Sélibaby weather in December

In December, Sélibaby sees average daytime highs of 34°C and overnight lows near 21°C, with 1 mm of rain across 0.1 wet days and about 11.1 hours of daylight. It is the 10th-warmest and 7th-wettest month of the year here.

Highs ease over the month, from about 35°C in the first days to 33°C by the end. The sky is clear or mostly clear about 46% of the time in December, and the air most often feels dry.

Daylight stretches from about 11 h 12 min at the start of December to 11 h 06 min by month's end. Set against the rest of the year, December is Sélibaby's 8th-clearest and 3rd-windiest month. For the whole year in context, see Sélibaby's year-round climate.

Daytime high
34°
10th warmest
Overnight low
21°
2nd coldest
Rainfall
1 mm
0.1 wet days
Daylight
11 h 06 min
7:12 AM – 6:18 PM
Cloud cover
46%
8th clearest
Wind
15 km/h
3rd windiest
Solar energy
5.18 kWh/m²
Travel score
4.0
out of 10

Sélibaby is commune of Mauritania.

Density
272/km²
people per km²

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 35°C in the first days to 33°C by the end.

A typical December day in Sélibaby reaches about 34°C in the afternoon and slips back to 21°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 37°C. Set against its neighbours, December runs about 3°C cooler than November and about 1°C warmer than January.

15°20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13522
23521
33521
43521
53421
63421
73421
83421
93421
103421
113421
123421
133421
143420
153420
163420
173420
183420
193420
203420
213320
223320
233320
243320
253320
263320
273320
283320
293320
303320
313320

How December really feels in Sélibaby

Once humidity and wind are folded in, December averages 31 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
31
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.

Sélibaby weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan33° / 20°00.111.24.6
Feb36° / 22°00.111.52.9
Mar39° / 25°00.111.90.8
Apr41° / 28°0012.30.0
May42° / 30°20.512.70.0
Jun40° / 30°132.712.90.3
Jul36° / 27°678.512.82.2
Aug33° / 26°1141212.53.0
Sep34° / 26°889.412.12.9
Oct37° / 26°193.511.71.7
Nov36° / 23°10.211.32.3
Dec34° / 21°10.111.14.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 46% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 14% of December, with mostly cloudy or overcast conditions the remaining 40%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15842
25842
35842
45842
55842
65842
75842
85842
95941
105941
116040
126040
136040
146040
156040
166040
176040
186040
196040
206139
216139
226139
236139
246139
256040
266040
276040
286040
296040
306040
316040

Chance of precipitation in December

Any precipitation

Sélibaby gets around 1 mm of rain over 0.1 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 0% and peaks near 1% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
11
21
31
41
51
61
71
81
91
101
111
120
130
140
150
160
170
180
190
200
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 (%)
196400
296400
396400
495410
596310
696310
796310
896310
996310
1097210
1196211
1296211
1396211
1496211
1596211
1696211
1797111
1897111
1997111
2097111
2198101
2299100
23100000
24100000
25100000
26100000
27100000
28100000
29100000
30100000
31100000

Wind in December

Winds average 15 km/h in December.

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
514light breeze
614light 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
1915light 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 11 h 12 min at the start of December to 11 h 06 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 7:04 AM to 7:19 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)
111.27:046:13
211.27:046:14
311.27:056:14
411.17:056:14
511.17:066:14
611.17:066:15
711.17:076:15
811.17:076:15
911.17:086:16
1011.17:096:16
1111.17:096:16
1211.17:106:17
1311.17:106:17
1411.17:116:17
1511.17:116:18
1611.17:126:18
1711.17:126:18
1811.17:136:19
1911.17:136:19
2011.17:146:20
2111.17:146:20
2211.17:156:21
2311.17:156:21
2411.17:166:22
2511.17:166:22
2611.17:166:23
2711.17:176:23
2811.17:176:24
2911.17:186:24
3011.17:186:25
3111.17:196:25

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.18 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 5.18 kWh/m² to a high of 7.38 kWh/m² in April across the year — December's 5.18 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.2Bright
65.2Bright
75.2Bright
85.2Bright
95.2Bright
105.2Bright
115.2Bright
125.2Bright
135.2Bright
145.2Bright
155.2Bright
165.2Bright
175.2Bright
185.2Bright
195.2Bright
205.2Bright
215.2Bright
225.2Bright
235.2Bright
245.2Bright
255.2Bright
265.2Bright
275.2Bright
285.2Bright
295.2Bright
305.2Bright
315.2Bright
Planning a trip in December

Hazard calendar for Sélibaby

In seasonPeak

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

Sélibaby 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 Sélibaby?

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

4.0
Sightseeing
2nd-best month of the year
7.5
Beach & pool
2nd-best month of the year

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

What to pack for Sélibaby in December

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

In December, Sélibaby sees daytime highs around 34°C and nights near 21°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Sélibaby 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 Sélibaby peaks around March 18 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 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 highExtremeVery highMar 18UV 13Dec 20UV 7
UV index (midday)Level
Jan7Very high
Feb11Extreme
Mar13Extreme
Apr12Extreme
May10Very high
Jun10Very high
Jul11Extreme
Aug13Extreme
Sep12Extreme
Oct10Very high
Nov8Very high
Dec7High

Air quality in Sélibaby 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 Sélibaby is worst in February — around 82 µg/m³ PM2.5 (unhealthy), about 4.8× the cleanest month (August, 17 µg/m³).

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

0306090JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorUnhealthyFeb 1380 µg/m³Aug 1918 µg/m³
PM2.5 (µg/m³)Level
Jan74Unhealthy
Feb82Unhealthy
Mar68Unhealthy
Apr58Unhealthy
May59Unhealthy
Jun54Poor
Jul27Moderate
Aug17Moderate
Sep22Moderate
Oct47Poor
Nov47Poor
Dec70Unhealthy
Location & terrain

Where is Sélibaby?

Sélibaby sits at 15.2°N, 12.2°W, 64 m above sea level, in Mauritania. The nearest listed city is Kayes, 112 km away.

KayesKanelEl ’AyoûnMatamOuro SoguiElghabraThilogneKaédi

Topography around Sélibaby

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

Within 3 km, the terrain around Sélibaby has only modest variations in elevation — a maximum elevation change of 55 m around an average of 62 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 143 m; within 80 km, significant variations in elevation — a maximum elevation change of 400 m.

The land around Sélibaby is covered by grassland (69%) within 3 km, grassland (86%) within 16 km, and grassland (78%) within 80 km.

3 km
55 m
16 km
143 m
80 km
400 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
December weather nearby: Kayes 112 km · Kanel 113 km · El ’Ayoûn 116 km · Matam 127 km · Ouro Sogui 132 km · Elghabra 174 km · Thilogne 179 km · Kaédi 179 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 Sélibaby (15.1585°, -12.1843°, elevation 64 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).