In Salah weather in April

In April, In Salah sees average daytime highs of 33°C and overnight lows near 18°C, with 2 mm of rain across 0.4 wet days and about 12.6 hours of daylight. It is the 7th-warmest and 1st-wettest month of the year here.

Highs climb over the month, from about 31°C in the first days to 35°C by the end. The sky is clear or mostly clear about 70% 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 13 hours by month's end. Set against the rest of the year, April is In Salah's 9th-clearest and 4th-windiest month. For the whole year in context, see In Salah's year-round climate.

Daytime high
33°
7th warmest
Overnight low
18°
6th coldest
Rainfall
2 mm
0.4 wet days
Daylight
12 h 36 min
6:31 AM – 7:10 PM
Cloud cover
26%
9th clearest
Wind
19 km/h
4th windiest
Solar energy
7.38 kWh/m²
Travel score
4.4
out of 10

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 31°C in the first days to 35°C by the end.

A typical April day in In Salah reaches about 33°C in the afternoon and slips back to 18°C overnight — a 15°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 38°C. Set against its neighbours, April runs about 5°C warmer than March and about 5°C cooler than May.

10°20°30°40°151015202530
Avg high (°C)Avg low (°C)
13116
23116
33116
43217
53217
63217
73217
83217
93217
103317
113318
123318
133318
143318
153318
163318
173418
183419
193419
203419
213419
223419
233419
243520
253520
263520
273520
283520
293521
303621

How April really feels in In Salah

Once humidity and wind are folded in, April averages 24 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
24
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.

In Salah weather by month

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

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 70% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 9% of April, with mostly cloudy or overcast conditions the remaining 21%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18119
28119
38119
48119
58119
68020
78020
88020
97921
107921
117921
127822
137822
147723
157723
167723
177723
187822
197822
207822
217822
227822
237921
247921
257921
267921
277921
287921
298119
308119

Chance of precipitation in April

Any precipitation

In Salah gets around 2 mm of rain over 0.4 wet days in April, 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%151015202530
Rain chance (%)
12
22
32
42
52
62
72
82
92
102
112
121
131
141
151
161
171
181
191
201
211
221
231
241
251
261
271
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 99% 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
13991
14991
15991
16991
17991
18991
19991
20991
21991
221000
231000
241000
251000
261000
271000
281000
291000
301000

Wind in April

Winds average 19 km/h in April.

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

0510152025151015202530
Wind speed (km/h)Feels
119light breeze
219light breeze
319light breeze
419light breeze
519light breeze
619light breeze
719light breeze
819light breeze
919light breeze
1019light breeze
1119light breeze
1219light breeze
1319light breeze
1419light breeze
1519light breeze
1619light breeze
1719light breeze
1819light breeze
1919light breeze
2019light breeze
2119light breeze
2219light breeze
2319light breeze
2419light breeze
2519light breeze
2619light breeze
2719light breeze
2819light breeze
2919light breeze
3019light breeze

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 12 min at the start of April to 13 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 48 minutes over April. Sunrise moves from 6:47 AM to 6:18 AM, and sunset from 7:02 PM to 7:17 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:477:02
212.36:467:02
312.36:457:03
412.36:447:03
512.46:437:04
612.46:427:05
712.46:417:05
812.46:407:06
912.56:387:06
1012.56:377:07
1112.56:367:07
1212.56:357:08
1312.66:347:08
1412.66:337:09
1512.66:327:09
1612.66:317:10
1712.76:307:10
1812.76:297:11
1912.76:287:11
2012.76:277:12
2112.86:267:12
2212.86:257:13
2312.86:247:13
2412.86:237:14
2512.96:227:14
2612.96:217:15
2712.96:207:16
2812.96:197:16
2913.06:187:17
3013.06:187:17

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 7.38 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 — April's 7.38 kWh/m² falls in the middle.

02468151015202530
Solar energy (kWh/m²)Level
17.0Intense
27.0Intense
37.0Intense
47.1Intense
57.1Intense
67.1Intense
77.2Intense
87.2Intense
97.2Intense
107.2Intense
117.3Intense
127.3Intense
137.3Intense
147.3Intense
157.4Intense
167.4Intense
177.4Intense
187.4Intense
197.4Intense
207.5Intense
217.5Intense
227.5Intense
237.5Intense
247.5Intense
257.5Intense
267.6Intense
277.6Intense
287.6Intense
297.6Intense
307.6Intense
Planning a trip in April

Hazard calendar for In Salah

In seasonPeak

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

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 April a good time to visit In Salah?

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

4.4
Sightseeing
6th-best month of the year
7.8
Beach & pool
3rd-best month of the year

April is a reasonable time to visit In Salah for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for In Salah in April

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

In April, In Salah sees daytime highs around 33°C and nights near 18°C. Pack light clothes and sun protection.

light clothessun protection

UV index in In Salah in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 9 (very high — sun protection essential). 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 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 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
April 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).