Atar weather in January

In January, Atar sees average daytime highs of 26°C and overnight lows near 14°C, with 3 mm of rain across 0.4 wet days and about 10.9 hours of daylight. It is the 12th-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 65% of the time in January, and the air most often feels dry.

Daylight stretches from about 10 h 48 min at the start of January to 11 h 06 min by month's end. Set against the rest of the year, January is Atar's 8th-clearest and 1st-windiest month. For the whole year in context, see Atar's year-round climate.

Daytime high: 26°; 12th warmest
Overnight low: 14°; 1st coldest
Rainfall: 3 mm; 0.4 wet days
Daylight: 10 h 54 min; 7:35 AM – 6:28 PM
Cloud cover: 31%; 8th clearest
Wind: 18 km/h; 1st windiest
Solar energy: 5.04 kWh/m²
Travel score: 8.8; 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.

← December Atar year-round climate February →Best places to visit in January

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

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 26°C through the month.

A typical January day in Atar reaches about 26°C in the afternoon and slips back to 14°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 30°C. Set against its neighbours, January runs about 1°C cooler than December and about 2°C cooler than February.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Avg high (°C)	26	26	26	26	26	26	26	26	26	26	25	25	25	25	25	25	25	25	26	26	26	26	26	26	26	26	26	26	26	26	27
Avg low (°C)	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	15

	Avg high (°C)	Avg low (°C)
1	26	14
2	26	14
3	26	14
4	26	14
5	26	14
6	26	14
7	26	14
8	26	14
9	26	14
10	26	14
11	25	14
12	25	14
13	25	14
14	25	14
15	25	14
16	25	14
17	25	14
18	25	14
19	26	14
20	26	14
21	26	14
22	26	14
23	26	14
24	26	14
25	26	14
26	26	14
27	26	14
28	26	14
29	26	14
30	26	14
31	27	15

How January really feels in Atar

Once humidity and wind are folded in, January averages 0 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

heat index over the day's high

Days feeling ≤ 0°C

wind chill below the day's low

January sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Atar weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 5th-wettest month here — the current month is highlighted below.

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 January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 65% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 9% of January, with mostly cloudy or overcast conditions the remaining 27%.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Clearer (%)	70	71	71	71	71	72	72	72	73	74	74	74	74	74	74	74	75	75	74	74	74	74	75	75	75	75	75	74	74	74	74
Cloudier (%)	30	29	29	29	29	28	28	28	27	26	26	26	26	26	26	26	25	25	26	26	26	26	25	25	25	25	25	26	26	26	26

	Clearer (%)	Cloudier (%)
1	70	30
2	71	29
3	71	29
4	71	29
5	71	29
6	72	28
7	72	28
8	72	28
9	73	27
10	74	26
11	74	26
12	74	26
13	74	26
14	74	26
15	74	26
16	74	26
17	75	25
18	75	25
19	74	26
20	74	26
21	74	26
22	74	26
23	75	25
24	75	25
25	75	25
26	75	25
27	75	25
28	74	26
29	74	26
30	74	26
31	74	26

Chance of precipitation in January

Any precipitation

Atar gets around 3 mm of rain over 0.4 wet days in January. 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.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Rain chance (%)	2	2	2	2	2	2	2	2	2	2	2	2	2	1	1	1	1	1	1	1	1	1	1	1	1	1	1	0	0	0	0

	Rain chance (%)
1	2
2	2
3	2
4	2
5	2
6	2
7	2
8	2
9	2
10	2
11	2
12	2
13	2
14	1
15	1
16	1
17	1
18	1
19	1
20	1
21	1
22	1
23	1
24	1
25	1
26	1
27	1
28	0
29	0
30	0
31	0

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the dry band about 99% of days. It rarely turns muggy — the humid and sticky bands barely register.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Dry (%)	100	100	100	99	99	99	99	99	99	99	99	99	99	99	99	99	99	99	99	100	100	100	100	100	100	100	100	100	100	100	100
Comfortable (%)	0	0	0	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	0	0	0	0	0	0	0	0	0	0	0	0

