Râs el Aïoun weather in May

In May, Râs el Aïoun sees average daytime highs of 24°C and overnight lows near 11°C, with 43 mm of rain across 7.3 wet days and about 13.9 hours of daylight. It is the 5th-warmest and 2nd-wettest month of the year here.

Highs climb over the month, from about 21°C in the first days to 26°C by the end. The sky is clear or mostly clear about 47% of the time in May, and the air most often feels dry.

Daylight stretches from about 13 h 24 min at the start of May to 14 h 12 min by month's end. Set against the rest of the year, May is Râs el Aïoun's 5th-clearest and 4th-windiest month. For the whole year in context, see Râs el Aïoun's year-round climate.

Daytime high
24°
5th warmest
Overnight low
11°
8th coldest
Rainfall
43 mm
7.3 wet days
Daylight
13 h 54 min
5:37 AM – 7:30 PM
Cloud cover
45%
5th clearest
Wind
9 km/h
4th windiest
Solar energy
6.95 kWh/m²
Travel score
7.5
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 21°C in the first days to 26°C by the end.

A typical May day in Râs el Aïoun reaches about 24°C in the afternoon and slips back to 11°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 29°C. Set against its neighbours, May runs about 5°C warmer than April and about 6°C cooler than June.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
1219
2219
3219
42210
52210
62210
72210
82210
92310
102310
112311
122311
132311
142411
152411
162411
172411
182412
192412
202412
212412
222512
232512
242512
252513
262513
272613
282613
292613
302613
312614

How May really feels in Râs el Aïoun

Once humidity and wind are folded in, May 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

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

Râs el Aïoun weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan10° / 316.72.29.92.5
Feb11° / 266.3210.63.2
Mar15° / 407.70.811.74.8
Apr18° / 457.90.212.96.3
May24° / 11°437.3013.97.5
Jun29° / 16°174.8014.46.3
Jul33° / 19°103.6014.24.2
Aug32° / 19°185.2013.34.6
Sep27° / 15°346.9012.27.1
Oct21° / 11°285.4011.17.5
Nov15° / 295.40.110.15.1
Dec11° / 2761.39.63.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 47% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 19% of May, with mostly cloudy or overcast conditions the remaining 34%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16535
26634
36634
46634
56733
66733
76733
86832
96832
106733
116634
126634
136634
146634
156634
166535
176436
186436
196535
206535
216436
226436
236436
246436
256535
266634
276634
286634
296634
306832
316832

Chance of precipitation in May

Any precipitation

Râs el Aïoun gets around 43 mm of rain over 7.3 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 23% and peaks near 27% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
127
226
326
425
525
624
724
823
923
1022
1122
1222
1322
1421
1521
1622
1722
1822
1922
2022
2123
2223
2323
2423
2524
2624
2723
2823
2923
3023
3122

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May 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 (%)
11000
21000
31000
41000
51000
61000
71000
81000
91000
101000
111000
121000
131000
14991
15991
16991
17991
18991
19982
20982
21982
22973
23973
24964
25964
26955
27955
28946
29946
30937
31937

Wind in May

Winds average 9 km/h in May.

Across May, daily wind ranges from about 9 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 24 min at the start of May to 14 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 48 minutes over May. Sunrise moves from 5:52 AM to 5:28 AM, and sunset from 7:17 PM to 7:41 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.45:527:17
213.55:517:18
313.55:507:19
413.55:497:20
513.65:477:21
613.65:467:22
713.65:457:23
813.65:447:23
913.75:437:24
1013.75:437:25
1113.75:427:26
1213.85:417:27
1313.85:407:28
1413.85:397:28
1513.95:387:29
1613.95:377:30
1713.95:377:31
1813.95:367:32
1914.05:357:32
2014.05:347:33
2114.05:347:34
2214.05:337:35
2314.15:327:35
2414.15:327:36
2514.15:317:37
2614.15:317:38
2714.15:307:38
2814.25:307:39
2914.25:297:40
3014.25:297:41
3114.25:287:41

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.95 kWh/m².

For context, solar energy here swings from a low near 2.52 kWh/m² to a high of 7.58 kWh/m² in July across the year — May's 6.95 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
16.7Intense
26.7Intense
36.8Intense
46.8Intense
56.8Intense
66.8Intense
76.9Intense
86.9Intense
96.9Intense
106.9Intense
116.9Intense
126.9Intense
137.0Intense
147.0Intense
157.0Intense
167.0Intense
177.0Intense
187.0Intense
197.0Intense
207.0Intense
217.0Intense
227.0Intense
237.0Intense
247.0Intense
257.0Intense
267.0Intense
277.1Intense
287.1Intense
297.1Intense
307.1Intense
317.2Intense
Planning a trip in May

Hazard calendar for Râs el Aïoun

In seasonPeak

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

Râs el Aïoun sees seasonal dust haze (June–July), heaviest in June.

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

Is May a good time to visit Râs el Aïoun?

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

7.5
Sightseeing
1st-best month of the year
6.1
Beach & pool
5th-best month of the year

May is one of the better times to visit Râs el Aïoun for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Râs el Aïoun in May

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

In May, Râs el Aïoun sees daytime highs around 24°C and nights near 11°C. Pack sun protection. Worth having: light clothes. About 7 days see rain.

sun protectionlight clothes

UV index in Râs el Aïoun in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May 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 Râs el Aïoun peaks around July 14 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJul 14UV 10Dec 20UV 2
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar6High
Apr7High
May8Very high
Jun9Very high
Jul10Very high
Aug8Very high
Sep8Very high
Oct6High
Nov4Moderate
Dec2Moderate

Air quality in Râs el Aïoun in May

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where May falls, not just the annual average.

Air quality in Râs el Aïoun is worst in September — around 32 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateSep 1831 µg/m³Nov 2225 µg/m³
PM2.5 (µg/m³)Level
Jan25Moderate
Feb26Moderate
Mar28Moderate
Apr30Moderate
May29Moderate
Jun29Moderate
Jul27Moderate
Aug29Moderate
Sep32Moderate
Oct30Moderate
Nov25Moderate
Dec25Moderate
Location & terrain

Where is Râs el Aïoun?

Râs el Aïoun sits at 35.7°N, 5.6°E, 862 m above sea level, in Algeria. The nearest listed city is N’Gaous, 14 km away.

Topography around Râs el Aïoun

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

Within 3 km, the terrain around Râs el Aïoun has significant variations in elevation — a maximum elevation change of 264 m around an average of 891 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,248 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,097 m.

The land around Râs el Aïoun is covered by cropland (59%) and grassland (23%) within 3 km, grassland (46%) and cropland (35%) within 16 km, and cropland (38%) and grassland (35%) within 80 km.

3 km
264 m
16 km
1,248 m
80 km
2,097 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
May weather nearby: N’Gaous 14 km · ’Aïn Azel 20 km · Merouana 25 km · Salah Bey 38 km · Aïn Touta 40 km · Barika 41 km · Aïn Oulmene 42 km · Batna 50 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 Râs el Aïoun (35.6738°, 5.6453°, elevation 862 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).