Magṭa‘ Laḥjar weather in December

In December, Magṭa‘ Laḥjar sees average daytime highs of 32°C and overnight lows near 19°C, with 2 mm of rain across 0.3 wet days and about 11 hours of daylight. It is the 11th-warmest and 7th-wettest month of the year here.

Highs ease over the month, from about 33°C in the first days to 31°C by the end. The sky is clear or mostly clear about 49% of the time in December, and the air most often feels dry.

Daylight stretches from about 11 hours at the start of December to 11 hours by month's end. Set against the rest of the year, December is Magṭa‘ Laḥjar's 11th-clearest and 8th-windiest month. For the whole year in context, see Magṭa‘ Laḥjar's year-round climate.

Daytime high
32°
11th warmest
Overnight low
19°
2nd coldest
Rainfall
2 mm
0.3 wet days
Daylight
11 hours
7:20 AM – 6:17 PM
Cloud cover
44%
11th clearest
Wind
16 km/h
8th windiest
Solar energy
4.98 kWh/m²
Travel score
5.0
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 33°C in the first days to 31°C by the end.

A typical December day in Magṭa‘ Laḥjar reaches about 32°C in the afternoon and slips back to 19°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 36°C. Set against its neighbours, December runs about 4°C cooler than November and about 1°C warmer than January.

10°20°30°40°151015202531
Avg high (°C)Avg low (°C)
13320
23320
33320
43320
53320
63320
73319
83219
93219
103219
113219
123219
133219
143219
153219
163219
173219
183219
193219
203218
213218
223218
233218
243218
253218
263218
273118
283118
293118
303118
313118

How December really feels in Magṭa‘ Laḥjar

Once humidity and wind are folded in, December averages 15 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
15
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in December is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Magṭa‘ Laḥjar weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 17°20.211.15.8
Feb33° / 19°20.411.44.5
Mar36° / 22°10.111.92.5
Apr39° / 25°0012.40.5
May42° / 28°10.312.80.0
Jun42° / 29°20.5130.0
Jul39° / 28°9212.90.7
Aug37° / 28°345.812.61.5
Sep38° / 28°285.212.11.0
Oct39° / 27°91.811.60.8
Nov36° / 23°00.111.22.7
Dec32° / 19°20.3115.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 49% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 12% of December, with mostly cloudy or overcast conditions the remaining 39%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15743
25743
35743
45743
55743
65842
75842
85941
95941
106040
116040
126040
136040
146238
156238
166238
176238
186238
196337
206436
216436
226436
236337
246337
256337
266337
276337
286337
296337
306337
316337

Chance of precipitation in December

Any precipitation

Magṭa‘ Laḥjar gets around 2 mm of rain over 0.3 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 1% and peaks near 2% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
11
21
31
41
51
61
72
82
92
102
111
121
131
141
151
161
171
181
191
201
210
220
230
240
250
260
270
280
290
300
310

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 97% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
197210
297210
397210
497210
597210
697120
797120
896121
996121
1096121
1196121
1296121
1396121
1496121
1596121
1697111
1797111
1897111
1997111
2097111
2197111
2298101
2398101
2499100
2599100
26100000
27100000
2899100
2999100
3099100
3199100

Wind in December

Winds average 16 km/h in December.

Across December, daily wind ranges from about 16 km/h on the calmest days to 17 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
116light breeze
216light breeze
316light breeze
416light breeze
516light breeze
616light breeze
716light breeze
816light breeze
916light breeze
1016light breeze
1116light breeze
1216light breeze
1316light breeze
1416light breeze
1516light breeze
1616light breeze
1716light breeze
1816light breeze
1916light breeze
2016light breeze
2116light breeze
2217light breeze
2317light breeze
2417light breeze
2517light breeze
2617light breeze
2717light breeze
2817light breeze
2917light breeze
3017light breeze
3117light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 hours at the start of December to 11 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over December. Sunrise moves from 7:11 AM to 7:27 AM, and sunset from 6:13 PM to 6:25 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.07:116:13
211.07:126:13
311.07:126:13
411.07:136:14
511.07:146:14
611.07:146:14
711.07:156:14
811.07:156:15
911.07:166:15
1011.07:176:15
1111.07:176:15
1211.07:186:16
1311.07:186:16
1411.07:196:17
1511.07:196:17
1611.07:206:17
1711.07:206:18
1811.07:216:18
1911.07:216:19
2011.07:226:19
2111.07:226:19
2211.07:236:20
2311.07:236:20
2411.07:246:21
2511.07:246:21
2611.07:256:22
2711.07:256:22
2811.07:256:23
2911.07:266:23
3011.07:266:24
3111.07:276:25

