Râs el Oued weather in May

In May, Râs el Oued sees average daytime highs of 23°C and overnight lows near 11°C, with 49 mm of rain across 8.3 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 46% 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 Oued's 5th-clearest and 5th-windiest month. For the whole year in context, see Râs el Oued's year-round climate.

Daytime high
23°
5th warmest
Overnight low
11°
8th coldest
Rainfall
49 mm
8.3 wet days
Daylight
13 h 54 min
5:39 AM – 7:33 PM
Cloud cover
45%
5th clearest
Wind
9 km/h
5th windiest
Solar energy
6.9 kWh/m²
Travel score
7.3
out of 10

Râs el Oued is municipality of Algeria.

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

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 Oued reaches about 23°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
42110
52110
62210
72210
82210
92210
102210
112311
122311
132311
142311
152311
162311
172311
182412
192412
202412
212412
222412
232412
242513
252513
262513
272513
282513
292613
302614
312614

How May really feels in Râs el Oued

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 Oued 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° / 407.82.59.82.4
Feb11° / 348.12.310.63.0
Mar15° / 488.71.211.74.6
Apr18° / 549.30.312.96.0
May23° / 11°498.3013.97.3
Jun29° / 16°246.1014.46.3
Jul33° / 20°114.1014.24.3
Aug32° / 19°227013.44.4
Sep27° / 15°489.1012.26.8
Oct21° / 11°386.9011.17.2
Nov15° / 3870.110.14.7
Dec11° / 347.21.39.62.9

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 46% 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 35%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16139
26238
36238
46337
56337
66337
76436
86436
96436
106436
116535
126535
136535
146535
156535
166634
176535
186535
196634
206634
216535
226634
236634
246634
256634
266634
276733
286733
296733
306733
316832

Chance of precipitation in May

Any precipitation

Râs el Oued gets around 49 mm of rain over 8.3 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 27% and peaks near 32% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
132
231
331
430
529
629
728
828
927
1026
1126
1226
1325
1425
1525
1625
1725
1825
1925
2025
2125
2225
2325
2426
2526
2626
2726
2826
2926
3026
3125

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 97% 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
11991
12991
13991
14991
15991
16991
17982
18982
19982
20973
21973
22964
23964
24955
25946
26937
27937
28928
29919
30919
319010

Wind in May

Winds average 9 km/h in May.

Across May, daily wind ranges from about 8 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
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

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 5:54 AM to 5:30 AM, and sunset from 7:20 PM to 7:44 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.45:547:20
213.55:537:21
313.55:527:22
413.55:517:23
513.65:497:24
613.65:487:25
713.65:477:25
813.75:467:26
913.75:457:27
1013.75:447:28
1113.85:447:29
1213.85:437:30
1313.85:427:31
1413.85:417:31
1513.95:407:32
1613.95:397:33
1713.95:387:34
1813.95:387:35
1914.05:377:35
2014.05:367:36
2114.05:367:37
2214.05:357:38
2314.15:347:39
2414.15:347:39
2514.15:337:40
2614.15:337:41
2714.25:327:42
2814.25:317:42
2914.25:317:43
3014.25:317:44
3114.25:307:44

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.9 kWh/m².

For context, solar energy here swings from a low near 2.42 kWh/m² to a high of 7.58 kWh/m² in July across the year — May's 6.9 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
16.6Intense
26.6Intense
36.7Intense
46.7Intense
56.7Intense
66.8Intense
76.8Intense
86.8Intense
96.8Intense
106.8Intense
116.9Intense
126.9Intense
136.9Intense
146.9Intense
156.9Intense
166.9Intense
176.9Intense
186.9Intense
196.9Intense
206.9Intense
217.0Intense
227.0Intense
237.0Intense
247.0Intense
257.0Intense
267.0Intense
277.0Intense
287.1Intense
297.1Intense
307.1Intense
317.1Intense
Planning a trip in May

Hazard calendar for Râs el Oued

In seasonPeak

None of Râs el Oued'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 Oued 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 Oued?

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

7.3
Sightseeing
1st-best month of the year
5.7
Beach & pool
5th-best month of the year

May is one of the better times to visit Râs el Oued for general sightseeing.

What to pack for Râs el Oued in May

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

In May, Râs el Oued sees daytime highs around 23°C and nights near 11°C. Pack sun protection. Worth having: light clothes and rain gear. About 8 days see rain.

sun protectionlight clothesrain gear

UV index in Râs el Oued 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 Oued 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
Feb4Moderate
Mar6High
Apr7Very high
May8Very high
Jun9Very high
Jul10Very high
Aug8Very high
Sep8Very high
Oct6High
Nov3Moderate
Dec2Moderate

Air quality in Râs el Oued 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 Oued 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 1732 µg/m³Nov 1926 µg/m³
PM2.5 (µg/m³)Level
Jan28Moderate
Feb27Moderate
Mar29Moderate
Apr31Moderate
May30Moderate
Jun31Moderate
Jul30Moderate
Aug30Moderate
Sep32Moderate
Oct31Moderate
Nov25Moderate
Dec27Moderate
Location & terrain

Where is Râs el Oued?

Râs el Oued sits at 35.9°N, 5.0°E, 1,102 m above sea level, in Algeria. The nearest listed city is Bordj Ghdir, 13 km away.

Topography around Râs el Oued

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

Within 3 km, the terrain around Râs el Oued has significant variations in elevation — a maximum elevation change of 444 m around an average of 1,134 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 984 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,998 m.

The land around Râs el Oued is covered by cropland (53%) and grassland (22%) within 3 km, cropland (54%) and grassland (31%) within 16 km, and grassland (38%) and cropland (30%) within 80 km.

3 km
444 m
16 km
984 m
80 km
1,998 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
May weather nearby: Bordj Ghdir 13 km · Aïn Oulmene 24 km · Salah Bey 25 km · Bordj Bou Arreridj 28 km · Aïn Arnat 37 km · El Achir 39 km · Bordj Zemoura 40 km · Bougaa 44 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 Oued (35.9441°, 5.0311°, elevation 1,102 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).