Mareth weather in December

In December, Mareth sees average daytime highs of 17°C and overnight lows near 9°C, with 18 mm of rain across 3.1 wet days and about 9.8 hours of daylight. It is the 11th-warmest and 3rd-wettest month of the year here.

Highs ease over the month, from about 19°C in the first days to 16°C by the end. The sky is clear or mostly clear about 64% of the time in December, and the air most often feels dry.

Daylight stretches from about 9 h 54 min at the start of December to 9 h 48 min by month's end. Set against the rest of the year, December is Mareth's 8th-clearest and 1st-windiest month. For the whole year in context, see Mareth's year-round climate.

Daytime high
17°
11th warmest
Overnight low
3rd coldest
Rainfall
18 mm
3.1 wet days
Daylight
9 h 48 min
7:22 AM – 5:08 PM
Cloud cover
33%
8th clearest
Wind
15 km/h
1st windiest
Solar energy
2.95 kWh/m²
Travel score
7.0
out of 10

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 16°C by the end.

A typical December day in Mareth reaches about 17°C in the afternoon and slips back to 9°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 21°C. Set against its neighbours, December runs about 5°C cooler than November and about 1°C warmer than January.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
11911
21911
31910
41910
51810
61810
71810
81810
91810
101810
111810
121810
13189
14179
15179
16179
17179
18179
19179
20179
21179
22179
23179
24179
25179
26179
27169
28169
29169
30169
31168

How December really feels in Mareth

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.

Mareth weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan16° / 163.1106.3
Feb18° / 142.710.87.1
Mar21° / 11°182.611.78.0
Apr24° / 14°112.112.88.7
May28° / 18°51.313.77.6
Jun32° / 21°10.314.25.3
Jul35° / 24°00.1143.6
Aug35° / 25°20.513.23.4
Sep32° / 23°172.612.25.1
Oct28° / 19°21311.27.4
Nov22° / 13°14310.38.2
Dec17° / 183.19.87.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 64% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 13% of December, with mostly cloudy or overcast conditions the remaining 23%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17723
27822
37822
47822
57822
67921
77822
87822
97822
107723
117723
127723
137723
147624
157624
167624
177624
187723
197723
207624
217624
227624
237723
247723
257723
267723
277822
287822
297822
307921
317921

Chance of precipitation in December

Any precipitation

Mareth gets around 18 mm of rain over 3.1 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 9% and peaks near 10% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
19
29
39
410
510
610
710
810
910
109
119
129
139
149
159
169
179
189
199
209
219
2210
2310
2410
2510
2610
2710
2810
299
309
319

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 98% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1955
2964
3964
4964
5973
6973
7973
8982
9982
10982
11982
12982
13982
14991
15991
16991
17991
18991
19991
20991
21991
22991
23991
24991
25991
26991
27991
281000
291000
301000
311000

Wind in December

Winds average 15 km/h in December, the windiest month of the year.

Across December, daily wind ranges from about 14 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
515light breeze
615light breeze
715light breeze
815light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1916light breeze
2016light breeze
2116light breeze
2216light breeze
2316light breeze
2416light breeze
2516light breeze
2616light breeze
2716light breeze
2816light breeze
2916light breeze
3016light breeze
3116light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 9 h 54 min at the start of December to 9 h 48 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 7:11 AM to 7:28 AM, and sunset from 5:07 PM to 5:16 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.97:115:07
29.97:125:06
39.97:125:06
49.97:135:06
59.97:145:06
69.97:155:06
79.97:155:07
89.87:165:07
99.87:175:07
109.87:185:07
119.87:185:07
129.87:195:07
139.87:205:08
149.87:205:08
159.87:215:08
169.87:225:08
179.87:225:09
189.87:235:09
199.87:235:10
209.87:245:10
219.87:245:10
229.87:255:11
239.87:255:11
249.87:265:12
259.87:265:12
269.87:275:13
279.87:275:13
289.87:275:14
299.87:285:15
309.87:285:15
319.87:285:16

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.95 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.95 kWh/m² to a high of 7.75 kWh/m² in July across the year — December's 2.95 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.1Moderate
23.1Moderate
33.1Moderate
43.1Moderate
53.0Moderate
63.0Moderate
73.0Moderate
83.0Moderate
93.0Moderate
103.0Moderate
113.0Moderate
123.0Moderate
133.0Moderate
142.9Moderate
152.9Moderate
162.9Moderate
172.9Moderate
182.9Moderate
192.9Moderate
202.9Moderate
212.9Moderate
222.9Moderate
232.9Moderate
243.0Moderate
253.0Moderate
263.0Moderate
273.0Moderate
283.0Moderate
293.0Moderate
303.0Moderate
313.0Moderate
Planning a trip in December

Hazard calendar for Mareth

In seasonPeak

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

Mareth 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 Mareth?

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
2.0
Beach & pool
11th-best month of the year

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

What to pack for Mareth in December

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

In December, Mareth sees daytime highs around 17°C and nights near 9°C. Little to plan around — just the basics. About 3 days see rain.

Sea temperature near Mareth in December

The nearest coast averages about 17°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 30 km away) is warmest in August at about 29°C and coldest in February near 14°C.

It's comfortable for a long swim from May 8 to Nov 26 — about 6.7 months when the water holds above 20°C.

10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan15Bracing
Feb14Bracing
Mar15Cool
Apr18Cool
May21Refreshing
Jun24Warm
Jul27Warm
Aug29Tropical
Sep28Warm
Oct25Warm
Nov22Refreshing
Dec17Cool

UV index in Mareth in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 3. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Mareth peaks around June 21 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJun 21UV 10Dec 22UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar7High
Apr6High
May7High
Jun11Extreme
Jul10Very high
Aug9Very high
Sep8Very high
Oct7High
Nov4Moderate
Dec3Moderate

Air quality in Mareth 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 Mareth is worst in January — around 40 µg/m³ PM2.5 (poor), about 3.5× the cleanest month (July, 12 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModerateGoodModerateJan 1739 µg/m³Jul 2212 µg/m³
PM2.5 (µg/m³)Level
Jan40Poor
Feb33Moderate
Mar34Moderate
Apr29Moderate
May21Moderate
Jun16Moderate
Jul12Good
Aug12Moderate
Sep16Moderate
Oct22Moderate
Nov30Moderate
Dec32Moderate
Location & terrain

Where is Mareth?

Mareth sits at 33.6°N, 10.3°E, 51 m above sea level, in Tunisia. The nearest listed city is Teboulbou, 30 km away.

AjimMétouia

Topography around Mareth

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

Within 3 km, the terrain around Mareth has only modest variations in elevation — a maximum elevation change of 37 m around an average of 50 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 355 m; within 80 km, large variations in elevation — a maximum elevation change of 684 m.

The land around Mareth is covered by cropland (47%) within 3 km, bare terrain (34%) and grassland (31%) within 16 km, and bare terrain (54%) and water (28%) within 80 km.

3 km
37 m
16 km
355 m
80 km
684 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
December weather nearby: Teboulbou 30 km · Matmata 30 km · Gabes 34 km · Chenini Nahal 35 km · Medenine 36 km · Rhennouch 41 km · Ajim 45 km · Métouia 46 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 Mareth (33.6179°, 10.2854°, elevation 51 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).