Aïn Defla weather in May

In May, Aïn Defla sees average daytime highs of 25°C and overnight lows near 13°C, with 44 mm of rain across 6.6 wet days and about 13.9 hours of daylight. It is the 5th-warmest and 7th-wettest month of the year here.

Highs climb over the month, from about 23°C in the first days to 27°C by the end. The sky is clear or mostly clear about 48% of the time in May, and the air most often feels dry.

Daylight stretches from about 13 h 30 min at the start of May to 14 h 18 min by month's end. Set against the rest of the year, May is Aïn Defla's 5th-clearest and 7th-windiest month. For the whole year in context, see Aïn Defla's year-round climate.

Daytime high
25°
5th warmest
Overnight low
13°
7th coldest
Rainfall
44 mm
6.6 wet days
Daylight
13 h 54 min
5:51 AM – 7:46 PM
Cloud cover
44%
5th clearest
Wind
8 km/h
7th windiest
Solar energy
6.84 kWh/m²
Travel score
7.6
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 23°C in the first days to 27°C by the end.

A typical May day in Aïn Defla reaches about 25°C in the afternoon and slips back to 13°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 30°C. Set against its neighbours, May runs about 4°C warmer than April and about 5°C cooler than June.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12211
22211
32311
42311
52311
62312
72312
82312
92412
102412
112412
122412
132413
142413
152413
162513
172513
182513
192513
202513
212514
222514
232614
242614
252614
262614
272614
282715
292715
302715
312715

How May really feels in Aïn Defla

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.

Aïn Defla weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan14° / 619.50.39.84.1
Feb15° / 569.10.510.64.5
Mar17° / 669.20.211.75.9
Apr20° / 608.7012.96.7
May25° / 13°446.6013.97.6
Jun30° / 17°102.1014.46.5
Jul34° / 21°41014.24.0
Aug34° / 21°92.6013.43.8
Sep29° / 18°305.6012.26.1
Oct24° / 14°406.5011.17.5
Nov18° / 649.6010.16.0
Dec15° / 568.50.29.64.7

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 48% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 17% of May, with mostly cloudy or overcast conditions the remaining 34%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16337
26337
36337
46337
56436
66535
76535
86535
96535
106535
116535
126535
136535
146535
156535
166535
176535
186634
196634
206634
216634
226634
236634
246733
256733
266733
276832
286832
296931
307030
317030

Chance of precipitation in May

Any precipitation

Aïn Defla gets around 44 mm of rain over 6.6 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 21% and peaks near 28% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
128
227
327
426
526
625
725
824
924
1023
1123
1222
1322
1421
1521
1621
1720
1820
1920
2020
2119
2219
2318
2418
2517
2616
2716
2815
2914
3014
3113

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 76% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
190100
289110
388120
487121
586131
685141
784151
883161
982171
1081181
1180191
1280191
1378202
1478202
1577212
1677212
1776222
1876222
1975232
2074242
2172253
2271263
2370273
2468284
2567294
2666304
2764315
2863325
2961336
3060346
3160346

Wind in May

Winds average 8 km/h in May.

Across May, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 30 min at the start of May to 14 h 18 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 6:06 AM to 5:42 AM, and sunset from 7:33 PM to 7:57 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.56:067:33
213.56:047:34
313.56:037:35
413.66:027:36
513.66:017:37
613.66:007:37
713.75:597:38
813.75:587:39
913.75:577:40
1013.75:567:41
1113.85:557:42
1213.85:547:43
1313.85:537:43
1413.95:527:44
1513.95:527:45
1613.95:517:46
1713.95:507:47
1814.05:497:48
1914.05:487:48
2014.05:487:49
2114.05:477:50
2214.15:467:51
2314.15:467:52
2414.15:457:52
2514.15:457:53
2614.25:447:54
2714.25:437:55
2814.25:437:55
2914.25:427:56
3014.25:427:57
3114.35:427:57

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.84 kWh/m².

For context, solar energy here swings from a low near 2.3 kWh/m² to a high of 7.59 kWh/m² in July across the year — May's 6.84 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
16.4Intense
26.5Intense
36.5Intense
46.5Intense
56.5Intense
66.6Intense
76.6Intense
86.6Intense
96.7Intense
106.7Intense
116.7Intense
126.8Intense
136.8Intense
146.8Intense
156.8Intense
166.8Intense
176.9Intense
186.9Intense
196.9Intense
206.9Intense
217.0Intense
227.0Intense
237.0Intense
247.0Intense
257.1Intense
267.1Intense
277.1Intense
287.1Intense
297.2Intense
307.2Intense
317.2Intense
Planning a trip in May

Hazard calendar for Aïn Defla

In seasonPeak

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

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

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

Is May a good time to visit Aïn Defla?

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

7.6
Sightseeing
1st-best month of the year
6.6
Beach & pool
5th-best month of the year

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

What to pack for Aïn Defla in May

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

In May, Aïn Defla sees daytime highs around 25°C and nights near 13°C. Pack sun protection. Worth having: light clothes. About 7 days see rain.

sun protectionlight clothes

Sea temperature near Aïn Defla in May

The nearest coast averages about 18°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 41 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 7 to Nov 3 — about 4.9 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
Sep24Warm
Oct22Refreshing
Nov19Cool
Dec17Cool

UV index in Aïn Defla in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Aïn Defla peaks around July 17 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 17UV 10Dec 19UV 2
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar6High
Apr7Very high
May8Very high
Jun8Very high
Jul10Very high
Aug9Very high
Sep7Very high
Oct5Moderate
Nov3Moderate
Dec2Low

Air quality in Aïn Defla 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 Aïn Defla is worst in July — around 38 µg/m³ PM2.5 (poor), and holds fairly steady the rest of the year.

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateJul 2037 µg/m³Nov 1925 µg/m³
PM2.5 (µg/m³)Level
Jan25Moderate
Feb27Moderate
Mar31Moderate
Apr28Moderate
May26Moderate
Jun27Moderate
Jul38Poor
Aug34Moderate
Sep34Moderate
Oct29Moderate
Nov24Moderate
Dec26Moderate
Location & terrain

Where is Aïn Defla?

Aïn Defla sits at 36.3°N, 2.0°E, 264 m above sea level, in Algeria. The nearest listed city is Khemis Miliana, 23 km away.

Topography around Aïn Defla

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

Within 3 km, the terrain around Aïn Defla has large variations in elevation — a maximum elevation change of 644 m around an average of 358 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 907 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,952 m.

The land around Aïn Defla is covered by cropland (31%) and artificial surfaces (22%) within 3 km, cropland (43%) and grassland (26%) within 16 km, and grassland (28%), cropland (23%) and water (21%) within 80 km.

3 km
644 m
16 km
907 m
80 km
1,952 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Khemis Miliana 23 km · Miliana 23 km · El Abadia 25 km · El Attaf 27 km · Oued Fodda 40 km · Cherchell 43 km · Theniet el Had 44 km · Hadjout 49 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 Aïn Defla (36.264°, 1.9679°, elevation 264 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).