Sidi Aïssa weather in May

In May, Sidi Aïssa sees average daytime highs of 25°C and overnight lows near 12°C, with 38 mm of rain across 6.6 wet days and about 13.9 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 47% 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 Sidi Aïssa's 6th-clearest and 4th-windiest month. For the whole year in context, see Sidi Aïssa's year-round climate.

Daytime high
25°
5th warmest
Overnight low
12°
8th coldest
Rainfall
38 mm
6.6 wet days
Daylight
13 h 54 min
5:44 AM – 7:38 PM
Cloud cover
45%
6th clearest
Wind
10 km/h
4th windiest
Solar energy
6.87 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 Sidi Aïssa reaches about 25°C in the afternoon and slips back to 12°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 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)
12210
22210
32310
42311
52311
62311
72311
82411
92411
102412
112412
122412
132412
142512
152512
162512
172513
182513
192513
202613
212613
222613
232613
242614
252714
262714
272714
282714
292714
302715
312815

How May really feels in Sidi Aïssa

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.

Sidi Aïssa 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° / 367.51.19.83.0
Feb13° / 317.71.610.63.7
Mar16° / 387.70.411.75.6
Apr20° / 478.60.112.96.6
May25° / 12°386.6013.97.6
Jun31° / 17°163.8014.45.6
Jul35° / 21°72.4014.23.3
Aug34° / 20°144.3013.43.5
Sep29° / 16°335.7012.26.5
Oct23° / 12°325.9011.17.6
Nov16° / 346.6010.15.5
Dec12° / 316.90.89.63.5

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 47% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 18% of May, with mostly cloudy or overcast conditions the remaining 35%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16337
26238
36337
46337
56337
66337
76337
86436
96436
106337
116436
126337
136436
146436
156535
166436
176535
186535
196535
206634
216634
226634
236634
246733
256733
266733
276733
286832
296931
306931
316931

Chance of precipitation in May

Any precipitation

Sidi Aïssa gets around 38 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 27% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
127
226
325
424
523
623
722
821
920
1020
1119
1219
1319
1419
1519
1619
1719
1820
1920
2020
2120
2221
2321
2421
2521
2621
2721
2821
2920
3020
3119

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 95% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1991
2991
3991
4991
5991
6991
7982
8982
9982
10973
11973
12973
13964
14964
15955
16955
17955
18946
19946
20946
21937
22937
23937
24928
25919
26919
279010
289010
299010
308911
318911

Wind in May

Winds average 10 km/h in May.

Across May, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

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 5:59 AM to 5:35 AM, and sunset from 7:25 PM to 7:49 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.45:597:25
213.55:587:26
313.55:577:27
413.55:567:28
513.65:557:29
613.65:547:30
713.65:537:30
813.75:527:31
913.75:517:32
1013.75:507:33
1113.85:497:34
1213.85:487:35
1313.85:477:35
1413.85:467:36
1513.95:457:37
1613.95:447:38
1713.95:447:39
1813.95:437:40
1914.05:427:40
2014.05:417:41
2114.05:417:42
2214.05:407:43
2314.15:397:43
2414.15:397:44
2514.15:387:45
2614.15:387:46
2714.25:377:46
2814.25:377:47
2914.25:367:48
3014.25:367:49
3114.25:357:49

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.87 kWh/m².

For context, solar energy here swings from a low near 2.39 kWh/m² to a high of 7.58 kWh/m² in July across the year — May's 6.87 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
16.5Intense
26.5Intense
36.6Intense
46.6Intense
56.7Intense
66.7Intense
76.7Intense
86.8Intense
96.8Intense
106.8Intense
116.8Intense
126.8Intense
136.9Intense
146.9Intense
156.9Intense
166.9Intense
176.9Intense
186.9Intense
196.9Intense
207.0Intense
217.0Intense
227.0Intense
237.0Intense
247.0Intense
257.0Intense
267.0Intense
277.1Intense
287.1Intense
297.1Intense
307.1Intense
317.2Intense
Planning a trip in May

Hazard calendar for Sidi Aïssa

In seasonPeak

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

Sidi Aïssa 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 Sidi Aïssa?

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
6.7
Beach & pool
5th-best month of the year

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

What to pack for Sidi Aïssa in May

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

In May, Sidi Aïssa 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 Sidi Aïssa 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 Sidi Aïssa peaks around July 11 at about 10 (extreme) — 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 highExtremeVery highHighModerateJul 11UV 10Dec 19UV 2
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar7High
Apr8Very high
May8Very high
Jun10Very high
Jul10Extreme
Aug9Very high
Sep8Very high
Oct5High
Nov3Moderate
Dec2Moderate

Air quality in Sidi Aïssa 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 Sidi Aïssa is worst in September — around 39 µg/m³ PM2.5 (poor), and holds fairly steady the rest of the year.

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModeratePoorModerateSep 1539 µg/m³Nov 1831 µg/m³
PM2.5 (µg/m³)Level
Jan33Moderate
Feb33Moderate
Mar36Poor
Apr35Moderate
May34Moderate
Jun34Moderate
Jul38Poor
Aug37Poor
Sep39Poor
Oct36Poor
Nov31Moderate
Dec34Moderate
Location & terrain

Where is Sidi Aïssa?

Sidi Aïssa sits at 35.9°N, 3.8°E, 662 m above sea level, in Algeria. The nearest listed city is Ain el Hadjel, 26 km away.

Topography around Sidi Aïssa

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

Within 3 km, the terrain around Sidi Aïssa has only modest variations in elevation — a maximum elevation change of 160 m around an average of 685 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 752 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,173 m.

The land around Sidi Aïssa is covered by bare terrain (39%) and cropland (28%) within 3 km, bare terrain (43%), cropland (34%) and grassland (21%) within 16 km, and grassland (42%), cropland (25%) and bare terrain (21%) within 80 km.

3 km
160 m
16 km
752 m
80 km
2,173 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
May weather nearby: Ain el Hadjel 26 km · Sour el Ghozlane 30 km · Chellalat el Adhaouara 33 km · Melouza 39 km · Aïn Bessem 46 km · Bouïra 56 km · Birine 57 km · Mansourah 65 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 Sidi Aïssa (35.8855°, 3.7724°, elevation 662 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).