La Marsa weather in December

In December, La Marsa sees average daytime highs of 16°C and overnight lows near 13°C, with 72 mm of rain across 11.2 wet days and about 9.5 hours of daylight. It is the 9th-warmest and 1st-wettest month of the year here.

Highs ease over the month, from about 17°C in the first days to 15°C by the end. The sky is clear or mostly clear about 37% 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 30 min by month's end. Set against the rest of the year, December is La Marsa's 12th-clearest and 2nd-windiest month. For the whole year in context, see La Marsa's year-round climate.

Daytime high
16°
9th warmest
Overnight low
13°
4th coldest
Rainfall
72 mm
11.2 wet days
Daylight
9 h 30 min
7:30 AM – 4:59 PM
Cloud cover
50%
12th clearest
Wind
21 km/h
2nd windiest
Solar energy
2.15 kWh/m²
Travel score
5.1
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 17°C in the first days to 15°C by the end.

A typical December day in La Marsa reaches about 16°C in the afternoon and slips back to 13°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 13°C and 18°C. Set against its neighbours, December runs about 3°C cooler than November and about 2°C warmer than January.

10°15°20°151015202531
Avg high (°C)Avg low (°C)
11714
21714
31714
41714
51714
61714
71714
81714
91714
101613
111613
121613
131613
141613
151613
161613
171613
181613
191613
201613
211613
221613
231613
241613
251512
261512
271512
281512
291512
301512
311512

La Marsa weather by month

How December compares with the rest of the year at a glance. December is the 9th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan15° / 12°7010.19.84.5
Feb14° / 11°619.210.64.4
Mar16° / 12°487.611.75.3
Apr17° / 14°396.912.96.3
May20° / 17°223.713.97.7
Jun24° / 21°71.314.59.0
Jul27° / 23°10.314.39.1
Aug28° / 24°51.313.48.6
Sep26° / 23°375.512.37.9
Oct23° / 20°537.4117.5
Nov19° / 16°6710.1106.3
Dec16° / 13°7211.29.55.1

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 37% of the time in December, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 26% of December, with mostly cloudy or overcast conditions the remaining 37%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16436
26436
36436
46436
56436
66436
76337
86337
96337
106337
116337
126436
136337
146337
156436
166436
176337
186337
196337
206337
216337
226337
236238
246238
256337
266238
276238
286337
296337
306337
316337

Chance of precipitation in December

Any precipitation

La Marsa gets around 72 mm of rain over 11.2 wet days in December, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 36% and peaks near 38% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
138
238
338
438
538
637
737
836
936
1036
1136
1236
1336
1436
1535
1635
1735
1834
1934
2035
2135
2235
2335
2436
2536
2635
2735
2834
2934
3033
3133

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 90% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
177221
278211
380191
481181
583161
684151
786140
887130
988120
1089110
1189110
1290100
139190
149190
159280
169280
179370
189370
199370
209460
219460
229460
239550
249550
259550
269640
279640
289730
299730
309730
319820

Wind in December

Winds average 21 km/h in December.

Across December, daily wind ranges from about 21 km/h on the calmest days to 22 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
121breezy
221breezy
321breezy
421breezy
521breezy
621breezy
721breezy
821breezy
921breezy
1021breezy
1121breezy
1221breezy
1321breezy
1421breezy
1521breezy
1621breezy
1721breezy
1821breezy
1921breezy
2021breezy
2122breezy
2222breezy
2322breezy
2422breezy
2522breezy
2622breezy
2722breezy
2822breezy
2922breezy
3022breezy
3122breezy

