Siliana weather in December

In December, Siliana sees average daytime highs of 14°C and overnight lows near 6°C, with 38 mm of precipitation across 7 wet days and about 9.6 hours of daylight. It is the 10th-warmest and 8th-wettest month of the year here.

Highs ease over the month, from about 15°C in the first days to 13°C by the end. The sky is clear or mostly clear about 32% of the time in December, and the air most often feels dry.

Daylight stretches from about 9 h 42 min at the start of December to 9 h 36 min by month's end. Set against the rest of the year, December is Siliana's 12th-clearest and 3rd-windiest month. For the whole year in context, see Siliana's year-round climate.

Daytime high: 14°; 10th warmest
Overnight low: 6°; 3rd coldest
Precipitation: 38 mm; 7 wet days
Daylight: 9 h 36 min; 7:32 AM – 5:05 PM
Cloud cover: 53%; 12th clearest
Wind: 11 km/h; 3rd windiest
Solar energy: 2.34 kWh/m²
Travel score: 4.3; out of 10

← November Siliana year-round climate January →Best places to visit in December

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

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 15°C in the first days to 13°C by the end.

A typical December day in Siliana reaches about 14°C in the afternoon and slips back to 6°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 9°C and 18°C. Set against its neighbours, December runs about 4°C cooler than November and about 1°C warmer than January.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Avg high (°C)	15	15	15	15	15	14	14	14	14	14	14	14	14	14	14	14	14	13	13	13	13	13	13	13	13	13	13	13	13	13	13
Avg low (°C)	7	7	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	5	5	5	5	5	5	5	5	5	5	5	5	5

	Avg high (°C)	Avg low (°C)
1	15	7
2	15	7
3	15	6
4	15	6
5	15	6
6	14	6
7	14	6
8	14	6
9	14	6
10	14	6
11	14	6
12	14	6
13	14	6
14	14	6
15	14	6
16	14	6
17	14	6
18	13	6
19	13	5
20	13	5
21	13	5
22	13	5
23	13	5
24	13	5
25	13	5
26	13	5
27	13	5
28	13	5
29	13	5
30	13	5
31	13	5

How December really feels in Siliana

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

heat index over the day's high

Days feeling ≤ 0°C

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.

Siliana weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 8th-wettest month here — the current month is highlighted below.

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 December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 32% of the time in December, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 22% of December, with mostly cloudy or overcast conditions the remaining 46%.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Clearer (%)	56	56	56	56	56	56	56	56	56	57	56	56	55	55	55	54	54	54	54	54	53	53	53	53	52	52	53	52	53	54	53
Cloudier (%)	44	44	44	44	44	44	44	44	44	43	44	44	45	45	45	46	46	46	46	46	47	47	47	47	48	48	47	48	47	46	47

	Clearer (%)	Cloudier (%)
1	56	44
2	56	44
3	56	44
4	56	44
5	56	44
6	56	44
7	56	44
8	56	44
9	56	44
10	57	43
11	56	44
12	56	44
13	55	45
14	55	45
15	55	45
16	54	46
17	54	46
18	54	46
19	54	46
20	54	46
21	53	47
22	53	47
23	53	47
24	53	47
25	52	48
26	52	48
27	53	47
28	52	48
29	53	47
30	54	46
31	53	47

Chance of precipitation in December

Any precipitationSnow

Siliana gets around 38 mm of rain and snow over 7 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 22% and peaks near 24% on the wettest days, and about 0 day brings snow.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Rain chance (%)	19	19	20	20	20	20	20	20	20	21	21	21	21	21	22	22	22	22	22	22	23	23	23	24	24	24	23	23	23	22	22
Snow chance (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	1	1	1	1	1	1	1	1	2	2	2

	Rain chance (%)	Snow chance (%)
1	19	0
2	19	0
3	20	0
4	20	0
5	20	0
6	20	0
7	20	0
8	20	0
9	20	0
10	21	0
11	21	0
12	21	0
13	21	0
14	21	0
15	22	0
16	22	0
17	22	0
18	22	0
19	22	0
20	22	1
21	23	1
22	23	1
23	23	1
24	24	1
25	24	1
26	24	1
27	23	1
28	23	1
29	23	2
30	22	2
31	22	2

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 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Dry (%)	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100

Wind in December

Winds average 11 km/h in December.

