Arlit in Summer
In summer (June, July and August), Arlit sees average daytime highs around 41°C and overnight lows near 28°C, with 23 mm of rain over about 7 wet days across the season. It is the warmest season of the year and the wettest season of the year.
Over the season highs ease from about 42°C in early June to 39°C by late August. The sky is clear or mostly clear about 84% of the time across summer, and the air most often feels dry.
Summer is Arlit's weakest season of the year to visit on our travel score. For the whole year in context, see Arlit's year-round climate.
- Avg daytime high
- 41°C
- warmest season of the year
- Avg overnight low
- 28°C
- Rainfall
- 23 mm
- 7 wet days
- Avg wind
- 12 km/h
- Travel score
- 0.1
- weakest season of the year
- Months
- Jun · Jul · Aug
Temperature in Arlit in Summer
Over the season highs ease from about 42°C in early June to 39°C by late August.
A typical summer day in Arlit reaches about 41°C and drops to 28°C overnight. The warmest of the three months is June, the coolest August.
How summer really feels in Arlit
Once humidity and wind are folded in, summer brings about 92 days that feel above 32°C and 0 that feel at or below 0°C.
The story in summer is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Arlit weather by month
How the three summer months (June, July and August) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 28° / 12° | 0 | 0 | 11 | 8.1 |
| Feb | 31° / 15° | 0 | 0 | 11.4 | 6.1 |
| Mar | 35° / 19° | 0 | 0 | 11.9 | 3.2 |
| Apr | 40° / 24° | 0 | 0 | 12.4 | 0.5 |
| May | 42° / 28° | 1 | 0.4 | 12.9 | 0.0 |
| Jun | 42° / 29° | 2 | 0.7 | 13.1 | 0.0 |
| Jul | 40° / 28° | 5 | 1.8 | 13 | 0.0 |
| Aug | 40° / 28° | 16 | 4.4 | 12.6 | 0.3 |
| Sep | 40° / 27° | 4 | 1.6 | 12.1 | 0.1 |
| Oct | 38° / 24° | 0 | 0.1 | 11.6 | 1.5 |
| Nov | 33° / 17° | 0 | 0 | 11.1 | 4.5 |
| Dec | 29° / 13° | 0 | 0 | 10.9 | 7.2 |
Cloud cover in Summer
The sky is clear or mostly clear about 84% of the time across summer.
Chance of precipitation in Summer
Arlit gets around 23 mm of rain over 7 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 12 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 13 hours in early June to 12 h 24 min by late August. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 7.2 kWh/m².
Hazard calendar for Arlit
In summer, Arlit overlaps 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.
Is summer a good time to visit Arlit?
Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
summer is a weaker month for outdoor sightseeing in Arlit.
What to pack for Arlit in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Arlit sees daytime highs around 41°C and nights near 28°C. Pack light clothes and sun protection. About 7 days see rain.
UV index in Arlit in Summer
Clear-sky midday UV across summer averages 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 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 7 | 10 | 12 | 11 | 8 | 12 | 12 | 11 | 12 | 10 | 8 | 7 |
| Level | Very high | Extreme | Extreme | Extreme | Very high | Extreme | Extreme | Extreme | Extreme | Very high | Very high | High |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 7 | Very high |
| Feb | 10 | Extreme |
| Mar | 12 | Extreme |
| Apr | 11 | Extreme |
| May | 8 | Very high |
| Jun | 12 | Extreme |
| Jul | 12 | Extreme |
| Aug | 11 | Extreme |
| Sep | 12 | Extreme |
| Oct | 10 | Very high |
| Nov | 8 | Very high |
| Dec | 7 | High |
Air quality in Arlit in Summer
Average fine-particle pollution (PM2.5) through the year — so you can see where summer 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).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 64 | 71 | 72 | 60 | 65 | 73 | 68 | 61 | 46 | 51 | 46 | 64 |
| Level | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Poor | Poor | Poor | Unhealthy |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 64 | Unhealthy |
| Feb | 71 | Unhealthy |
| Mar | 72 | Unhealthy |
| Apr | 60 | Unhealthy |
| May | 65 | Unhealthy |
| Jun | 73 | Unhealthy |
| Jul | 68 | Unhealthy |
| Aug | 61 | Unhealthy |
| Sep | 46 | Poor |
| Oct | 51 | Poor |
| Nov | 46 | Poor |
| Dec | 64 | Unhealthy |
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.
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.
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
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.