Arlit weather in May

In May, Arlit sees average daytime highs of 42°C and overnight lows near 28°C, with 1 mm of rain across 0.4 wet days and about 12.9 hours of daylight. It is the 2nd-warmest and 5th-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 42 min at the start of May to 13 hours by month's end. Set against the rest of the year, May is Arlit's 5th-clearest and 3rd-windiest month. For the whole year in context, see Arlit's year-round climate.

Daytime high
42°
2nd warmest
Overnight low
28°
10th coldest
Rainfall
1 mm
0.4 wet days
Daylight
12 h 54 min
6:00 AM – 6:53 PM
Cloud cover
24%
5th clearest
Wind
13 km/h
3rd windiest
Solar energy
7.59 kWh/m²
Travel score
0.0
out of 10

Arlit is urban commune in Niger.

Density
170/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 Arlit 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)
14126
24126
34126
44127
54127
64127
74227
84227
94227
104227
114227
124227
134227
144228
154228
164228
174228
184228
194228
204228
214228
224228
234228
244228
254229
264229
274229
284229
294229
304229
314229

How May really feels in Arlit

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.

Arlit weather by month

How May compares with the rest of the year at a glance. May is the 2nd-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 12°00118.1
Feb31° / 15°0011.46.1
Mar35° / 19°0011.93.2
Apr40° / 24°0012.40.5
May42° / 28°10.412.90.0
Jun42° / 29°20.713.10.0
Jul40° / 28°51.8130.0
Aug40° / 28°164.412.60.3
Sep40° / 27°41.612.10.1
Oct38° / 24°00.111.61.5
Nov33° / 17°0011.14.5
Dec29° / 13°0010.97.2

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 12%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18812
28812
38812
48812
58812
68812
78812
88812
98812
108713
118713
128713
138713
148713
158614
168713
178713
188713
198713
208812
218812
228812
238911
249010
259010
269010
27919
28919
29919
30928
31928

Chance of precipitation in May

Any precipitation

Arlit gets around 1 mm of rain over 0.4 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 3% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
10
20
30
40
50
60
70
80
90
100
110
121
131
141
151
161
171
181
191
201
212
222
232
242
252
262
272
282
293
303
313

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 96% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
197210
298110
398110
498110
599100
699100
799100
899100
999100
1098110
1197210
1297210
1397210
1497210
1597210
1697210
1796220
1896220
1995320
2095320
2195320
2295320
2395320
2494330
2593331
2693331
2793331
2893331
2993331
3093421
3193421

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 42 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 18 minutes over May. Sunrise moves from 6:08 AM to 5:57 AM, and sunset from 6:48 PM to 6:59 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.76:086:48
212.76:076:48
312.76:066:48
412.76:066:49
512.76:056:49
612.76:056:49
712.86:046:50
812.86:046:50
912.86:036:51
1012.86:036:51
1112.86:026:51
1212.86:026:52
1312.86:016:52
1412.96:016:52
1512.96:016:53
1612.96:006:53
1712.96:006:53
1812.96:006:54
1912.95:596:54
2012.95:596:55
2112.95:596:55
2212.95:586:55
2313.05:586:56
2413.05:586:56
2513.05:586:57
2613.05:586:57
2713.05:576:57
2813.05:576:58
2913.05:576:58
3013.05:576:59
3113.05:576:59

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 7.59 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 5.25 kWh/m² to a high of 7.59 kWh/m² in May across the year — May's 7.59 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.6Intense
27.7Intense
37.7Intense
47.7Intense
57.7Intense
67.7Intense
77.7Intense
87.7Intense
97.7Intense
107.7Intense
117.6Intense
127.6Intense
137.6Intense
147.6Intense
157.6Intense
167.6Intense
177.6Intense
187.6Intense
197.6Intense
207.6Intense
217.5Intense
227.5Intense
237.5Intense
247.5Intense
257.5Intense
267.5Intense
277.5Intense
287.4Intense
297.4Intense
307.4Intense
317.4Intense
Planning a trip in May

Hazard calendar for Arlit

In seasonPeak

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

Arlit sees seasonal dust haze (February–October), heaviest in June.

Dust
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is May a good time to visit Arlit?

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

0.0
Sightseeing
10th-best month of the year
1.7
Beach & pool
11th-best month of the year

May is a weaker month for outdoor sightseeing in Arlit.

What to pack for Arlit in May

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

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

light clothessun protection

UV index in Arlit in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Arlit peaks around March 17 at about 12 (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 17UV 12Dec 20UV 7
UV index (midday)Level
Jan7Very high
Feb10Extreme
Mar12Extreme
Apr11Extreme
May8Very high
Jun12Extreme
Jul12Extreme
Aug11Extreme
Sep12Extreme
Oct10Very high
Nov8Very high
Dec7High

Air quality in Arlit 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 Arlit is worst in June — around 73 µg/m³ PM2.5 (unhealthy), and holds fairly steady the rest of the year.

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorUnhealthyJun 1872 µg/m³Nov 1247 µg/m³
PM2.5 (µg/m³)Level
Jan64Unhealthy
Feb71Unhealthy
Mar72Unhealthy
Apr60Unhealthy
May65Unhealthy
Jun73Unhealthy
Jul68Unhealthy
Aug61Unhealthy
Sep46Poor
Oct51Poor
Nov46Poor
Dec64Unhealthy
Location & terrain

Where is Arlit?

Arlit sits at 18.7°N, 7.4°E, 423 m above sea level, in Niger. The nearest listed city is Alaghsas, 202 km away.

AlaghsasAgadezTchin TabaradènAbalakTanoutDakoroTahouaTamanghasset

Topography around Arlit

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

Within 3 km, the terrain around Arlit has only modest variations in elevation — a maximum elevation change of 18 m around an average of 421 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 137 m; within 80 km, large variations in elevation — a maximum elevation change of 636 m.

The land around Arlit is covered by bare terrain (96%) within 3 km, bare terrain (99%) within 16 km, and bare terrain (98%) within 80 km.

3 km
18 m
16 km
137 m
80 km
636 m
grasslandcroplandartificial surfacesbare terrain
May weather nearby: Alaghsas 202 km · Agadez 206 km · Tchin Tabaradèn 358 km · Abalak 384 km · Tanout 448 km · Dakoro 475 km · Tahoua 484 km · Tamanghasset 490 km

Niger travel facts

Travel advisory
Level 4
Do Not Travel
Power plugs
Type A / B / C / D / E / F
220 V · 50 Hz
Prices
≈ 36% of US
price level, 2025
GDP per capita
$775
2025
Happiness
4.9 / 10
World Happiness, 2025
Homicide rate
4.4
per 100k, 2012
Road deaths
25.5
per 100k/yr, 2019
Income group
Low
World Bank
Religion
Muslim 96%ethnic religionist 4%Christian 0%agnostics and other 0%

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 Arlit (18.7369°, 7.3853°, elevation 423 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).