Dellys weather in April

In April, Dellys sees average daytime highs of 17°C and overnight lows near 14°C, with 64 mm of rain across 8.1 wet days and about 12.9 hours of daylight. It is the 8th-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 17°C through the month. The sky is clear or mostly clear about 50% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 24 min at the start of April to 13 h 30 min by month's end. Set against the rest of the year, April is Dellys's 7th-clearest and 6th-windiest month. For the whole year in context, see Dellys's year-round climate.

Daytime high
17°
8th warmest
Overnight low
14°
5th coldest
Rainfall
64 mm
8.1 wet days
Daylight
12 h 54 min
6:16 AM – 7:13 PM
Cloud cover
43%
7th clearest
Wind
19 km/h
6th windiest
Solar energy
5.97 kWh/m²
Travel score
5.7
out of 10

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 17°C through the month.

A typical April day in Dellys reaches about 17°C in the afternoon and slips back to 14°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 18°C. Set against its neighbours, April runs about 1°C warmer than March and about 2°C cooler than May.

10°13°15°18°20°151015202530
Avg high (°C)Avg low (°C)
11614
21614
31614
41614
51614
61614
71614
81614
91614
101614
111614
121614
131614
141614
151614
161714
171715
181715
191715
201715
211715
221715
231715
241715
251715
261715
271715
281715
291715
301815

Dellys weather by month

How April compares with the rest of the year at a glance. April is the 8th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan14° / 12°12612.99.84.2
Feb14° / 12°9610.610.64.2
Mar15° / 13°778.811.75.0
Apr17° / 14°648.112.95.7
May19° / 17°475.613.97.1
Jun22° / 20°71.414.58.7
Jul25° / 23°10.314.39.4
Aug26° / 24°51.213.48.9
Sep24° / 23°355.412.38.1
Oct22° / 20°687.8117.2
Nov18° / 16°13213.1105.7
Dec16° / 13°13212.19.54.8

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 50% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 16% of April, with mostly cloudy or overcast conditions the remaining 34%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16931
26931
36931
46931
56931
66931
76832
86832
96832
106832
116733
126634
136634
146634
156634
166535
176535
186535
196535
206535
216436
226436
236436
246535
256535
266535
276535
286535
296634
306634

Chance of precipitation in April

Any precipitation

Dellys gets around 64 mm of rain over 8.1 wet days in April. 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 28% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
127
227
327
427
528
628
728
828
928
1028
1128
1228
1328
1428
1528
1628
1728
1828
1928
2028
2127
2227
2327
2427
2527
2627
2727
2827
2926
3026

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 60% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
180200
279210
378220
476240
575250
674260
773270
871290
970300
1069310
1168320
1267330
1365350
1464360
1562380
1661390
1758411
1857421
1955441
2054451
2152471
2250482
2349492
2447503
2546513
2644524
2743525
2841536
2939547
3038548

Wind in April

Winds average 19 km/h in April.

Across April, daily wind ranges from about 18 km/h on the calmest days to 20 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202530
Wind speed (km/h)Feels
120light breeze
220light breeze
320light breeze
420light breeze
520light breeze
620light breeze
720light 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
2418light breeze
2518light breeze
2618light breeze
2718light breeze
2818light breeze
2918light breeze
3018light breeze

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 24 min at the start of April to 13 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 66 minutes over April. Sunrise moves from 6:38 AM to 5:58 AM, and sunset from 7:00 PM to 7:25 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:387:00
212.46:377:00
312.46:357:01
412.56:347:02
512.56:327:03
612.66:317:04
712.66:297:05
812.66:287:06
912.76:267:07
1012.76:257:08
1112.86:237:08
1212.86:227:09
1312.86:217:10
1412.96:197:11
1512.96:187:12
1612.96:167:13
1713.06:157:14
1813.06:137:15
1913.16:127:16
2013.16:117:16
2113.16:097:17
2213.26:087:18
2313.26:077:19
2413.26:057:20
2513.36:047:21
2613.36:037:22
2713.46:027:23
2813.46:007:24
2913.45:597:25
3013.55:587:25

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.97 kWh/m².

For context, solar energy here swings from a low near 2.22 kWh/m² to a high of 7.46 kWh/m² in July across the year — April's 5.97 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.6Bright
45.6Bright
55.7Bright
65.7Bright
75.7Bright
85.8Bright
95.8Bright
105.8Bright
115.8Bright
125.9Bright
135.9Bright
145.9Bright
155.9Bright
166.0Bright
176.0Bright
186.0Intense
196.0Intense
206.0Intense
216.1Intense
226.1Intense
236.1Intense
246.2Intense
256.2Intense
266.2Intense
276.2Intense
286.3Intense
296.3Intense
306.3Intense
Planning a trip in April

Hazard calendar for Dellys

In seasonPeak

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

Dellys's rainy season runs October–April, when most of the year's rain falls.

Dellys sees seasonal dust haze (June–July), heaviest in July.

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

Is April a good time to visit Dellys?

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

5.7
Sightseeing
7th-best month of the year
1.1
Beach & pool
8th-best month of the year

April is a reasonable time to visit Dellys for sightseeing.

What to pack for Dellys in April

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

In April, Dellys sees daytime highs around 17°C and nights near 14°C. Worth packing: a warm layer, rain gear and sun protection. About 8 days see rain.

a warm layerrain gearsun protection

Sea temperature near Dellys in April

The nearest coast averages about 16°C in April — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 19 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 5 to Nov 7 — about 5.1 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan16Cool
Feb15Cool
Mar15Cool
Apr16Cool
May18Cool
Jun21Refreshing
Jul24Refreshing
Aug25Warm
Sep25Warm
Oct22Refreshing
Nov19Cool
Dec17Cool

UV index in Dellys in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April 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 Dellys peaks around July 16 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJul 16UV 9Dec 20UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar6High
Apr8Very high
May7Very high
Jun9Very high
Jul10Very high
Aug9Very high
Sep7High
Oct5Moderate
Nov3Moderate
Dec2Low

Air quality in Dellys 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 Dellys is worst in August — around 64 µg/m³ PM2.5 (unhealthy), and holds fairly steady the rest of the year.

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecPoorUnhealthyPoorUnhealthyPoorAug 1063 µg/m³Nov 1844 µg/m³
PM2.5 (µg/m³)Level
Jan47Poor
Feb53Poor
Mar59Unhealthy
Apr57Unhealthy
May55Poor
Jun51Poor
Jul63Unhealthy
Aug64Unhealthy
Sep47Poor
Oct55Unhealthy
Nov43Poor
Dec50Poor
Location & terrain

Where is Dellys?

Dellys sits at 36.9°N, 3.9°E, 63 m above sea level, in Algeria. The nearest listed city is Tadmaït, 19 km away.

Topography around Dellys

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

Within 3 km, the terrain around Dellys has significant variations in elevation — a maximum elevation change of 374 m around an average of 61 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 890 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,266 m.

The land around Dellys is covered by water (59%) within 3 km, water (56%) within 16 km, and water (38%), trees (27%) and grassland (20%) within 80 km.

3 km
374 m
16 km
890 m
80 km
2,266 m
treesshrubsgrasslandcroplandartificial surfaceswater
April weather nearby: Tadmaït 19 km · Makouda 20 km · Naciria 20 km · Draa Ben Khedda 21 km · Boudjima 25 km · Tizi Ouzou 26 km · Bordj Menaïel 26 km · Tirmitine 30 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 Dellys (36.9172°, 3.9131°, elevation 63 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).