Atar weather in April

In April, Atar sees average daytime highs of 35°C and overnight lows near 21°C, with 1 mm of rain across 0.2 wet days and about 12.5 hours of daylight. It is the 7th-warmest and 11th-wettest month of the year here.

Highs climb over the month, from about 33°C in the first days to 36°C by the end. The sky is clear or mostly clear about 72% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 12 min at the start of April to 12 h 42 min by month's end. Set against the rest of the year, April is Atar's 5th-clearest and 8th-windiest month. For the whole year in context, see Atar's year-round climate.

Daytime high
35°
7th warmest
Overnight low
21°
6th coldest
Rainfall
1 mm
0.2 wet days
Daylight
12 h 30 min
6:38 AM – 7:06 PM
Cloud cover
25%
5th clearest
Wind
15 km/h
8th windiest
Solar energy
7.54 kWh/m²
Travel score
3.7
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 April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 33°C in the first days to 36°C by the end.

A typical April day in Atar reaches about 35°C in the afternoon and slips back to 21°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 39°C. Set against its neighbours, April runs about 3°C warmer than March and about 3°C cooler than May.

15°20°25°30°35°40°151015202530
Avg high (°C)Avg low (°C)
13320
23320
33320
43420
53420
63420
73421
83421
93421
103421
113421
123421
133421
143421
153421
163521
173521
183522
193522
203522
213522
223522
233522
243522
253522
263522
273622
283623
293623
303623

How April really feels in Atar

Once humidity and wind are folded in, April averages 30 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
30
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in April is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Atar weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 11th-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 April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 72% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 10% of April, with mostly cloudy or overcast conditions the remaining 17%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18515
28515
38515
48515
58416
68416
78416
88317
98317
108218
118218
128119
138119
148020
157921
167921
178020
188020
198020
208020
218119
228119
238218
248317
258317
268317
278515
288515
298515
308614

Chance of precipitation in April

Any precipitation

Atar gets around 1 mm of rain over 0.2 wet days in April. 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 2% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
12
22
32
41
51
61
71
81
91
101
111
121
131
141
151
161
171
181
191
201
211
220
230
240
250
260
270
280
290
300

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
1991
2991
3991
4991
5991
6991
7991
8991
9991
10991
11991
12991
131000
141000
151000
161000
171000
181000
191000
201000
211000
221000
231000
241000
251000
261000
271000
281000
291000
301000

Wind in April

Winds average 15 km/h in April.

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

05101520151015202530
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
415light breeze
515light breeze
615light breeze
715light breeze
815light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2515light breeze
2615light breeze
2715light breeze
2815light breeze
2915light breeze
3015light breeze

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 12 min at the start of April to 12 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 30 minutes over April. Sunrise moves from 6:52 AM to 6:28 AM, and sunset from 7:02 PM to 7:11 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:527:02
212.26:517:02
312.26:507:03
412.26:497:03
512.36:487:03
612.36:477:04
712.36:467:04
812.36:457:04
912.36:447:04
1012.46:437:05
1112.46:437:05
1212.46:427:05
1312.46:417:06
1412.46:407:06
1512.56:397:06
1612.56:387:06
1712.56:387:07
1812.56:377:07
1912.56:367:07
2012.56:357:08
2112.66:347:08
2212.66:347:08
2312.66:337:09
2412.66:327:09
2512.66:317:09
2612.76:317:10
2712.76:307:10
2812.76:297:11
2912.76:287:11
3012.76:287:11

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 7.54 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 — April's 7.54 kWh/m² sits near the top of that range.

02468151015202530
Solar energy (kWh/m²)Level
17.3Intense
27.3Intense
37.3Intense
47.4Intense
57.4Intense
67.4Intense
77.4Intense
87.4Intense
97.5Intense
107.5Intense
117.5Intense
127.5Intense
137.5Intense
147.5Intense
157.5Intense
167.5Intense
177.5Intense
187.5Intense
197.6Intense
207.6Intense
217.6Intense
227.6Intense
237.6Intense
247.6Intense
257.6Intense
267.6Intense
277.6Intense
287.6Intense
297.7Intense
307.7Intense
Planning a trip in April

Hazard calendar for Atar

In seasonPeak

In April, 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 April a good time to visit Atar?

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

3.7
Sightseeing
6th-best month of the year
7.4
Beach & pool
6th-best month of the year

April is a weaker month for outdoor sightseeing in Atar. The water and warmth also suit a beach or pool day.

What to pack for Atar in April

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

In April, Atar sees daytime highs around 35°C and nights near 21°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Atar in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April 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 April

GoodModeratePoorUnhealthyVery unhealthy

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