Sidi ech Chahmi weather in October

In October, Sidi ech Chahmi sees average daytime highs of 24°C and overnight lows near 18°C, with 31 mm of rain across 5.4 wet days and about 11.1 hours of daylight. It is the 5th-warmest and 7th-wettest month of the year here.

Highs ease over the month, from about 25°C in the first days to 22°C by the end. The sky is clear or mostly clear about 51% of the time in October, and the air most often feels humid.

Daylight stretches from about 11 h 36 min at the start of October to 10 h 36 min by month's end. Set against the rest of the year, October is Sidi ech Chahmi's 8th-clearest and 11th-windiest month. For the whole year in context, see Sidi ech Chahmi's year-round climate.

Daytime high
24°
5th warmest
Overnight low
18°
8th coldest
Rainfall
31 mm
5.4 wet days
Daylight
11 h 06 min
7:15 AM – 6:20 PM
Cloud cover
42%
8th clearest
Wind
11 km/h
11th windiest
Solar energy
4.17 kWh/m²
Travel score
7.9
out of 10

Sidi ech Chahmi is City in Algeria.

Founded
1845

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 25°C in the first days to 22°C by the end.

A typical October day in Sidi ech Chahmi reaches about 24°C in the afternoon and slips back to 18°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 26°C. Set against its neighbours, October runs about 3°C cooler than September and about 4°C warmer than November.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12520
22520
32520
42520
52520
62520
72519
82419
92419
102419
112419
122419
132419
142419
152419
162418
172418
182318
192318
202318
212318
222318
232318
242318
252318
262317
272217
282217
292217
302217
312217

Sidi ech Chahmi weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan16° / 11°488.49.95.3
Feb16° / 11°377.210.75.5
Mar18° / 12°406.511.76.5
Apr19° / 14°36612.97.1
May22° / 17°213.413.98.1
Jun26° / 20°4114.48.9
Jul29° / 23°10.114.27.9
Aug29° / 24°30.513.37.2
Sep27° / 22°153.512.27.8
Oct24° / 18°315.411.17.9
Nov20° / 15°618.210.16.7
Dec17° / 12°446.99.66.0

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 51% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 16% of October, with mostly cloudy or overcast conditions the remaining 33%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17426
27327
37327
47327
57327
67129
77129
87129
97030
106931
116832
126832
136634
146634
156535
166436
176337
186337
196337
206337
216337
226337
236337
246436
256436
266436
276436
286535
296535
306535
316634

Chance of precipitation in October

Any precipitation

Sidi ech Chahmi gets around 31 mm of rain over 5.4 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 18% and peaks near 21% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
115
215
315
415
515
615
715
816
916
1017
1118
1218
1319
1419
1520
1620
1720
1820
1920
2020
2120
2220
2320
2420
2520
2620
2720
2820
2920
3020
3121

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the humid band about 44% of days. Sticky, muggy-or-worse air turns up on roughly 20% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
121542383
221642372
331643362
431743352
541843341
641943331
752043311
852143301
962244281
1062344271
1162444250
1272445240
1372545220
1472645210
1582746190
1682846180
1782946170
1893046150
1993046140
20103146130
21103246120
22113346110
23123346100
2413344590
2514344480
2615354370
2716364260
2818364150
2919373950
3022383740
3124383530

Wind in October

Winds average 11 km/h in October.

Across October, daily wind ranges from about 11 km/h on the calmest days to 12 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
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3112calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 36 min at the start of October to 10 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 60 minutes over October. Sunrise moves from 7:02 AM to 7:29 AM, and sunset from 6:40 PM to 6:02 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.67:026:40
211.67:036:39
311.67:036:37
411.57:046:36
511.57:056:35
611.57:066:33
711.47:076:32
811.47:086:30
911.37:096:29
1011.37:096:28
1111.37:106:26
1211.27:116:25
1311.27:126:23
1411.27:136:22
1511.17:146:21
1611.17:156:20
1711.07:166:18
1811.07:176:17
1911.07:176:16
2010.97:186:15
2110.97:196:13
2210.97:206:12
2310.87:216:11
2410.87:226:10
2510.87:236:09
2610.77:246:08
2710.77:256:06
2810.77:266:05
2910.67:276:04
3010.67:286:03
3110.67:296:02

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 4.17 kWh/m².