	Dry (%)	Comfortable (%)
1	100	0
2	100	0
3	100	0
4	99	1
5	99	1
6	99	1
7	99	1
8	99	1
9	99	1
10	99	1
11	99	1
12	99	1
13	99	1
14	99	1
15	99	1
16	99	1
17	99	1
18	99	1
19	99	1
20	100	0
21	100	0
22	100	0
23	100	0
24	100	0
25	100	0
26	100	0
27	100	0
28	100	0
29	100	0
30	100	0
31	100	0

Wind in January

Winds average 18 km/h in January, the windiest month of the year.

Across January, daily wind ranges from about 18 km/h on the calmest days to 18 km/h at its breeziest. It stays fairly steady from day to day.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Wind speed (km/h)	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18
Feels	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze

	Wind speed (km/h)	Feels
1	18	light breeze
2	18	light breeze
3	18	light breeze
4	18	light breeze
5	18	light breeze
6	18	light breeze
7	18	light breeze
8	18	light breeze
9	18	light breeze
10	18	light breeze
11	18	light breeze
12	18	light breeze
13	18	light breeze
14	18	light breeze
15	18	light breeze
16	18	light breeze
17	18	light breeze
18	18	light breeze
19	18	light breeze
20	18	light breeze
21	18	light breeze
22	18	light breeze
23	18	light breeze
24	18	light breeze
25	18	light breeze
26	18	light breeze
27	18	light breeze
28	18	light breeze
29	18	light breeze
30	18	light breeze
31	18	light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 10 h 48 min at the start of January to 11 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over January. Sunrise moves from 7:32 AM to 7:34 AM, and sunset from 6:19 PM to 6:37 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Daylight (h)	10.8	10.8	10.8	10.8	10.8	10.8	10.8	10.8	10.8	10.8	10.8	10.8	10.9	10.9	10.9	10.9	10.9	10.9	10.9	10.9	10.9	10.9	11.0	11.0	11.0	11.0	11.0	11.0	11.0	11.0	11.1
Sunrise (AM)	7:32	7:32	7:33	7:33	7:33	7:34	7:34	7:34	7:34	7:34	7:35	7:35	7:35	7:35	7:35	7:35	7:35	7:35	7:35	7:35	7:35	7:35	7:35	7:35	7:35	7:35	7:34	7:34	7:34	7:34	7:34
Sunset (PM)	6:19	6:19	6:20	6:20	6:21	6:22	6:22	6:23	6:23	6:24	6:25	6:25	6:26	6:27	6:27	6:28	6:29	6:29	6:30	6:30	6:31	6:32	6:32	6:33	6:34	6:34	6:35	6:36	6:36	6:37	6:37

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	10.8	7:32	6:19
2	10.8	7:32	6:19
3	10.8	7:33	6:20
4	10.8	7:33	6:20
5	10.8	7:33	6:21
6	10.8	7:34	6:22
7	10.8	7:34	6:22
8	10.8	7:34	6:23
9	10.8	7:34	6:23
10	10.8	7:34	6:24
11	10.8	7:35	6:25
12	10.8	7:35	6:25
13	10.9	7:35	6:26
14	10.9	7:35	6:27
15	10.9	7:35	6:27
16	10.9	7:35	6:28
17	10.9	7:35	6:29
18	10.9	7:35	6:29
19	10.9	7:35	6:30
20	10.9	7:35	6:30
21	10.9	7:35	6:31
22	10.9	7:35	6:32
23	11.0	7:35	6:32
24	11.0	7:35	6:33
25	11.0	7:35	6:34
26	11.0	7:35	6:34
27	11.0	7:34	6:35
28	11.0	7:34	6:36
29	11.0	7:34	6:36
30	11.0	7:34	6:37
31	11.1	7:34	6:37

