Atar in Summer
In summer (June, July and August), Atar sees average daytime highs around 40°C and overnight lows near 28°C, with 18 mm of rain over about 6 wet days across the season. It is the warmest season of the year and the 2nd-wettest season.
Across summer, daytime highs hold fairly steady around 40°C. The sky is clear or mostly clear about 86% of the time across summer, and the air most often feels dry.
Summer is Atar's weakest season of the year to visit on our travel score. For the whole year in context, see Atar's year-round climate.
- Avg daytime high
- 40°C
- warmest season of the year
- Avg overnight low
- 28°C
- Rainfall
- 18 mm
- 6 wet days
- Avg wind
- 15 km/h
- Travel score
- 0.2
- weakest season of the year
- Months
- Jun · Jul · Aug
Temperature in Atar in Summer
Across summer, daytime highs hold fairly steady around 40°C.
A typical summer day in Atar reaches about 40°C and drops to 28°C overnight. The warmest of the three months is July, the coolest June.
How summer really feels in Atar
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.
Atar 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 | 26° / 14° | 3 | 0.4 | 10.9 | 8.8 |
| Feb | 28° / 16° | 2 | 0.4 | 11.3 | 7.9 |
| Mar | 31° / 18° | 2 | 0.4 | 11.9 | 5.8 |
| Apr | 35° / 21° | 1 | 0.2 | 12.5 | 3.7 |
| May | 38° / 25° | 1 | 0.1 | 13 | 1.7 |
| Jun | 40° / 27° | 1 | 0.6 | 13.2 | 0.2 |
| Jul | 40° / 28° | 3 | 1.1 | 13.1 | 0.0 |
| Aug | 40° / 28° | 14 | 4 | 12.7 | 0.3 |
| Sep | 39° / 28° | 15 | 3.8 | 12.1 | 0.9 |
| Oct | 36° / 24° | 8 | 1.1 | 11.5 | 2.7 |
| Nov | 31° / 19° | 3 | 0.6 | 11 | 5.8 |
| Dec | 27° / 15° | 5 | 0.6 | 10.8 | 8.3 |
Cloud cover in Summer
The sky is clear or mostly clear about 86% of the time across summer.
Chance of precipitation in Summer
Atar gets around 18 mm of rain over 6 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 15 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 13 h 12 min 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 7.4 kWh/m².
Hazard calendar for Atar
In summer, Atar overlaps its dust season. The full year is below, with each hazard's peak months called out.
Atar sees dust haze year-round, heaviest in July.
Is summer a good time to visit Atar?
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 Atar.
What to pack for Atar in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Atar sees daytime highs around 40°C and nights near 28°C. Pack light clothes and sun protection. About 6 days see rain.
UV index in Atar in Summer
Clear-sky midday UV across summer averages 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 Atar peaks around March 17 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 6 (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 | 11 | 10 | 11 | 11 | 9 | 10 | 10 | 9 | 7 | 6 |
| Level | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Extreme | Extreme | Very high | Very high | High |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 7 | Very high |
| Feb | 10 | Extreme |
| Mar | 11 | Extreme |
| Apr | 10 | Extreme |
| May | 11 | Extreme |
| Jun | 11 | Extreme |
| Jul | 9 | Very high |
| Aug | 10 | Extreme |
| Sep | 10 | Extreme |
| Oct | 9 | Very high |
| Nov | 7 | Very high |
| Dec | 6 | High |
Air quality in Atar 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 Atar is worst in January — around 117 µg/m³ PM2.5 (unhealthy), about 1.9× the cleanest month (April, 60 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 117 | 102 | 80 | 60 | 62 | 89 | 114 | 94 | 77 | 69 | 64 | 112 |
| Level | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 117 | Unhealthy |
| Feb | 102 | Unhealthy |
| Mar | 80 | Unhealthy |
| Apr | 60 | Unhealthy |
| May | 62 | Unhealthy |
| Jun | 89 | Unhealthy |
| Jul | 114 | Unhealthy |
| Aug | 94 | Unhealthy |
| Sep | 77 | Unhealthy |
| Oct | 69 | Unhealthy |
| Nov | 64 | Unhealthy |
| Dec | 112 | Unhealthy |
Where is Atar?
Atar sits at 20.5°N, 13.0°W, 192 m above sea level, in Mauritania. The nearest listed city is Akjoujt, 164 km away.
Topography around Atar
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Atar.
Within 3 km, the terrain around Atar has only modest variations in elevation — a maximum elevation change of 26 m around an average of 229 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 603 m; within 80 km, large variations in elevation — a maximum elevation change of 691 m.
The land around Atar is covered by bare terrain (96%) within 3 km, bare terrain (100%) within 16 km, and bare terrain (100%) within 80 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
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 Atar (20.5188°, -13.0464°, elevation 192 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.