Across December, 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.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Wind speed (km/h)	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	12	12	12	12	12	12	12	12	12	12	12
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm

	Wind speed (km/h)	Feels
1	11	calm
2	11	calm
3	11	calm
4	11	calm
5	11	calm
6	11	calm
7	11	calm
8	11	calm
9	11	calm
10	11	calm
11	11	calm
12	11	calm
13	11	calm
14	11	calm
15	11	calm
16	11	calm
17	11	calm
18	11	calm
19	11	calm
20	11	calm
21	12	calm
22	12	calm
23	12	calm
24	12	calm
25	12	calm
26	12	calm
27	12	calm
28	12	calm
29	12	calm
30	12	calm
31	12	calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 9 h 42 min at the start of December to 9 h 36 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 7:21 AM to 7:38 AM, and sunset from 5:04 PM to 5:13 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Daylight (h)	9.7	9.7	9.7	9.7	9.7	9.7	9.6	9.6	9.6	9.6	9.6	9.6	9.6	9.6	9.6	9.6	9.6	9.6	9.5	9.5	9.5	9.5	9.5	9.5	9.5	9.6	9.6	9.6	9.6	9.6	9.6
Sunrise (AM)	7:21	7:21	7:22	7:23	7:24	7:25	7:26	7:26	7:27	7:28	7:29	7:29	7:30	7:31	7:31	7:32	7:33	7:33	7:34	7:34	7:35	7:35	7:36	7:36	7:36	7:37	7:37	7:38	7:38	7:38	7:38
Sunset (PM)	5:04	5:04	5:04	5:04	5:04	5:04	5:04	5:04	5:04	5:04	5:04	5:04	5:05	5:05	5:05	5:05	5:06	5:06	5:07	5:07	5:07	5:08	5:08	5:09	5:09	5:10	5:10	5:11	5:12	5:12	5:13

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	9.7	7:21	5:04
2	9.7	7:21	5:04
3	9.7	7:22	5:04
4	9.7	7:23	5:04
5	9.7	7:24	5:04
6	9.7	7:25	5:04
7	9.6	7:26	5:04
8	9.6	7:26	5:04
9	9.6	7:27	5:04
10	9.6	7:28	5:04
11	9.6	7:29	5:04
12	9.6	7:29	5:04
13	9.6	7:30	5:05
14	9.6	7:31	5:05
15	9.6	7:31	5:05
16	9.6	7:32	5:05
17	9.6	7:33	5:06
18	9.6	7:33	5:06
19	9.5	7:34	5:07
20	9.5	7:34	5:07
21	9.5	7:35	5:07
22	9.5	7:35	5:08
23	9.5	7:36	5:08
24	9.5	7:36	5:09
25	9.5	7:36	5:09
26	9.6	7:37	5:10
27	9.6	7:37	5:10
28	9.6	7:38	5:11
29	9.6	7:38	5:12
30	9.6	7:38	5:12
31	9.6	7:38	5:13

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.34 kWh/m² — the year's lowest.

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 — December's 2.34 kWh/m² sits near the bottom.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Solar energy (kWh/m²)	2.5	2.5	2.5	2.5	2.4	2.4	2.4	2.4	2.4	2.4	2.4	2.3	2.3	2.3	2.3	2.3	2.3	2.3	2.3	2.3	2.3	2.3	2.3	2.3	2.3	2.3	2.4	2.4	2.4	2.4	2.4
Level	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate

	Solar energy (kWh/m²)	Level
1	2.5	Moderate
2	2.5	Moderate
3	2.5	Moderate
4	2.5	Moderate
5	2.4	Moderate
6	2.4	Moderate
7	2.4	Moderate
8	2.4	Moderate
9	2.4	Moderate
10	2.4	Moderate
11	2.4	Moderate
12	2.3	Moderate
13	2.3	Moderate
14	2.3	Moderate
15	2.3	Moderate
16	2.3	Moderate
17	2.3	Moderate
18	2.3	Moderate
19	2.3	Moderate
20	2.3	Moderate
21	2.3	Moderate
22	2.3	Moderate
23	2.3	Moderate
24	2.3	Moderate
25	2.3	Moderate
26	2.3	Moderate
27	2.4	Moderate
28	2.4	Moderate
29	2.4	Moderate
30	2.4	Moderate
31	2.4	Moderate

Planning a trip in December

Hazard calendar for Siliana

In seasonPeak

None of Siliana's seasonal hazards are active in December. 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 December a good time to visit Siliana?

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

4.3

Sightseeing

9th-best month of the year

0.0

Beach & pool

10th-best month of the year

December is a reasonable time to visit Siliana for sightseeing.

What to pack for Siliana in December

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

In December, Siliana sees daytime highs around 14°C and nights near 6°C. Worth packing: a warm layer. About 7 days see rain.

a warm layer

UV index in Siliana 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 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 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 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

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.

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

cropland 74%

16 km

723 m

cropland 62%

80 km

1,360 m

cropland 51%

treesshrubsgrasslandcroplandartificial surfacesbare terrainwater

← November Siliana year-round climate January →Best places to visit in December

December 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

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).