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.04 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 — January's 5.04 kWh/m² sits near the bottom.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Solar energy (kWh/m²)	4.8	4.8	4.8	4.8	4.8	4.8	4.8	4.8	4.9	4.9	4.9	4.9	5.0	5.0	5.0	5.0	5.1	5.1	5.1	5.2	5.2	5.2	5.2	5.3	5.3	5.3	5.3	5.4	5.4	5.4	5.4
Level	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright

	Solar energy (kWh/m²)	Level
1	4.8	Bright
2	4.8	Bright
3	4.8	Bright
4	4.8	Bright
5	4.8	Bright
6	4.8	Bright
7	4.8	Bright
8	4.8	Bright
9	4.9	Bright
10	4.9	Bright
11	4.9	Bright
12	4.9	Bright
13	5.0	Bright
14	5.0	Bright
15	5.0	Bright
16	5.0	Bright
17	5.1	Bright
18	5.1	Bright
19	5.1	Bright
20	5.2	Bright
21	5.2	Bright
22	5.2	Bright
23	5.2	Bright
24	5.3	Bright
25	5.3	Bright
26	5.3	Bright
27	5.3	Bright
28	5.4	Bright
29	5.4	Bright
30	5.4	Bright
31	5.4	Bright

Planning a trip in January

Hazard calendar for Atar

In seasonPeak

In January, 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 January a good time to visit Atar?

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

8.8

Sightseeing

1st-best month of the year

8.2

Beach & pool

5th-best month of the year

January is one of the better times to visit Atar for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Atar in January

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

In January, Atar sees daytime highs around 26°C and nights near 14°C. Worth packing: light clothes and sun protection.

light clothessun protection

UV index in Atar in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 7 — enough to warrant sun protection. 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 January

GoodModeratePoorUnhealthyVery unhealthy

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

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.

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

bare terrain 96%

16 km

603 m

bare terrain 100%

80 km

691 m

bare terrain 100%

treesshrubsartificial surfacesbare terrain

← December Atar year-round climate February →Best places to visit in January

January 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

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).

	Avg high (°C)	Avg low (°C)
1	26	14
2	26	14
3	26	14
4	26	14
5	26	14
6	26	14
7	26	14
8	26	14
9	26	14
10	26	14
11	25	14
12	25	14
13	25	14
14	25	14
15	25	14
16	25	14
17	25	14
18	25	14
19	26	14
20	26	14
21	26	14
22	26	14
23	26	14
24	26	14
25	26	14
26	26	14
27	26	14
28	26	14
29	26	14
30	26	14
31	27	15

	Clearer (%)	Cloudier (%)
1	70	30
2	71	29
3	71	29
4	71	29
5	71	29
6	72	28
7	72	28
8	72	28
9	73	27
10	74	26
11	74	26
12	74	26
13	74	26
14	74	26
15	74	26
16	74	26
17	75	25
18	75	25
19	74	26
20	74	26
21	74	26
22	74	26
23	75	25
24	75	25
25	75	25
26	75	25
27	75	25
28	74	26
29	74	26
30	74	26
31	74	26

	Rain chance (%)
1	2
2	2
3	2
4	2
5	2
6	2
7	2
8	2
9	2
10	2
11	2
12	2
13	2
14	1
15	1
16	1
17	1
18	1
19	1
20	1
21	1
22	1
23	1
24	1
25	1
26	1
27	1
28	0
29	0
30	0
31	0

	Dry (%)	Comfortable (%)
1	100	0
2	100	0
3	100	0
4	99	1
5	99	1
6	99	1
7	99	1
8	99	1
9	99	1
10	99	1
11	99	1
12	99	1
13	99	1
14	99	1
15	99	1
16	99	1
17	99	1
18	99	1
19	99	1
20	100	0
21	100	0
22	100	0
23	100	0
24	100	0
25	100	0
26	100	0
27	100	0
28	100	0
29	100	0
30	100	0
31	100	0

