El ’Ayoûn weather in May

In May, El ’Ayoûn sees average daytime highs of 42°C and overnight lows near 30°C, with 4 mm of rain across 1.1 wet days and about 12.7 hours of daylight. It is the 1st-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 42°C through the month. The sky is clear or mostly clear about 64% of the time in May, and the air most often feels dry.

Daylight stretches from about 12 h 36 min at the start of May to 12 h 48 min by month's end. Set against the rest of the year, May is El ’Ayoûn's 3rd-clearest and 10th-windiest month. For the whole year in context, see El ’Ayoûn's year-round climate.

Daytime high
42°
1st warmest
Overnight low
30°
12th coldest
Rainfall
4 mm
1.1 wet days
Daylight
12 h 42 min
6:19 AM – 7:03 PM
Cloud cover
33%
3rd clearest
Wind
12 km/h
10th windiest
Solar energy
7.29 kWh/m²
Travel score
0.0
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 42°C through the month.

A typical May day in El ’Ayoûn reaches about 42°C in the afternoon and slips back to 30°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 39°C and 44°C. Set against its neighbours, May runs about 1°C warmer than April and about 2°C warmer than June.

25°30°35°40°45°151015202531
Avg high (°C)Avg low (°C)
14229
24229
34230
44230
54230
64230
74230
84230
94230
104230
114230
124230
134230
144230
154230
164230
174230
184230
194231
204231
214231
224231
234231
244231
254231
264231
274231
284231
294231
304231
314131

How May really feels in El ’Ayoûn

Once humidity and wind are folded in, May 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
31 feel dangerously hot (≥ 39°C)
Days feeling ≤ C
0
wind chill below the day's low

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

El ’Ayoûn weather by month

How May compares with the rest of the year at a glance. May is the 1st-warmest and 6th-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 May

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 15% of May, with mostly cloudy or overcast conditions the remaining 21%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18317
28317
38317
48317
58218
68218
78218
88218
98119
108119
118119
128020
138020
147921
157921
167921
177822
187723
197723
207822
217822
227723
237723
247723
257624
267624
277624
287525
297525
307426
317426

Chance of precipitation in May

Any precipitation

El ’Ayoûn gets around 4 mm of rain over 1.1 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 4% and peaks near 7% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
11
21
31
41
52
62
72
82
93
103
113
123
134
144
154
164
174
184
194
205
215
225
235
245
255
265
276
286
296
306
317

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

Most of May feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, May lands in the dry band about 70% of days. Sticky, muggy-or-worse air turns up on roughly 5% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1887410
2887410
3878410
4878410
5859420
68310520
78310520
88111620
97912630
107713730
117614730
127415830
137216840
147116940
156917941
1667181041
1767181041
1866191041
1965191051
2063201151
2163201151
2262201161
2360211162
2460211162
2559211172
2658211272
2756221282
2854221392
2953221492
30512215102
31492216112

Wind in May

Winds average 12 km/h in May.

Across May, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3012light breeze
3112light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 36 min at the start of May to 12 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over May. Sunrise moves from 6:25 AM to 6:17 AM, and sunset from 6:58 PM to 7:08 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.66:256:58
212.66:256:59
312.66:246:59
412.66:246:59
512.66:236:59
612.66:237:00
712.66:237:00
812.66:227:00
912.66:227:01
1012.76:217:01
1112.76:217:01
1212.76:217:01
1312.76:207:02
1412.76:207:02
1512.76:207:02
1612.76:197:03
1712.76:197:03
1812.76:197:03
1912.86:187:04
2012.86:187:04
2112.86:187:04
2212.86:187:05
2312.86:187:05
2412.86:177:05
2512.86:177:06
2612.86:177:06
2712.86:177:06
2812.86:177:07
2912.86:177:07
3012.86:177:07
3112.86:177:08

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 7.29 kWh/m².

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 — May's 7.29 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.4Intense
27.4Intense
37.4Intense
47.4Intense
57.4Intense
67.4Intense
77.4Intense
87.4Intense
97.4Intense
107.3Intense
117.3Intense
127.3Intense
137.3Intense
147.3Intense
157.3Intense
167.3Intense
177.3Intense
187.2Intense
197.2Intense
207.2Intense
217.2Intense
227.2Intense
237.2Intense
247.2Intense
257.2Intense
267.2Intense
277.2Intense
287.2Intense
297.2Intense
307.2Intense
317.2Intense
Planning a trip in May

Hazard calendar for El ’Ayoûn

In seasonPeak

In May, 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 May a good time to visit El ’Ayoûn?

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

0.0
Sightseeing
11th-best month of the year
1.6
Beach & pool
12th-best month of the year

May is a weaker month for outdoor sightseeing in El ’Ayoûn.

What to pack for El ’Ayoûn in May

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

In May, El ’Ayoûn sees daytime highs around 42°C and nights near 30°C. Pack light clothes and sun protection.

light clothessun protection

UV index in El ’Ayoûn in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 9 (very high — sun protection essential). 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 May

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where May 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
May 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).