Atar weather in August

In August, Atar sees average daytime highs of 40°C and overnight lows near 28°C, with 14 mm of rain across 4 wet days and about 12.7 hours of daylight. It is the 3rd-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 40°C through the month. The sky is clear or mostly clear about 79% of the time in August, and the air most often feels dry.

Daylight stretches from about 12 h 54 min at the start of August to 12 h 24 min by month's end. Set against the rest of the year, August is Atar's 6th-clearest and 12th-windiest month. For the whole year in context, see Atar's year-round climate.

Daytime high
40°
3rd warmest
Overnight low
28°
12th coldest
Rainfall
14 mm
4 wet days
Daylight
12 h 42 min
6:35 AM – 7:17 PM
Cloud cover
25%
6th clearest
Wind
13 km/h
12th windiest
Solar energy
7.11 kWh/m²
Travel score
0.3
out of 10

Atar is city in Mauritania.

Density
155/km²
people per km²

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 40°C through the month.

A typical August day in Atar reaches about 40°C in the afternoon and slips back to 28°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 36°C and 43°C. Set against its neighbours, August runs about 1°C cooler than July and about 1°C warmer than September.

25°30°35°40°45°151015202531
Avg high (°C)Avg low (°C)
14028
24028
34028
44028
54028
64028
74028
84028
94028
104028
114028
124028
134028
144028
154028
164028
174028
184028
193928
203928
213928
223928
233928
243928
253928
263928
273928
283928
293928
303928
313928

How August really feels in Atar

Once humidity and wind are folded in, August 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 August is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Atar weather by month

How August compares with the rest of the year at a glance. August is the 3rd-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 14°30.410.98.8
Feb28° / 16°20.411.37.9
Mar31° / 18°20.411.95.8
Apr35° / 21°10.212.53.7
May38° / 25°10.1131.7
Jun40° / 27°10.613.20.2
Jul40° / 28°31.113.10.0
Aug40° / 28°14412.70.3
Sep39° / 28°153.812.10.9
Oct36° / 24°81.111.52.7
Nov31° / 19°30.6115.8
Dec27° / 15°50.610.88.3

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 79% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 12% of August, with mostly cloudy or overcast conditions the remaining 9%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1955
2946
3946
4946
5946
6946
7946
8946
9937
10928
11928
12928
13919
14919
15919
169010
179010
189010
199010
208911
218911
228911
238911
248911
258911
269010
279010
288812
298812
308812
318812

Chance of precipitation in August

Any precipitation

Atar gets around 14 mm of rain over 4 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 13% and peaks near 17% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
16
26
37
47
58
69
79
810
910
1011
1111
1212
1312
1413
1513
1614
1714
1814
1915
2015
2115
2215
2315
2416
2516
2616
2717
2817
2917
3017
3117

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

Most of August feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, August lands in the dry band about 40% of days. Sticky, muggy-or-worse air turns up on roughly 15% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
145242551
245242551
344242561
444242561
543242572
642232582
741232582
841232592
940232593
10392325103
11382325103
12382325113
13372325114
14372324124
15372324124
16362323135
17362323135
18372223135
19372222145
20372222145
21372221145
22382221146
23382121146
24392120146
25392120146
26392120146
27402020146
28402020146
29412020146
30411920145
31421919145

Wind in August

Winds average 13 km/h in August, the calmest month.

Across August, daily wind ranges from about 13 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
115light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light 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 August

DaylightNight

Daylight runs from about 12 h 54 min at the start of August to 12 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 30 minutes over August. Sunrise moves from 6:30 AM to 6:39 AM, and sunset from 7:27 PM to 7:05 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.96:307:27
212.96:307:26
312.96:317:26
412.96:317:25
512.96:317:25
612.96:327:24
712.96:327:23
812.86:327:23
912.86:337:22
1012.86:337:22
1112.86:337:21
1212.86:347:20
1312.86:347:20
1412.76:347:19
1512.76:357:18
1612.76:357:17
1712.76:357:17
1812.76:367:16
1912.76:367:15
2012.66:367:14
2112.66:377:14
2212.66:377:13
2312.66:377:12
2412.66:377:11
2512.56:387:10
2612.56:387:10
2712.56:387:09
2812.56:397:08
2912.56:397:07
3012.56:397:06
3112.46:397:05

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 7.11 kWh/m².

For context, solar energy here swings from a low near 4.71 kWh/m² to a high of 7.66 kWh/m² in May across the year — August's 7.11 kWh/m² falls in the middle.

02468151015202531
Solar energy (kWh/m²)Level
17.3Intense
27.3Intense
37.3Intense
47.3Intense
57.3Intense
67.3Intense
77.3Intense
87.2Intense
97.2Intense
107.2Intense
117.2Intense
127.2Intense
137.1Intense
147.1Intense
157.1Intense
167.1Intense
177.1Intense
187.1Intense
197.0Intense
207.0Intense
217.0Intense
227.0Intense
237.0Intense
247.0Intense
257.0Intense
267.0Intense
276.9Intense
286.9Intense
296.9Intense
306.9Intense
316.9Intense
Planning a trip in August

Hazard calendar for Atar

In seasonPeak

In August, Atar sits inside 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.

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

Is August a good time to visit Atar?

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

0.3
Sightseeing
10th-best month of the year
3.3
Beach & pool
10th-best month of the year

August is a weaker month for outdoor sightseeing in Atar.

What to pack for Atar in August

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

In August, Atar sees daytime highs around 40°C and nights near 28°C. Pack light clothes and sun protection. About 4 days see rain.

light clothessun protection

UV index in Atar in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August 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 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highExtremeVery highHighMar 17UV 11Dec 16UV 6
UV index (midday)Level
Jan7Very high
Feb10Extreme
Mar11Extreme
Apr10Extreme
May11Extreme
Jun11Extreme
Jul9Very high
Aug10Extreme
Sep10Extreme
Oct9Very high
Nov7Very high
Dec6High

Air quality in Atar in August

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where August 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).

0306090120JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyJan 12116 µg/m³Apr 2260 µg/m³
PM2.5 (µg/m³)Level
Jan117Unhealthy
Feb102Unhealthy
Mar80Unhealthy
Apr60Unhealthy
May62Unhealthy
Jun89Unhealthy
Jul114Unhealthy
Aug94Unhealthy
Sep77Unhealthy
Oct69Unhealthy
Nov64Unhealthy
Dec112Unhealthy
Location & terrain

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.

AkjoujtZouératMagṭa‘ LaḥjarBoutilimittAlegGuerouDar NaimKsar

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.

3 km
26 m
16 km
603 m
80 km
691 m
treesshrubsartificial surfacesbare terrain
August weather nearby: Akjoujt 164 km · Zouérat 254 km · Magṭa‘ Laḥjar 335 km · Boutilimitt 373 km · Aleg 396 km · Guerou 397 km · Dar Naim 404 km · Ksar 407 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 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. 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).