	Avg high (°C)	Avg low (°C)
1	26	14
2	26	14
3	26	14
4	26	14
5	26	14
6	26	14
7	26	14
8	26	14
9	26	14
10	26	14
11	25	14
12	25	14
13	25	14
14	25	14
15	25	14
16	25	14
17	25	14
18	25	14
19	26	14
20	26	14
21	26	14
22	26	14
23	26	14
24	26	14
25	26	14
26	26	14
27	26	14
28	26	14
29	26	14
30	26	14
31	27	15

	Clearer (%)	Cloudier (%)
1	70	30
2	71	29
3	71	29
4	71	29
5	71	29
6	72	28
7	72	28
8	72	28
9	73	27
10	74	26
11	74	26
12	74	26
13	74	26
14	74	26
15	74	26
16	74	26
17	75	25
18	75	25
19	74	26
20	74	26
21	74	26
22	74	26
23	75	25
24	75	25
25	75	25
26	75	25
27	75	25
28	74	26
29	74	26
30	74	26
31	74	26

	Rain chance (%)
1	2
2	2
3	2
4	2
5	2
6	2
7	2
8	2
9	2
10	2
11	2
12	2
13	2
14	1
15	1
16	1
17	1
18	1
19	1
20	1
21	1
22	1
23	1
24	1
25	1
26	1
27	1
28	0
29	0
30	0
31	0

	Dry (%)	Comfortable (%)
1	100	0
2	100	0
3	100	0
4	99	1
5	99	1
6	99	1
7	99	1
8	99	1
9	99	1
10	99	1
11	99	1
12	99	1
13	99	1
14	99	1
15	99	1
16	99	1
17	99	1
18	99	1
19	99	1
20	100	0
21	100	0
22	100	0
23	100	0
24	100	0
25	100	0
26	100	0
27	100	0
28	100	0
29	100	0
30	100	0
31	100	0

	Avg high (°C)	Avg low (°C)
1	26	14
2	26	14
3	26	14
4	26	14
5	26	14
6	26	14
7	26	14
8	26	14
9	26	14
10	26	14
11	25	14
12	25	14
13	25	14
14	25	14
15	25	14
16	25	14
17	25	14
18	25	14
19	26	14
20	26	14
21	26	14
22	26	14
23	26	14
24	26	14
25	26	14
26	26	14
27	26	14
28	26	14
29	26	14
30	26	14
31	27	15

	Clearer (%)	Cloudier (%)
1	70	30
2	71	29
3	71	29
4	71	29
5	71	29
6	72	28
7	72	28
8	72	28
9	73	27
10	74	26
11	74	26
12	74	26
13	74	26
14	74	26
15	74	26
16	74	26
17	75	25
18	75	25
19	74	26
20	74	26
21	74	26
22	74	26
23	75	25
24	75	25
25	75	25
26	75	25
27	75	25
28	74	26
29	74	26
30	74	26
31	74	26

	Rain chance (%)
1	2
2	2
3	2
4	2
5	2
6	2
7	2
8	2
9	2
10	2
11	2
12	2
13	2
14	1
15	1
16	1
17	1
18	1
19	1
20	1
21	1
22	1
23	1
24	1
25	1
26	1
27	1
28	0
29	0
30	0
31	0

	Dry (%)	Comfortable (%)
1	100	0
2	100	0
3	100	0
4	99	1
5	99	1
6	99	1
7	99	1
8	99	1
9	99	1
10	99	1
11	99	1
12	99	1
13	99	1
14	99	1
15	99	1
16	99	1
17	99	1
18	99	1
19	99	1
20	100	0
21	100	0
22	100	0
23	100	0
24	100	0
25	100	0
26	100	0
27	100	0
28	100	0
29	100	0
30	100	0
31	100	0