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.98 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.98 kWh/m² to a high of 7.52 kWh/m² in May across the year — December's 4.98 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.1Bright
45.1Bright
55.0Bright
65.0Bright
75.0Bright
85.0Bright
95.0Bright
105.0Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
165.0Bright
175.0Bright
185.0Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
285.0Bright
295.0Bright
305.0Bright
315.0Bright
Planning a trip in December

Hazard calendar for Magṭa‘ Laḥjar

In seasonPeak

In December, Magṭa‘ Laḥjar sits inside its dust season. The full year is below, with each hazard's peak months called out.

Magṭa‘ Laḥjar sees dust haze year-round, heaviest in June.

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

Is December a good time to visit Magṭa‘ Laḥjar?

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

5.0
Sightseeing
2nd-best month of the year
8.0
Beach & pool
2nd-best month of the year

December is a reasonable time to visit Magṭa‘ Laḥjar for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Magṭa‘ Laḥjar in December

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

In December, Magṭa‘ Laḥjar sees daytime highs around 32°C and nights near 19°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Magṭa‘ Laḥjar in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Magṭa‘ Laḥjar peaks around March 17 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 7 (high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highMar 17UV 12Dec 17UV 7
UV index (midday)Level
Jan8Very high
Feb12Extreme
Mar12Extreme
Apr12Extreme
May11Extreme
Jun10Very high
Jul10Extreme
Aug11Extreme
Sep12Extreme
Oct9Very high
Nov8Very high
Dec7High

Air quality in Magṭa‘ Laḥjar 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 Magṭa‘ Laḥjar is worst in January — around 132 µg/m³ PM2.5 (unhealthy), about 2.4× the cleanest month (September, 54 µg/m³).

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

0306090120150JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyJan 18130 µg/m³Sep 1555 µg/m³
PM2.5 (µg/m³)Level
Jan132Unhealthy
Feb122Unhealthy
Mar93Unhealthy
Apr81Unhealthy
May93Unhealthy
Jun112Unhealthy
Jul93Unhealthy
Aug61Unhealthy
Sep54Poor
Oct63Unhealthy
Nov66Unhealthy
Dec117Unhealthy
Location & terrain

Where is Magṭa‘ Laḥjar?

Magṭa‘ Laḥjar sits at 17.5°N, 13.1°W, 60 m above sea level, in Mauritania. The nearest listed city is Aleg, 101 km away.

AlegElghabraGuerouKaédiBoguéBoutilimittThilogneNdioum

Topography around Magṭa‘ Laḥjar

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

Within 3 km, the terrain around Magṭa‘ Laḥjar has only modest variations in elevation — a maximum elevation change of 19 m around an average of 58 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 82 m; within 80 km, significant variations in elevation — a maximum elevation change of 423 m.

The land around Magṭa‘ Laḥjar is covered by grassland (42%) and bare terrain (38%) within 3 km, grassland (59%) and bare terrain (39%) within 16 km, and bare terrain (58%) and grassland (41%) within 80 km.

3 km
19 m
16 km
82 m
80 km
423 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
December weather nearby: Aleg 101 km · Elghabra 105 km · Guerou 122 km · Kaédi 157 km · Bogué 161 km · Boutilimitt 170 km · Thilogne 186 km · Ndioum 199 km

Mauritania travel facts

Travel advisory
Level 3
Reconsider Travel
Power plugs
Type C / E / F
220 V · 50 Hz
Prices
≈ 31% of US
price level, 2025
GDP per capita
$2,198
2025
Happiness
4.5 / 10
World Happiness, 2025
Homicide rate
1
per 100k, 2020
Road deaths
25.6
per 100k/yr, 2019
Income group
Lower middle
World Bank
Religion
Muslim 100%

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 Magṭa‘ Laḥjar (17.506°, -13.0927°, elevation 60 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).