Sunrise & sunset in December

DaylightNight

Daylight runs from about 9 h 42 min at the start of December to 9 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over December. Sunrise moves from 7:19 AM to 7:37 AM, and sunset from 4:58 PM to 5:07 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.77:194:58
29.67:204:58
39.67:214:58
49.67:214:58
59.67:224:58
69.67:234:58
79.67:244:58
89.67:254:58
99.57:254:58
109.57:264:58
119.57:274:58
129.57:284:58
139.57:284:59
149.57:294:59
159.57:304:59
169.57:304:59
179.57:315:00
189.57:325:00
199.57:325:00
209.57:335:01
219.57:335:01
229.57:345:02
239.57:345:02
249.57:345:03
259.57:355:03
269.57:355:04
279.57:365:04
289.57:365:05
299.57:365:06
309.57:365:06
319.57:375:07

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.15 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.15 kWh/m² to a high of 7.5 kWh/m² in July across the year — December's 2.15 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.3Moderate
22.3Moderate
32.3Moderate
42.2Moderate
52.2Moderate
62.2Moderate
72.2Moderate
82.2Moderate
92.2Moderate
102.2Moderate
112.1Moderate
122.1Moderate
132.1Moderate
142.1Moderate
152.1Moderate
162.1Moderate
172.1Moderate
182.1Moderate
192.1Moderate
202.1Moderate
212.1Moderate
222.1Moderate
232.1Moderate
242.1Moderate
252.2Moderate
262.2Moderate
272.2Moderate
282.2Moderate
292.2Moderate
302.2Moderate
312.2Moderate
Planning a trip in December

Hazard calendar for La Marsa

In seasonPeak

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

La Marsa 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 La Marsa?

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

5.1
Sightseeing
10th-best month of the year
0.7
Beach & pool
9th-best month of the year

December is a reasonable time to visit La Marsa for sightseeing.

What to pack for La Marsa in December

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

In December, La Marsa sees daytime highs around 16°C and nights near 13°C. Worth packing: a warm layer, rain gear and a windbreaker. About 11 days see rain.

a warm layerrain geara windbreaker

Sea temperature near La Marsa 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 offshore is warmest in August at about 26°C and coldest in February near 15°C.

It's comfortable for a long swim from Jun 3 to Nov 19 — about 5.6 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan16Cool
Feb15Bracing
Mar15Bracing
Apr16Cool
May18Cool
Jun21Refreshing
Jul25Warm
Aug26Warm
Sep25Warm
Oct23Refreshing
Nov20Refreshing
Dec17Cool

UV index in La Marsa 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 La Marsa peaks around July 16 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighModerateHighVery highHighModerateJul 16UV 10Dec 21UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar6High
Apr4Moderate
May6High
Jun8Very high
Jul10Extreme
Aug8Very high
Sep7High
Oct5High
Nov3Moderate
Dec2Low

Air quality in La Marsa 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 La Marsa is worst in February — around 38 µg/m³ PM2.5 (poor), about 1.6× the cleanest month (August, 24 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecPoorModeratePoorFeb 1638 µg/m³Aug 1024 µg/m³
PM2.5 (µg/m³)Level
Jan36Poor
Feb38Poor
Mar36Poor
Apr33Moderate
May29Moderate
Jun25Moderate
Jul24Moderate
Aug24Moderate
Sep27Moderate
Oct31Moderate
Nov34Moderate
Dec37Poor
Location & terrain

Where is La Marsa?

La Marsa sits at 36.9°N, 10.3°E, 12 m above sea level, in Tunisia. The nearest listed city is Carthage, 2.0 km away.

Topography around La Marsa

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

Within 3 km, the terrain around La Marsa has only modest variations in elevation — a maximum elevation change of 128 m around an average of 16 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 236 m; within 80 km, large variations in elevation — a maximum elevation change of 1,190 m.

The land around La Marsa is covered by artificial surfaces (44%) and water (31%) within 3 km, water (69%) within 16 km, and water (42%) and cropland (28%) within 80 km.

3 km
128 m
16 km
236 m
80 km
1,190 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
December weather nearby: Carthage 2.0 km · Le Kram 5.0 km · La Goulette 7.0 km · Sukrah 7.0 km · Aryanah 12 km · La Gazelle 12 km · Radès 13 km · Mégrine 14 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 La Marsa (36.8782°, 10.3247°, elevation 12 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).