs about 1°C cooler than December and on par with February.

10°15°20°151015202531
Avg high (°C)Avg low (°C)
1135
2135
3135
4134
5134
6134
7134
8134
9134
10134
11134
12124
13124
14124
15124
16124
17124
18124
19124
20124
21124
22124
23124
24124
25124
26124
27124
28124
29124
30124
31124

How January really feels in Siliana

Once humidity and wind are folded in, January 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

January 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 January compares with the rest of the year at a glance. January is the 12th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan12° / 457.90.59.83.6
Feb13° / 388.20.510.63.9
Mar16° / 528.90.111.75.3
Apr20° / 508.70.112.96.5
May24° / 13°397.1013.97.6
Jun30° / 17°244.5014.46.3
Jul33° / 20°92.9014.24.5
Aug33° / 20°214.8013.44.3
Sep28° / 17°467.7012.26.4
Oct24° / 13°386.9011.17.5
Nov18° / 366.2010.16.3
Dec14° / 3870.29.64.3

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 19% of January, with mostly cloudy or overcast conditions the remaining 47%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15347
25446
35446
45446
55446
65446
75446
85446
95446
105446
115446
125446
135446
145446
155347
165347
175347
185248
195248
205248
215248
225248
235248
245347
255347
265347
275347
285347
295347
305347
315347

Chance of precipitation in January

Any precipitationSnow

Siliana gets around 45 mm of rain and snow over 7.9 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 26% and peaks near 31% on the wettest days, and about 1 day brings snow. The odds climb toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
1221
2221
3221
4221
5221
6221
7221
8221
9221
10231
11231
12241
13241
14251
15261
16271
17271
18281
19282
20292
21292
22302
23302
24302
25302
26302
27302
28302
29302
30312
31312

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in January

Winds average 11 km/h in January.

Across January, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2112calm
2212calm
2312calm
2412calm
2512calm
2612calm
2712calm
2812light breeze
2912light breeze
3012light breeze
3112light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 9 h 36 min at the start of January to 10 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 36 minutes over January. Sunrise moves from 7:38 AM to 7:31 AM, and sunset from 5:13 PM to 5:41 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.67:385:13
29.67:385:14
39.67:385:15
49.67:395:15
59.67:395:16
69.67:395:17
79.77:395:18
89.77:395:19
99.77:395:19
109.77:395:20
119.77:395:21
129.77:395:22
139.77:385:23
149.87:385:24
159.87:385:25
169.87:385:26
179.87:385:27
189.87:375:28
199.97:375:29
209.97:375:30
219.97:365:31
229.97:365:32
2310.07:355:33
2410.07:355:34
2510.07:345:35
2610.07:345:36
2710.17:335:37
2810.17:335:38
2910.17:325:39
3010.17:325:40
3110.27:315:41

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 2.65 kWh/m².

For context, solar energy here swings from a low near 2.34 kWh/m² to a high of 7.6 kWh/m² in July across the year — January's 2.65 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
12.4Moderate
22.4Moderate
32.5Moderate
42.5Moderate
52.5Moderate
62.5Moderate
72.5Moderate
82.5Moderate
92.5Moderate
102.5Moderate
112.6Moderate
122.6Moderate
132.6Moderate
142.6Moderate
152.6Moderate
162.6Moderate
172.6Moderate
182.7Moderate
192.7Moderate
202.7Moderate
212.7Moderate
222.7Moderate
232.8Moderate
242.8Moderate
252.8Moderate
262.9Moderate
272.9Moderate
282.9Moderate
292.9Moderate
303.0Moderate
313.0Moderate
Planning a trip in January

Hazard calendar for Siliana

In seasonPeak

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

Siliana sees seasonal dust haze (June), heaviest in June.

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

Is January a good time to visit Siliana?

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

3.6
Sightseeing
12th-best month of the year
0.0
Beach & pool
12th-best month of the year

January is a weaker month for outdoor sightseeing in Siliana.

What to pack for Siliana in January

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

In January, Siliana sees daytime highs around 12°C and nights near 4°C. Worth packing: a warm layer. About 8 days see rain.

a warm layer

UV index in Siliana in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 3. 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highVery highHighModerateJul 16UV 10Dec 21UV 2
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar6High
Apr5Moderate
May8Very high
Jun9Very high
Jul10Extreme
Aug8Very high
Sep8Very high
Oct6High
Nov3Moderate
Dec2Moderate

Air quality in Siliana in January

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where January 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).

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateSep 1724 µg/m³Dec 2118 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb19Moderate
Mar21Moderate
Apr24Moderate
May22Moderate
Jun22Moderate
Jul21Moderate
Aug22Moderate
Sep24Moderate
Oct22Moderate
Nov20Moderate
Dec17Moderate
Location & terrain

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.

DahmaniEl FahsEl KefMedjez el BabJendoubaBéjaTajerouine

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.

3 km
73 m
16 km
723 m
80 km
1,360 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Tabursuq 43 km · Dahmani 51 km · El Fahs 58 km · El Kef 61 km · Medjez el Bab 66 km · Jendouba 70 km · Béja 73 km · Tajerouine 77 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 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. 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).