For context, solar energy here swings from a low near 2.49 kWh/m² to a high of 7.61 kWh/m² in June across the year — October's 4.17 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.7Bright
44.7Bright
54.6Bright
64.6Bright
74.5Bright
84.5Bright
94.5Bright
104.4Bright
114.4Bright
124.3Bright
134.3Bright
144.2Bright
154.2Bright
164.1Bright
174.1Bright
184.0Bright
194.0Bright
204.0Moderate
213.9Moderate
223.9Moderate
233.9Moderate
243.8Moderate
253.8Moderate
263.7Moderate
273.7Moderate
283.7Moderate
293.6Moderate
303.6Moderate
313.5Moderate
Planning a trip in October

Hazard calendar for Sidi ech Chahmi

In seasonPeak

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

Sidi ech Chahmi sees seasonal dust haze (July–August), heaviest in July.

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

Is October a good time to visit Sidi ech Chahmi?

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

7.9
Sightseeing
3rd-best month of the year
6.4
Beach & pool
5th-best month of the year

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

What to pack for Sidi ech Chahmi in October

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

In October, Sidi ech Chahmi sees daytime highs around 24°C and nights near 18°C. Worth packing: light clothes. About 5 days see rain.

light clothes

Sea temperature near Sidi ech Chahmi in October

The nearest coast averages about 21°C in October — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 26 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 Oct 30 — about 4.8 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan16Cool
Feb15Cool
Mar16Cool
Apr17Cool
May18Cool
Jun21Refreshing
Jul23Refreshing
Aug25Warm
Sep24Refreshing
Oct21Refreshing
Nov19Cool
Dec17Cool

UV index in Sidi ech Chahmi in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Sidi ech Chahmi peaks around July 19 at about 9 (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.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateVery highHighModerateJul 19UV 9Dec 19UV 2
UV index (midday)Level
Jan3Moderate
Feb3Moderate
Mar7High
Apr7Very high
May8Very high
Jun8Very high
Jul10Very high
Aug9Very high
Sep7Very high
Oct5High
Nov3Moderate
Dec2Moderate

Air quality in Sidi ech Chahmi in October

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Sidi ech Chahmi is worst in March — around 23 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (June, 13 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 1622 µg/m³Jun 1013 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb19Moderate
Mar23Moderate
Apr17Moderate
May14Moderate
Jun13Moderate
Jul16Moderate
Aug16Moderate
Sep19Moderate
Oct17Moderate
Nov15Moderate
Dec15Moderate
Location & terrain

Where is Sidi ech Chahmi?

Sidi ech Chahmi sits at 35.7°N, 0.5°W, 92 m above sea level, in Algeria. The nearest listed city is Assi Bou Nif, 4.0 km away.

Topography around Sidi ech Chahmi

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

Within 3 km, the terrain around Sidi ech Chahmi has only modest variations in elevation — a maximum elevation change of 95 m around an average of 104 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 603 m; within 80 km, large variations in elevation — a maximum elevation change of 1,099 m.

The land around Sidi ech Chahmi is covered by cropland (67%) within 3 km, cropland (41%) and grassland (21%) within 16 km, and cropland (37%) and water (33%) within 80 km.

3 km
95 m
16 km
603 m
80 km
1,099 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
October weather nearby: Assi Bou Nif 4.0 km · En Nedjma 4.0 km · Bir el Djir 7.0 km · Es Senia 9.0 km · Oran 11 km · Gdyel 16 km · Mers el Kebir 18 km · ’Aïn el Turk 24 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 ech Chahmi (35.659°, -0.5217°, elevation 92 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).