El ’Ayoûn weather in December

In December, El ’Ayoûn sees average daytime highs of 33°C and overnight lows near 20°C, with 1 mm of rain across 0.1 wet days and about 11.1 hours of daylight. It is the 10th-warmest and 8th-wettest month of the year here.

Highs ease over the month, from about 34°C in the first days to 32°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 06 min at the start of December to 11 h 06 min by month's end. Set against the rest of the year, December is El ’Ayoûn's 9th-clearest and 3rd-windiest month. For the whole year in context, see El ’Ayoûn's year-round climate.

Daytime high
33°
10th warmest
Overnight low
20°
2nd coldest
Rainfall
1 mm
0.1 wet days
Daylight
11 h 06 min
7:08 AM – 6:13 PM
Cloud cover
45%
9th clearest
Wind
16 km/h
3rd windiest
Solar energy
5.17 kWh/m²
Travel score
4.4
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 34°C in the first days to 32°C by the end.

A typical December day in El ’Ayoûn reaches about 33°C in the afternoon and slips back to 20°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 29°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
23421
33421
43421
53421
63421
73421
83421
93321
103321
113320
123320
133320
143320
153320
163320
173320
183320
193320
203320
213320
223320
233320
243320
253320
263220
273220
283220
293219
303219
313219

How December really feels in El ’Ayoûn

Once humidity and wind are folded in, December averages 30 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
30
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.

El ’Ayoûn 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.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 19°10.211.25.1
Feb35° / 22°00.111.53.3
Mar38° / 25°00.111.91.2
Apr41° / 28°00.112.30.0
May42° / 30°41.112.70.0
Jun40° / 30°153.112.90.3
Jul36° / 27°779.112.82.3
Aug33° / 25°12412.912.53.2
Sep34° / 26°939.612.13.0
Oct37° / 26°244.611.61.8
Nov36° / 23°10.311.32.4
Dec33° / 20°10.111.14.4

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 41%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15743
25743
35743
45743
55743
65743
75743
85842
95842
105842
115842
125941
135941
145941
155941
166040
175941
186040
196040
206139
216139
226139
236139
246139
256139
266139
276139
286139
296139
306139
316139

Chance of precipitation in December

Any precipitation

El ’Ayoûn 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 (%)
10
20
30
40
50
60
71
81
91
101
110
120
130
140
150
160
170
180
190
200
210
220
230
240
250
260
270
280
291
301
311

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 (%)Humid (%)
19820
29820
39820
49820
59820
69820
79820
89721
99721
109721
119721
129721
139721
149721
159721
169721
179721
189811
199811
209811
219811
229811
239811
2410000
2510000
2610000
2710000
2810000
2910000
309910
319910

Wind in December

Winds average 16 km/h in December.

Across December, daily wind ranges from about 15 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
115light breeze
215light breeze
315light breeze
415light breeze
515light breeze
615light breeze
715light 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
2117light 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 h 06 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 grow by about 0 minutes over December. Sunrise moves from 7:00 AM to 7:15 AM, and sunset from 6:09 PM to 6:21 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.17:006:09
211.17:016:09
311.17:016:09
411.17:026:09
511.17:026:10
611.17:036:10
711.17:046:10
811.17:046:10
911.17:056:11
1011.17:056:11
1111.17:066:11
1211.17:066:12
1311.17:076:12
1411.17:076:13
1511.17:086:13
1611.17:086:13
1711.17:096:14
1811.17:096:14
1911.17:106:15
2011.17:106:15
2111.17:116:15
2211.17:116:16
2311.17:126:16
2411.17:126:17
2511.17:136:17
2611.17:136:18
2711.17:146:18
2811.17:146:19
2911.17:146:19
3011.17:156:20
3111.17:156:21

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.17 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 5.17 kWh/m² to a high of 7.37 kWh/m² in April across the year — December's 5.17 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.2Bright
45.2Bright
55.2Bright
65.2Bright
75.2Bright
85.2Bright
95.2Bright
105.2Bright
115.2Bright
125.2Bright
135.1Bright
145.1Bright
155.1Bright
165.1Bright
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 El ’Ayoûn

In seasonPeak

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

El ’Ayoûn 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 El ’Ayoûn?

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

4.4
Sightseeing
2nd-best month of the year
7.7
Beach & pool
2nd-best month of the year

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

What to pack for El ’Ayoûn in December

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

In December, El ’Ayoûn sees daytime highs around 33°C and nights near 20°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in El ’Ayoûn in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in El ’Ayoûn peaks around March 22 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 5 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highExtremeVery highHighMar 22UV 13Dec 19UV 5
UV index (midday)Level
Jan7High
Feb10Very high
Mar13Extreme
Apr13Extreme
May9Very high
Jun10Very high
Jul11Extreme
Aug13Extreme
Sep12Extreme
Oct10Very high
Nov8Very high
Dec5High

Air quality in El ’Ayoûn 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 El ’Ayoûn is worst in January — around 95 µg/m³ PM2.5 (unhealthy), about 4.8× the cleanest month (August, 20 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyModeratePoorUnhealthyJan 2295 µg/m³Aug 2021 µg/m³
PM2.5 (µg/m³)Level
Jan95Unhealthy
Feb94Unhealthy
Mar76Unhealthy
Apr62Unhealthy
May62Unhealthy
Jun65Unhealthy
Jul34Moderate
Aug20Moderate
Sep24Moderate
Oct42Poor
Nov49Poor
Dec87Unhealthy
Location & terrain

Where is El ’Ayoûn?

El ’Ayoûn sits at 15.6°N, 11.2°W, 179 m above sea level, in Mauritania. The nearest listed city is Sélibaby, 116 km away.

SélibabyKiffaKayesṬinṭâneNioroGuerouElghabra

Topography around El ’Ayoûn

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

Within 3 km, the terrain around El ’Ayoûn has only modest variations in elevation — a maximum elevation change of 154 m around an average of 195 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 204 m; within 80 km, significant variations in elevation — a maximum elevation change of 361 m.

The land around El ’Ayoûn is covered by grassland (91%) within 3 km, grassland (91%) within 16 km, and grassland (91%) within 80 km.

3 km
154 m
16 km
204 m
80 km
361 m
shrubsgrasslandcroplandbare terrain
December weather nearby: Sélibaby 116 km · Kiffa 121 km · Kayes 127 km · Ṭinṭâne 142 km · Nioro 174 km · Guerou 192 km · Bafoulabé 198 km · Elghabra 200 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 El ’Ayoûn (15.5579°, -11.18°, elevation 179 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).