In Salah weather in January

In January, In Salah sees average daytime highs of 21°C and overnight lows near 7°C, with 2 mm of rain across 0.4 wet days and about 10.5 hours of daylight. It is the 12th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 21°C through the month. The sky is clear or mostly clear about 79% of the time in January, and the air most often feels dry.

Daylight stretches from about 10 h 18 min at the start of January to 10 h 42 min by month's end. Set against the rest of the year, January is In Salah's 4th-clearest and 9th-windiest month. For the whole year in context, see In Salah's year-round climate.

Daytime high
21°
12th warmest
Overnight low
1st coldest
Rainfall
2 mm
0.4 wet days
Daylight
10 h 30 min
7:46 AM – 6:13 PM
Cloud cover
19%
4th clearest
Wind
18 km/h
9th windiest
Solar energy
4.43 kWh/m²
Travel score
8.7
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 21°C through the month.

A typical January day in In Salah reaches about 21°C in the afternoon and slips back to 7°C overnight — a 14°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 25°C. Set against its neighbours, January runs about 1°C cooler than December and about 3°C cooler than February.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
1217
2217
3217
4217
5217
6217
7217
8207
9207
10207
11207
12207
13207
14207
15207
16217
17217
18217
19217
20217
21217
22217
23217
24217
25218
26218
27218
28228
29228
30228
31228

How January really feels in In Salah

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.

In Salah weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan21° / 20.410.58.7
Feb24° / 10°10.4119.1
Mar28° / 14°20.411.87.8
Apr33° / 18°20.412.64.4
May38° / 24°10.113.31.3
Jun43° / 28°0013.70.0
Jul45° / 30°0013.50.0
Aug44° / 30°00130.0
Sep40° / 27°10.112.20.3
Oct34° / 21°10.411.33.8
Nov27° / 13°10.310.78.4
Dec22° / 20.310.38.9

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 7% of January, with mostly cloudy or overcast conditions the remaining 14%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18713
28713
38713
48614
58614
68515
78515
88515
98515
108515
118515
128515
138515
148515
158515
168614
178614
188614
198614
208713
218713
228713
238713
248713
258713
268614
278515
288515
298515
308515
318515

Chance of precipitation in January

Any precipitation

In Salah gets around 2 mm of rain over 0.4 wet days in January, the wettest month. 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%151015202531
Rain chance (%)
11
21
31
41
51
61
71
81
91
101
111
122
132
142
152
162
172
182
192
202
211
221
231
241
251
261
271
281
291
301
311

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 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in January

Winds average 18 km/h in January.

Across January, daily wind ranges from about 17 km/h on the calmest days to 18 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
1717light breeze
1817light breeze
1917light breeze
2017light breeze
2117light breeze
2217light breeze
2317light breeze
2417light breeze
2517light breeze
2617light breeze
2717light breeze
2817light breeze
2917light breeze
3017light breeze
3117light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 10 h 18 min at the start of January to 10 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 24 minutes over January. Sunrise moves from 7:44 AM to 7:42 AM, and sunset from 6:03 PM to 6:25 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.37:446:03
210.37:446:03
310.37:446:04
410.37:456:05
510.37:456:05
610.37:456:06
710.47:456:07
810.47:456:07
910.47:456:08
1010.47:466:09
1110.47:466:09
1210.47:466:10
1310.47:466:11
1410.47:466:12
1510.47:466:12
1610.57:466:13
1710.57:466:14
1810.57:456:15
1910.57:456:15
2010.57:456:16
2110.57:456:17
2210.57:456:18
2310.67:456:19
2410.67:446:19
2510.67:446:20
2610.67:446:21
2710.67:446:22
2810.77:436:22
2910.77:436:23
3010.77:426:24
3110.77:426:25

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 4.43 kWh/m².

For context, solar energy here swings from a low near 4.12 kWh/m² to a high of 7.96 kWh/m² in June across the year — January's 4.43 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.2Bright
24.2Bright
34.2Bright
44.2Bright
54.2Bright
64.2Bright
74.2Bright
84.3Bright
94.3Bright
104.3Bright
114.3Bright
124.3Bright
134.3Bright
144.4Bright
154.4Bright
164.4Bright
174.4Bright
184.5Bright
194.5Bright
204.5Bright
214.5Bright
224.5Bright
234.6Bright
244.6Bright
254.6Bright
264.7Bright
274.7Bright
284.7Bright
294.8Bright
304.8Bright
314.8Bright
Planning a trip in January

Hazard calendar for In Salah

In seasonPeak

None of In Salah's seasonal hazards are active in January. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

In Salah sees seasonal dust haze (February–October), heaviest in June.

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

Is January a good time to visit In Salah?

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

8.7
Sightseeing
3rd-best month of the year
5.1
Beach & pool
7th-best month of the year

January is one of the better times to visit In Salah for general sightseeing.

What to pack for In Salah in January

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

In January, In Salah sees daytime highs around 21°C and nights near 7°C. Worth packing: a warm layer.

a warm layer

UV index in In Salah in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in In Salah peaks around July 12 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 4 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecHighVery highExtremeVery highHighModerateJul 12UV 10Dec 17UV 4
UV index (midday)Level
Jan5High
Feb7High
Mar9Very high
Apr9Very high
May10Extreme
Jun10Very high
Jul11Extreme
Aug8Very high
Sep10Very high
Oct7High
Nov5High
Dec4Moderate

Air quality in In Salah 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 In Salah is worst in July — around 106 µg/m³ PM2.5 (unhealthy), about 1.7× the cleanest month (November, 64 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyJul 17104 µg/m³Nov 1567 µg/m³
PM2.5 (µg/m³)Level
Jan80Unhealthy
Feb104Unhealthy
Mar93Unhealthy
Apr97Unhealthy
May103Unhealthy
Jun91Unhealthy
Jul106Unhealthy
Aug93Unhealthy
Sep87Unhealthy
Oct87Unhealthy
Nov64Unhealthy
Dec92Unhealthy
Location & terrain

Where is In Salah?

In Salah sits at 27.2°N, 2.5°E, 293 m above sea level, in Algeria. The nearest listed city is Aoulef, 141 km away.

AoulefRegganeAdrarTimimounEl MeniaMetlili ChaambaTamanghassetRouissat

Topography around In Salah

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

Within 3 km, the terrain around In Salah has only modest variations in elevation — a maximum elevation change of 37 m around an average of 283 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 166 m; within 80 km, significant variations in elevation — a maximum elevation change of 519 m.

The land around In Salah is covered by bare terrain (76%) within 3 km, bare terrain (96%) within 16 km, and bare terrain (100%) within 80 km.

3 km
37 m
16 km
166 m
80 km
519 m
treesshrubscroplandartificial surfacesbare terrain
January weather nearby: Aoulef 141 km · Reggane 235 km · Adrar 284 km · Timimoun 318 km · El Menia 378 km · Metlili Chaamba 575 km · Tamanghasset 579 km · Rouissat 594 km

Algeria travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 33% of US
price level, 2025
GDP per capita
$6,051
2025
Happiness
5.7 / 10
World Happiness, 2025
Safe drinking water
69%
of population, 2024
Homicide rate
1.2
per 100k, 2023
Road deaths
20.9
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 468
Religion
Muslim 99%

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 In Salah (27.1968°, 2.4791°, elevation 293 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).