Oued Sly in Spring

In spring (March, April and May), Oued Sly sees average daytime highs around 23°C and overnight lows near 11°C, with 133 mm of rain over about 21 wet days across the season. It is the 3rd-warmest season and the 2nd-wettest season.

Over the season highs climb from about 17°C in early March to 29°C by late May. The sky is clear or mostly clear about 45% of the time across spring, and the air most often feels dry.

Spring is Oued Sly's best season of the year to visit on our travel score. For the whole year in context, see Oued Sly's year-round climate.

Avg daytime high
23°C
3rd-warmest season
Avg overnight low
11°C
Rainfall
133 mm
21 wet days
Avg wind
8 km/h
Travel score
7.1
best season of the year
Months
Mar · Apr · May

Temperature in Oued Sly in Spring

Average highAverage lowShaded bands: 10–90% of days

Over the season highs climb from about 17°C in early March to 29°C by late May.

A typical spring day in Oued Sly reaches about 23°C and drops to 11°C overnight. The warmest of the three months is May, the coolest March.

10°20°30°MarAprMay

How spring really feels in Oued Sly

Once humidity and wind are folded in, spring brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

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

Oued Sly weather by month

How the three spring months (March, April and May) compare with the rest of the year — the season's months are highlighted.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan15° / 538.89.84.7
Feb16° / 498.510.65.3
Mar19° / 527.811.76.6
Apr22° / 10°507.812.97.2
May27° / 14°325.113.97.4
Jun32° / 18°71.514.45.0
Jul36° / 22°20.414.22.5
Aug36° / 22°61.713.42.6
Sep31° / 18°204.112.25.3
Oct26° / 14°315.411.17.6
Nov19° / 10°568.710.16.5
Dec16° / 477.59.65.4

Cloud cover in Spring

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 45% of the time across spring.

0%25%50%75%100%MarAprMay

Chance of precipitation in Spring

Any precipitation

Oued Sly gets around 133 mm of rain over 21 wet days across spring. The line is the day-by-day chance of measurable precipitation.

0%10%20%30%40%MarAprMay

Humidity in Spring

DryComfortableHumidMuggyOppressiveMiserable

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

0%25%50%75%100%MarAprMay

Wind in Spring

Winds average 8 km/h across spring.

051015MarAprMay

Sunrise & sunset in Spring

DaylightNight

Daylight runs from about 11 h 06 min in early March to 14 h 12 min by late May. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMMarAprMay

Solar energy in Spring

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across spring, about 5.9 kWh/m².

02468MarAprMay
Planning a trip in spring

Hazard calendar for Oued Sly

In seasonPeak

None of Oued Sly's seasonal hazards peak in spring. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.

Oued Sly sees seasonal dust haze (July–August), heaviest in July.

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

Is spring a good time to visit Oued Sly?

Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.

7.1
Sightseeing
1st-best month of the year
5.1
Beach & pool
3rd-best month of the year

spring is one of the better times to visit Oued Sly for general sightseeing.

What to pack for Oued Sly in Spring

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

In spring, Oued Sly sees daytime highs around 23°C and nights near 11°C. Pack sun protection. Worth having: light clothes and a warm layer. About 21 days see rain.

sun protectionlight clothesa warm layer

Sea temperature near Oued Sly in Spring

The nearest coast averages about 17°C across spring — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 42 km away) is warmest in August at about 25°C and coldest in February near 15°C.

It's comfortable for a long swim from Jun 8 to Nov 1 — about 4.8 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan16Cool
Feb15Cool
Mar15Cool
Apr16Cool
May18Cool
Jun21Refreshing
Jul23Refreshing
Aug25Warm
Sep24Refreshing
Oct21Refreshing
Nov19Cool
Dec17Cool

UV index in Oued Sly in Spring

LowModerateHighVery highExtreme

Clear-sky midday UV across spring averages around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Oued Sly peaks around July 16 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 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 highModerateJul 16UV 10Dec 19UV 2
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar7High
Apr7High
May8Very high
Jun9Very high
Jul10Very high
Aug8Very high
Sep7Very high
Oct5Moderate
Nov3Moderate
Dec2Low

Air quality in Oued Sly in Spring

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Oued Sly is worst in September — around 28 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateSep 1028 µg/m³Jan 1318 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb22Moderate
Mar27Moderate
Apr23Moderate
May19Moderate
Jun21Moderate
Jul26Moderate
Aug27Moderate
Sep28Moderate
Oct22Moderate
Nov19Moderate
Dec19Moderate
Location & terrain

Where is Oued Sly?

Oued Sly sits at 36.1°N, 1.2°E, 90 m above sea level, in Algeria. The nearest listed city is Boukadir, 8.0 km away.

Topography around Oued Sly

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

Within 3 km, the terrain around Oued Sly has only modest variations in elevation — a maximum elevation change of 167 m around an average of 104 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 653 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,916 m.

The land around Oued Sly is covered by trees (29%) and cropland (28%) within 3 km, cropland (41%) and grassland (39%) within 16 km, and grassland (30%), cropland (30%) and water (21%) within 80 km.

3 km
167 m
16 km
653 m
80 km
1,916 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
Spring weather nearby: Boukadir 8.0 km · Ech Chettia 12 km · Chlef 14 km · ’Aïn Merane 22 km · Mazouna 27 km · Ammi Moussa 27 km · Oued Rhiou 30 km · Oued Fodda 31 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 Oued Sly (36.1012°, 1.1995°, elevation 90 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.