Sélibaby weather in May

In May, Sélibaby sees average daytime highs of 42°C and overnight lows near 30°C, with 2 mm of rain across 0.5 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 67% of the time in May, and the air most often feels dry.

Daylight stretches from about 12 h 30 min at the start of May to 12 h 48 min by month's end. Set against the rest of the year, May is Sélibaby's 3rd-clearest and 8th-windiest month. For the whole year in context, see Sélibaby's year-round climate.

Daytime high
42°
1st warmest
Overnight low
30°
12th coldest
Rainfall
2 mm
0.5 wet days
Daylight
12 h 42 min
6:24 AM – 7:06 PM
Cloud cover
31%
3rd clearest
Wind
13 km/h
8th windiest
Solar energy
7.32 kWh/m²
Travel score
0.0
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 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 Sélibaby 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 40°C and 44°C. Set against its neighbours, May runs on par with April and about 2°C warmer than June.

25°30°35°40°45°151015202531
Avg high (°C)Avg low (°C)
14229
24229
34229
44229
54230
64230
74230
84230
94230
104230
114230
124230
134230
144230
154230
164230
174230
184230
194230
204230
214230
224230
234230
244230
254230
264230
274230
284230
294230
304130
314130

How May really feels in Sélibaby

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.

Sélibaby 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
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 May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 67% 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 21%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18218
28218
38218
48218
58218
68317
78317
88317
98218
108218
118218
128218
138119
148119
158020
168020
177822
187822
197822
207723
217723
227723
237624
247624
257624
267624
277624
287525
297525
307525
317426

Chance of precipitation in May

Any precipitation

Sélibaby gets around 2 mm of rain over 0.5 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 2% and peaks near 4% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
10
20
30
41
51
61
71
81
91
101
111
122
132
142
152
162
172
182
192
202
213
223
233
243
253
263
273
283
294
304
314

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 61% of days. Sticky, muggy-or-worse air turns up on roughly 6% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
18610310
28610310
38411410
48411410
58312410
68013520
77814620
87714720
97515730
107316830
117017931
1267181041
1365191141
1463201241
1560211351
1658221451
1756231551
1855241551
1954241651
2051251761
2151251761
2249261861
2347261871
2446261972
2545271982
2644271982
2743272092
28412720102
29402721102
30382721113
31362722123

Wind in May

Winds average 13 km/h in May.

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

05101520151015202531
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
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 30 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 18 minutes over May. Sunrise moves from 6:30 AM to 6:21 AM, and sunset from 7:02 PM to 7:11 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.56:307:02
212.56:297:02
312.66:297:02
412.66:287:03
512.66:287:03
612.66:287:03
712.66:277:03
812.66:277:04
912.66:267:04
1012.66:267:04
1112.76:267:05
1212.76:257:05
1312.76:257:05
1412.76:257:05
1512.76:247:06
1612.76:247:06
1712.76:247:06
1812.76:237:07
1912.76:237:07
2012.76:237:07
2112.76:237:08
2212.86:227:08
2312.86:227:08
2412.86:227:09
2512.86:227:09
2612.86:227:09
2712.86:227:10
2812.86:227:10
2912.86:227:10
3012.86:217:11
3112.86:217:11

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 7.32 kWh/m².

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 — May's 7.32 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
107.4Intense
117.4Intense
127.3Intense
137.3Intense
147.3Intense
157.3Intense
167.3Intense
177.3Intense
187.3Intense
197.3Intense
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 Sélibaby

In seasonPeak

In May, 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 May a good time to visit Sélibaby?

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 Sélibaby.

What to pack for Sélibaby in May

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

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

light clothessun protection

UV index in Sélibaby 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 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 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 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
May 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).