Magṭa‘ Laḥjar weather in May

In May, Magṭa‘ Laḥjar sees average daytime highs of 42°C and overnight lows near 28°C, with 1 mm of rain across 0.3 wet days and about 12.8 hours of daylight. It is the 1st-warmest and 10th-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 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 13 hours by month's end. Set against the rest of the year, May is Magṭa‘ Laḥjar's 2nd-clearest and 5th-windiest month. For the whole year in context, see Magṭa‘ Laḥjar's year-round climate.

Daytime high
42°
1st warmest
Overnight low
28°
11th coldest
Rainfall
1 mm
0.3 wet days
Daylight
12 h 48 min
6:24 AM – 7:13 PM
Cloud cover
24%
2nd clearest
Wind
17 km/h
5th windiest
Solar energy
7.52 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 Magṭa‘ Laḥjar reaches about 42°C in the afternoon and slips back to 28°C overnight — a 14°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 2°C warmer than April and on par with June.

20°25°30°35°40°45°151015202531
Avg high (°C)Avg low (°C)
14127
24127
34127
44127
54127
64127
74127
84127
94127
104128
114228
124228
134228
144228
154228
164228
174228
184228
194229
204229
214229
224229
234229
244229
254229
264229
274229
284229
294229
304229
314229

How May really feels in Magṭa‘ Laḥjar

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.

Magṭa‘ Laḥjar weather by month

How May compares with the rest of the year at a glance. May is the 1st-warmest and 10th-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 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 12% of May, with mostly cloudy or overcast conditions the remaining 13%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18812
28812
39010
49010
59010
69010
79010
89010
99010
109010
119010
128911
138812
148812
158812
168713
178614
188614
198515
208515
218515
228515
238515
248416
258416
268515
278614
288614
298614
308614
318614

Chance of precipitation in May

Any precipitation

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

0%10%20%30%151015202531
Rain chance (%)
10
20
30
41
51
61
71
81
91
101
111
121
131
141
151
161
171
181
191
201
211
221
231
241
251
261
271
281
292
302
312

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 86% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1963100
2954100
3954100
4945100
5945100
6936100
7927100
8898210
9898210
10889210
118710210
128710210
138611210
148412310
158412310
168412310
178313310
188313310
198313310
208313310
218313310
228313310
238313310
248113411
258113411
268113411
278113411
288013511
297814521
307714621
317615621

Wind in May

Winds average 17 km/h in May.

Across May, daily wind ranges from about 17 km/h on the calmest days to 18 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
118light breeze
218light breeze
318light breeze
417light breeze
517light breeze
617light breeze
717light breeze
817light breeze
917light breeze
1017light breeze
1117light breeze
1217light breeze
1317light breeze
1417light breeze
1517light breeze
1617light breeze
1717light breeze
1817light breeze
1917light breeze
2017light 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 May

DaylightNight

Daylight runs from about 12 h 36 min at the start of May to 13 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 24 minutes over May. Sunrise moves from 6:31 AM to 6:21 AM, and sunset from 7:08 PM to 7:19 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.66:317:08
212.66:307:09
312.76:307:09
412.76:297:09
512.76:297:09
612.76:287:10
712.76:287:10
812.76:277:10
912.76:277:11
1012.76:267:11
1112.86:267:11
1212.86:267:12
1312.86:257:12
1412.86:257:12
1512.86:247:13
1612.86:247:13
1712.86:247:14
1812.86:237:14
1912.96:237:14
2012.96:237:15
2112.96:237:15
2212.96:227:15
2312.96:227:16
2412.96:227:16
2512.96:227:16
2612.96:227:17
2712.96:217:17
2812.96:217:18
2912.96:217:18
3013.06:217:18
3113.06:217:19

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 7.52 kWh/m² — the sunniest month for solar.

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 — May's 7.52 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
257.5Intense
267.5Intense
277.5Intense
287.5Intense
297.5Intense
307.5Intense
317.5Intense
Planning a trip in May

Hazard calendar for Magṭa‘ Laḥjar

In seasonPeak

In May, 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 May a good time to visit Magṭa‘ Laḥjar?

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
1.9
Beach & pool
12th-best month of the year

May is a weaker month for outdoor sightseeing in Magṭa‘ Laḥjar.

What to pack for Magṭa‘ Laḥjar in May

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

In May, Magṭa‘ Laḥjar sees daytime highs around 42°C and nights near 28°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Magṭa‘ Laḥjar in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 11 (very high — sun protection essential). 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 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 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
May 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).