Kaïs weather in May

In May, Kaïs sees average daytime highs of 25°C and overnight lows near 12°C, with 37 mm of rain across 6.9 wet days and about 13.8 hours of daylight. It is the 5th-warmest and 3rd-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 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 Kaïs's 5th-clearest and 6th-windiest month. For the whole year in context, see Kaïs's year-round climate.

Daytime high
25°
5th warmest
Overnight low
12°
8th coldest
Rainfall
37 mm
6.9 wet days
Daylight
13 h 54 min
5:33 AM – 7:24 PM
Cloud cover
45%
5th clearest
Wind
8 km/h
6th windiest
Solar energy
6.75 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 23°C in the first days to 27°C by the end.

A typical May day in Kaïs reaches about 25°C in the afternoon and slips back to 12°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 31°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)
12310
22310
32310
42311
52411
62411
72411
82411
92411
102411
112512
122512
132512
142512
152512
162512
172512
182613
192613
202613
212613
222613
232613
242613
252714
262714
272714
282714
292714
302814
312815

How May really feels in Kaïs

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.

Kaïs weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan11° / 336.91.49.93.2
Feb13° / 2561.310.73.9
Mar16° / 387.80.711.75.5
Apr20° / 417.30.212.96.9
May25° / 12°376.9013.87.5
Jun31° / 17°204.5014.45.5
Jul35° / 20°103.2014.23.4
Aug34° / 20°164.8013.33.9
Sep28° / 16°307.1012.26.4
Oct23° / 12°315.6011.17.7
Nov17° / 304.90.110.16.0
Dec12° / 285.60.69.63.8

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 21% of May, with mostly cloudy or overcast conditions the remaining 34%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16535
26634
36733
46733
56733
66832
76832
86931
96832
106832
116832
126832
136733
146733
156733
166634
176634
186634
196634
206634
216535
226535
236535
246436
256535
266535
276535
286535
296535
306634
316634

Chance of precipitation in May

Any precipitation

Kaïs gets around 37 mm of rain over 6.9 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 26% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
126
225
325
424
524
623
723
823
922
1022
1122
1222
1322
1422
1522
1622
1722
1822
1922
2022
2122
2222
2323
2423
2523
2622
2722
2822
2922
3022
3121

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 96% 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
15982
16982
17982
18973
19973
20964
21955
22955
23946
24937
25928
26928
27919
289010
298911
308911
318812

Wind in May

Winds average 8 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
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
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 5:47 AM to 5:24 AM, and sunset from 7:12 PM to 7:36 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.45:477:12
213.45:467:13
313.55:457:14
413.55:447:15
513.55:437:15
613.65:427:16
713.65:417:17
813.65:407:18
913.75:397:19
1013.75:387:20
1113.75:377:20
1213.85:367:21
1313.85:357:22
1413.85:347:23
1513.85:337:24
1613.95:337:24
1713.95:327:25
1813.95:317:26
1913.95:307:27
2014.05:307:28
2114.05:297:28
2214.05:287:29
2314.05:287:30
2414.15:277:31
2514.15:277:31
2614.15:267:32
2714.15:267:33
2814.15:257:34
2914.25:257:34
3014.25:247:35
3114.25:247:36

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.75 kWh/m².

For context, solar energy here swings from a low near 2.46 kWh/m² to a high of 7.4 kWh/m² in July across the year — May's 6.75 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.5Intense
26.6Intense
36.6Intense
46.6Intense
56.7Intense
66.7Intense
76.7Intense
86.7Intense
96.7Intense
106.7Intense
116.8Intense
126.8Intense
136.8Intense
146.8Intense
156.8Intense
166.8Intense
176.8Intense
186.8Intense
196.8Intense
206.8Intense
216.8Intense
226.8Intense
236.8Intense
246.8Intense
256.8Intense
266.8Intense
276.8Intense
286.8Intense
296.9Intense
306.9Intense
316.9Intense
Planning a trip in May

Hazard calendar for Kaïs

In seasonPeak

In May, Kaïs sits inside its dust season. The full year is below, with each hazard's peak months called out.

Kaïs sees seasonal dust haze (April–August), heaviest in June.

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

Is May a good time to visit Kaïs?

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

7.5
Sightseeing
2nd-best month of the year
6.8
Beach & pool
5th-best month of the year

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

What to pack for Kaïs in May

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

In May, Kaïs sees daytime highs around 25°C and nights near 12°C. Pack sun protection. Worth having: light clothes. About 7 days see rain.

sun protectionlight clothes

UV index in Kaïs 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 Kaïs peaks around July 15 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 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 15UV 10Dec 21UV 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 Kaïs 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 Kaïs is worst in June — around 32 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (December, 18 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateJun 1432 µg/m³Dec 1718 µg/m³
PM2.5 (µg/m³)Level
Jan19Moderate
Feb20Moderate
Mar24Moderate
Apr30Moderate
May30Moderate
Jun32Moderate
Jul29Moderate
Aug29Moderate
Sep30Moderate
Oct26Moderate
Nov19Moderate
Dec18Moderate
Location & terrain

Where is Kaïs?

Kaïs sits at 35.5°N, 6.9°E, 933 m above sea level, in Algeria. The nearest listed city is Khenchela, 21 km away.

Topography around Kaïs

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

Within 3 km, the terrain around Kaïs has significant variations in elevation — a maximum elevation change of 294 m around an average of 943 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,269 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,171 m.

The land around Kaïs is covered by cropland (51%) and grassland (22%) within 3 km, cropland (58%) and trees (21%) within 16 km, and cropland (45%) and grassland (33%) within 80 km.

3 km
294 m
16 km
1,269 m
80 km
2,171 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
May weather nearby: Khenchela 21 km · Oum el Bouaghi 46 km · Aïn Kercha 52 km · Aïn Fakroun 53 km · Aïn Beïda 54 km · Arris 59 km · Tazoult-Lambese 60 km · Aïn M’Lila 68 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 Kaïs (35.4947°, 6.9249°, elevation 933 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).