Aleg weather in May

In May, Aleg sees average daytime highs of 41°C and overnight lows near 27°C, with 0 mm of rain across 0 wet days and about 12.8 hours of daylight. It is the 1st-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 41°C through the month. The sky is clear or mostly clear about 76% 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 54 min by month's end. Set against the rest of the year, May is Aleg's 2nd-clearest and 3rd-windiest month. For the whole year in context, see Aleg's year-round climate.

Daytime high
41°
1st warmest
Overnight low
27°
10th coldest
Rainfall
0 mm
0 wet days
Daylight
12 h 48 min
6:28 AM – 7:16 PM
Cloud cover
24%
2nd clearest
Wind
19 km/h
3rd windiest
Solar energy
7.51 kWh/m²
Travel score
0.0
out of 10

Aleg is commune of Mauritania.

Density
218/km²
people per km²

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

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 41°C through the month.

A typical May day in Aleg reaches about 41°C in the afternoon and slips back to 27°C overnight — a 14°C spread between the day's warmth and the night's chill. On most days the high lands between 38°C and 44°C. Set against its neighbours, May runs about 2°C warmer than April and on par with June.

20°25°30°35°40°45°151015202531
Avg high (°C)Avg low (°C)
14026
24026
34026
44026
54126
64126
74126
84126
94127
104127
114127
124127
134127
144127
154127
164127
174127
184127
194128
204128
214128
224128
234128
244128
254128
264128
274128
284128
294128
304128
314128

How May really feels in Aleg

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.

Aleg weather by month

How May compares with the rest of the year at a glance. May is the 1st-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 18°20.211.15.7
Feb33° / 19°10.211.44.4
Mar36° / 22°10.211.92.5
Apr39° / 24°00.112.40.7
May41° / 27°0012.80.0
Jun41° / 28°20.6130.0
Jul38° / 27°122.612.91.1
Aug37° / 27°546.612.61.8
Sep38° / 27°375.912.11.4
Oct39° / 26°111.811.60.9
Nov36° / 23°00.111.22.6
Dec32° / 19°20.3114.8

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 76% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 10% of May, with mostly cloudy or overcast conditions the remaining 14%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18812
28812
38812
49010
59010
69010
79010
89010
98911
108911
118911
128812
138713
148713
158614
168515
178515
188317
198317
208218
218218
228218
238218
248119
258119
268218
278317
288317
298317
308416
318515

Chance of precipitation in May

Any precipitation

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

0%10%20%30%151015202531
Rain chance (%)
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
190
200
210
220
230
240
250
260
270
280
291
301
311

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 79% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1936100
2927100
3927100
4908200
5899200
6889300
78610400
88610400
98411500
108311600
118212600
128013700
138013700
147814800
157814800
167814800
177714900
187714900
197615900
207515910
217515910
227515910
237416910
247416910
257317910
267218910
277119910
2869201010
2968211010
3064221121
3162231221

Wind in May

Winds average 19 km/h in May.

Across May, daily wind ranges from about 18 km/h on the calmest days to 19 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
119light breeze
219light breeze
319light breeze
419light breeze
519light breeze
619light breeze
719light breeze
819light breeze
919light breeze
1019light breeze
1119light breeze
1219light breeze
1319light breeze
1418light breeze
1518light breeze
1618light breeze
1718light breeze
1818light breeze
1918light breeze
2018light breeze
2118light breeze
2218light breeze
2318light breeze
2418light breeze
2518light breeze
2618light breeze
2718light breeze
2818light breeze
2918light breeze
3018light breeze
3118light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 36 min at the start of May to 12 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over May. Sunrise moves from 6:35 AM to 6:25 AM, and sunset from 7:11 PM to 7:21 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.66:357:11
212.66:347:11
312.66:347:12
412.66:337:12
512.76:337:12
612.76:327:13
712.76:327:13
812.76:317:13
912.76:317:13
1012.76:307:14
1112.76:307:14
1212.76:297:14
1312.86:297:15
1412.86:297:15
1512.86:287:15
1612.86:287:16
1712.86:287:16
1812.86:277:16
1912.86:277:17
2012.86:277:17
2112.86:277:18
2212.96:267:18
2312.96:267:18
2412.96:267:19
2512.96:267:19
2612.96:267:19
2712.96:257:20
2812.96:257:20
2912.96:257:20
3012.96:257:21
3112.96:257:21

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 7.51 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 5.01 kWh/m² to a high of 7.51 kWh/m² in May across the year — May's 7.51 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.6Intense
27.6Intense
37.6Intense
47.6Intense
57.6Intense
67.6Intense
77.6Intense
87.6Intense
97.5Intense
107.5Intense
117.5Intense
127.5Intense
137.5Intense
147.5Intense
157.5Intense
167.5Intense
177.5Intense
187.5Intense
197.5Intense
207.5Intense
217.5Intense
227.5Intense
237.5Intense
247.5Intense
257.4Intense
267.4Intense
277.4Intense
287.4Intense
297.4Intense
307.4Intense
317.4Intense
Planning a trip in May

Hazard calendar for Aleg

In seasonPeak

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

Aleg 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 Aleg?

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
2.4
Beach & pool
12th-best month of the year

May is a weaker month for outdoor sightseeing in Aleg.

What to pack for Aleg in May

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

In May, Aleg sees daytime highs around 41°C and nights near 27°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Aleg in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Aleg peaks around March 12 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highExtremeVery highHighMar 12UV 12Dec 17UV 6
UV index (midday)Level
Jan8Very high
Feb12Extreme
Mar12Extreme
Apr10Extreme
May10Extreme
Jun10Very high
Jul10Very high
Aug11Extreme
Sep11Extreme
Oct9Very high
Nov8Very high
Dec6High

Air quality in Aleg 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 Aleg is worst in February — around 143 µg/m³ PM2.5 (unhealthy), about 2.4× the cleanest month (September, 60 µg/m³).

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

0306090120150JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyFeb 8143 µg/m³Sep 1161 µg/m³
PM2.5 (µg/m³)Level
Jan142Unhealthy
Feb143Unhealthy
Mar110Unhealthy
Apr110Unhealthy
May126Unhealthy
Jun134Unhealthy
Jul95Unhealthy
Aug64Unhealthy
Sep60Unhealthy
Oct75Unhealthy
Nov75Unhealthy
Dec129Unhealthy
Location & terrain

Where is Aleg?

Aleg sits at 17.1°N, 13.9°W, 40 m above sea level, in Mauritania. The nearest listed city is Bogué, 63 km away.

NdioumBoutilimittMagṭa‘ LaḥjarKaédiPodorThilogneElghabra

Topography around Aleg

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

Within 3 km, the terrain around Aleg has only modest variations in elevation — a maximum elevation change of 26 m around an average of 34 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 45 m; within 80 km, only modest variations in elevation — a maximum elevation change of 131 m.

The land around Aleg is covered by grassland (57%) and bare terrain (28%) within 3 km, grassland (65%) and bare terrain (28%) within 16 km, and grassland (70%) and bare terrain (27%) within 80 km.

3 km
26 m
16 km
45 m
80 km
131 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwetland
May weather nearby: Bogué 63 km · Ndioum 99 km · Boutilimitt 100 km · Magṭa‘ Laḥjar 101 km · Kaédi 109 km · Podor 120 km · Thilogne 128 km · Elghabra 140 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 Aleg (17.0531°, -13.9131°, elevation 40 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).