	Avg high (°C)	Avg low (°C)
1	15	7
2	15	7
3	15	6
4	15	6
5	15	6
6	14	6
7	14	6
8	14	6
9	14	6
10	14	6
11	14	6
12	14	6
13	14	6
14	14	6
15	14	6
16	14	6
17	14	6
18	13	6
19	13	5
20	13	5
21	13	5
22	13	5
23	13	5
24	13	5
25	13	5
26	13	5
27	13	5
28	13	5
29	13	5
30	13	5
31	13	5

	Clearer (%)	Cloudier (%)
1	56	44
2	56	44
3	56	44
4	56	44
5	56	44
6	56	44
7	56	44
8	56	44
9	56	44
10	57	43
11	56	44
12	56	44
13	55	45
14	55	45
15	55	45
16	54	46
17	54	46
18	54	46
19	54	46
20	54	46
21	53	47
22	53	47
23	53	47
24	53	47
25	52	48
26	52	48
27	53	47
28	52	48
29	53	47
30	54	46
31	53	47

	Rain chance (%)	Snow chance (%)
1	19	0
2	19	0
3	20	0
4	20	0
5	20	0
6	20	0
7	20	0
8	20	0
9	20	0
10	21	0
11	21	0
12	21	0
13	21	0
14	21	0
15	22	0
16	22	0
17	22	0
18	22	0
19	22	0
20	22	1
21	23	1
22	23	1
23	23	1
24	24	1
25	24	1
26	24	1
27	23	1
28	23	1
29	23	2
30	22	2
31	22	2

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100

	Avg high (°C)	Avg low (°C)
1	15	7
2	15	7
3	15	6
4	15	6
5	15	6
6	14	6
7	14	6
8	14	6
9	14	6
10	14	6
11	14	6
12	14	6
13	14	6
14	14	6
15	14	6
16	14	6
17	14	6
18	13	6
19	13	5
20	13	5
21	13	5
22	13	5
23	13	5
24	13	5
25	13	5
26	13	5
27	13	5
28	13	5
29	13	5
30	13	5
31	13	5

	Clearer (%)	Cloudier (%)
1	56	44
2	56	44
3	56	44
4	56	44
5	56	44
6	56	44
7	56	44
8	56	44
9	56	44
10	57	43
11	56	44
12	56	44
13	55	45
14	55	45
15	55	45
16	54	46
17	54	46
18	54	46
19	54	46
20	54	46
21	53	47
22	53	47
23	53	47
24	53	47
25	52	48
26	52	48
27	53	47
28	52	48
29	53	47
30	54	46
31	53	47

	Rain chance (%)	Snow chance (%)
1	19	0
2	19	0
3	20	0
4	20	0
5	20	0
6	20	0
7	20	0
8	20	0
9	20	0
10	21	0
11	21	0
12	21	0
13	21	0
14	21	0
15	22	0
16	22	0
17	22	0
18	22	0
19	22	0
20	22	1
21	23	1
22	23	1
23	23	1
24	24	1
25	24	1
26	24	1
27	23	1
28	23	1
29	23	2
30	22	2
31	22	2

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100

	Avg high (°C)	Avg low (°C)
1	15	7
2	15	7
3	15	6
4	15	6
5	15	6
6	14	6
7	14	6
8	14	6
9	14	6
10	14	6
11	14	6
12	14	6
13	14	6
14	14	6
15	14	6
16	14	6
17	14	6
18	13	6
19	13	5
20	13	5
21	13	5
22	13	5
23	13	5
24	13	5
25	13	5
26	13	5
27	13	5
28	13	5
29	13	5
30	13	5
31	13	5

	Clearer (%)	Cloudier (%)
1	56	44
2	56	44
3	56	44
4	56	44
5	56	44
6	56	44
7	56	44
8	56	44
9	56	44
10	57	43
11	56	44
12	56	44
13	55	45
14	55	45
15	55	45
16	54	46
17	54	46
18	54	46
19	54	46
20	54	46
21	53	47
22	53	47
23	53	47
24	53	47
25	52	48
26	52	48
27	53	47
28	52	48
29	53	47
30	54	46
31	53	47

	Rain chance (%)	Snow chance (%)
1	19	0
2	19	0
3	20	0
4	20	0
5	20	0
6	20	0
7	20	0
8	20	0
9	20	0
10	21	0
11	21	0
12	21	0
13	21	0
14	21	0
15	22	0
16	22	0
17	22	0
18	22	0
19	22	0
20	22	1
21	23	1
22	23	1
23	23	1
24	24	1
25	24	1
26	24	1
27	23	1
28	23	1
29	23	2
30	22	2
31	22	2

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100