Aleg weather in January

In January, Aleg sees average daytime highs of 31°C and overnight lows near 18°C, with 2 mm of rain across 0.2 wet days and about 11.1 hours of daylight. It is the 12th-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 55% of the time in January, and the air most often feels dry.

Daylight stretches from about 11 hours at the start of January to 11 h 12 min by month's end. Set against the rest of the year, January is Aleg's 8th-clearest and 5th-windiest month. For the whole year in context, see Aleg's year-round climate.

Daytime high
31°
12th warmest
Overnight low
18°
1st coldest
Rainfall
2 mm
0.2 wet days
Daylight
11 h 06 min
7:32 AM – 6:37 PM
Cloud cover
39%
8th clearest
Wind
18 km/h
5th windiest
Solar energy
5.31 kWh/m²
Travel score
5.7
out of 10

Aleg is commune of Mauritania.

Density
218/km²
people per km²

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

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 31°C through the month.

A typical January day in Aleg reaches about 31°C in the afternoon and slips back to 18°C overnight — a 14°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 35°C. Set against its neighbours, January runs about 1°C cooler than December and about 2°C cooler than February.

10°20°30°40°151015202531
Avg high (°C)Avg low (°C)
13118
23118
33118
43118
53118
63118
73117
83117
93117
103117
113117
123117
133117
143117
153117
163117
173117
183117
193117
203117
213117
223117
233117
243118
253118
263118
273218
283218
293218
303218
313218

How January really feels in Aleg

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
0
heat index over the day's high
Days feeling ≤ C
0
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.

Aleg 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.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 18°20.211.15.7
Feb33° / 19°10.211.44.4
Mar36° / 22°10.211.92.5
Apr39° / 24°00.112.40.7
May41° / 27°0012.80.0
Jun41° / 28°20.6130.0
Jul38° / 27°122.612.91.1
Aug37° / 27°546.612.61.8
Sep38° / 27°375.912.11.4
Oct39° / 26°111.811.60.9
Nov36° / 23°00.111.22.6
Dec32° / 19°20.3114.8

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 55% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 11% of January, with mostly cloudy or overcast conditions the remaining 34%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16139
26139
36139
46238
56238
66337
76436
86436
96535
106634
116634
126733
136733
146733
156733
166733
176832
186832
196733
206733
216832
226832
236832
246832
256832
266733
276733
286733
296733
306832
316733

Chance of precipitation in January

Any precipitation

Aleg gets around 2 mm of rain over 0.2 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 1% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
11
21
31
41
51
61
71
81
91
101
111
121
131
141
151
161
171
180
190
200
210
220
230
240
250
260
270
280
290
300
310

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 98% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1991
2991
3991
4991
5982
6982
7982
8982
9982
10982
11982
12982
13982
14982
15982
16982
17982
18982
19982
20982
21982
22982
23982
24982
25982
26982
27982
28982
29982
30982
31982

Wind in January

Winds average 18 km/h in January.

Across January, daily wind ranges from about 18 km/h on the calmest days to 19 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
118light breeze
218light breeze
318light breeze
418light breeze
518light breeze
618light breeze
718light breeze
818light breeze
918light breeze
1018light breeze
1118light breeze
1218light breeze
1318light breeze
1418light breeze
1518light breeze
1618light breeze
1718light breeze
1818light breeze
1918light breeze
2018light breeze
2118light breeze
2218light breeze
2318light breeze
2418light breeze
2518light breeze
2618light breeze
2719light breeze
2819light breeze
2919light breeze
3019light breeze
3119light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 11 hours at the start of January to 11 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over January. Sunrise moves from 7:29 AM to 7:32 AM, and sunset from 6:29 PM to 6:46 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.07:296:29
211.07:296:29
311.07:306:30
411.07:306:30
511.07:306:31
611.07:306:32
711.07:316:32
811.07:316:33
911.07:316:33
1011.07:316:34
1111.07:326:35
1211.17:326:35
1311.17:326:36
1411.17:326:36
1511.17:326:37
1611.17:326:37
1711.17:336:38
1811.17:336:39
1911.17:336:39
2011.17:336:40
2111.17:336:40
2211.17:336:41
2311.17:336:42
2411.27:336:42
2511.27:336:43
2611.27:336:43
2711.27:336:44
2811.27:326:44
2911.27:326:45
3011.27:326:45
3111.27:326:46

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.31 kWh/m².

For context, solar energy here swings from a low near 5.01 kWh/m² to a high of 7.51 kWh/m² in May across the year — January's 5.31 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.1Bright
35.1Bright
45.1Bright
55.1Bright
65.1Bright
75.1Bright
85.1Bright
95.2Bright
105.2Bright
115.2Bright
125.2Bright
135.2Bright
145.3Bright
155.3Bright
165.3Bright
175.3Bright
185.3Bright
195.4Bright
205.4Bright
215.4Bright
225.4Bright
235.5Bright
245.5Bright
255.5Bright
265.5Bright
275.5Bright
285.6Bright
295.6Bright
305.6Bright
315.6Bright
Planning a trip in January

Hazard calendar for Aleg

In seasonPeak

In January, Aleg sits inside its dust season. The full year is below, with each hazard's peak months called out.

Aleg sees dust haze year-round, heaviest in June.

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

Is January a good time to visit Aleg?

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

5.7
Sightseeing
1st-best month of the year
8.4
Beach & pool
1st-best month of the year

January is a reasonable time to visit Aleg for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Aleg in January

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

In January, Aleg sees daytime highs around 31°C and nights near 18°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Aleg in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Aleg peaks around March 12 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 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 12UV 12Dec 17UV 6
UV index (midday)Level
Jan8Very high
Feb12Extreme
Mar12Extreme
Apr10Extreme
May10Extreme
Jun10Very high
Jul10Very high
Aug11Extreme
Sep11Extreme
Oct9Very high
Nov8Very high
Dec6High

Air quality in Aleg 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 Aleg is worst in February — around 143 µg/m³ PM2.5 (unhealthy), about 2.4× the cleanest month (September, 60 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0306090120150JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyFeb 8143 µg/m³Sep 1161 µg/m³
PM2.5 (µg/m³)Level
Jan142Unhealthy
Feb143Unhealthy
Mar110Unhealthy
Apr110Unhealthy
May126Unhealthy
Jun134Unhealthy
Jul95Unhealthy
Aug64Unhealthy
Sep60Unhealthy
Oct75Unhealthy
Nov75Unhealthy
Dec129Unhealthy
Location & terrain

Where is Aleg?

Aleg sits at 17.1°N, 13.9°W, 40 m above sea level, in Mauritania. The nearest listed city is Bogué, 63 km away.

NdioumBoutilimittMagṭa‘ LaḥjarKaédiPodorThilogneElghabra

Topography around Aleg

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Aleg.

Within 3 km, the terrain around Aleg has only modest variations in elevation — a maximum elevation change of 26 m around an average of 34 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 45 m; within 80 km, only modest variations in elevation — a maximum elevation change of 131 m.

The land around Aleg is covered by grassland (57%) and bare terrain (28%) within 3 km, grassland (65%) and bare terrain (28%) within 16 km, and grassland (70%) and bare terrain (27%) within 80 km.

3 km
26 m
16 km
45 m
80 km
131 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwetland
January weather nearby: Bogué 63 km · Ndioum 99 km · Boutilimitt 100 km · Magṭa‘ Laḥjar 101 km · Kaédi 109 km · Podor 120 km · Thilogne 128 km · Elghabra 140 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 Aleg (17.0531°, -13.9131°, elevation 40 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).