Arris weather in October

In October, Arris sees average daytime highs of 20°C and overnight lows near 9°C, with 54 mm of rain across 8.2 wet days and about 11.1 hours of daylight. It is the 6th-warmest and 5th-wettest month of the year here.

Highs ease over the month, from about 22°C in the first days to 18°C by the end. The sky is clear or mostly clear about 42% of the time in October, and the air most often feels dry.

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 Arris's 7th-clearest and 10th-windiest month. For the whole year in context, see Arris's year-round climate.

Daytime high: 20°; 6th warmest
Overnight low: 9°; 7th coldest
Rainfall: 54 mm; 8.2 wet days
Daylight: 11 h 06 min; 6:47 AM – 5:52 PM
Cloud cover: 46%; 7th clearest
Wind: 7 km/h; 10th windiest
Solar energy: 4.27 kWh/m²
Travel score: 6.7; out of 10

← September Arris year-round climate November →Best places to visit in October

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

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 22°C in the first days to 18°C by the end.

A typical October day in Arris reaches about 20°C in the afternoon and slips back to 9°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 25°C. Set against its neighbours, October runs about 5°C cooler than September and about 6°C warmer than November.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Avg high (°C)	22	22	22	22	22	22	21	21	21	21	21	21	20	20	20	20	20	20	20	19	19	19	19	19	19	18	18	18	18	17	17
Avg low (°C)	11	11	11	11	11	11	11	10	10	10	10	10	10	10	9	9	9	9	9	9	9	8	8	8	8	8	8	7	7	7	7

	Avg high (°C)	Avg low (°C)
1	22	11
2	22	11
3	22	11
4	22	11
5	22	11
6	22	11
7	21	11
8	21	10
9	21	10
10	21	10
11	21	10
12	21	10
13	20	10
14	20	10
15	20	9
16	20	9
17	20	9
18	20	9
19	20	9
20	19	9
21	19	9
22	19	8
23	19	8
24	19	8
25	19	8
26	18	8
27	18	8
28	18	7
29	18	7
30	17	7
31	17	7

How October really feels in Arris

Once humidity and wind are folded in, October 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

heat index over the day's high

Days feeling ≤ 0°C

wind chill below the day's low

October sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Arris weather by month

How October compares with the rest of the year at a glance. October is the 6th-warmest and 5th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Snow days	Daylight (hours)	Travel score
Jan	9° / -0°	34	7.1	4.3	9.9	1.8
Feb	10° / 0°	30	6.9	4.1	10.7	2.4
Mar	13° / 2°	55	9.2	2.3	11.7	4.0
Apr	17° / 6°	64	10	0.5	12.9	5.6
May	22° / 10°	62	10.4	0	13.8	6.9
Jun	28° / 15°	41	8.3	0	14.3	6.7
Jul	31° / 18°	20	6.4	0	14.1	5.1
Aug	31° / 18°	38	9.1	0	13.3	5.2
Sep	25° / 14°	70	11.4	0	12.2	6.8
Oct	20° / 9°	54	8.2	0	11.1	6.7
Nov	14° / 4°	37	6.6	0.9	10.1	4.4
Dec	10° / 1°	30	6.2	2.8	9.7	2.4

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 42% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 22% of October, with mostly cloudy or overcast conditions the remaining 36%.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Clearer (%)	67	67	68	68	68	67	67	68	67	67	65	64	64	63	62	62	62	62	62	62	62	62	62	62	62	62	62	62	62	63	63
Cloudier (%)	33	33	32	32	32	33	33	32	33	33	35	36	36	37	38	38	38	38	38	38	38	38	38	38	38	38	38	38	38	37	37

	Clearer (%)	Cloudier (%)
1	67	33
2	67	33
3	68	32
4	68	32
5	68	32
6	67	33
7	67	33
8	68	32
9	67	33
10	67	33
11	65	35
12	64	36
13	64	36
14	63	37
15	62	38
16	62	38
17	62	38
18	62	38
19	62	38
20	62	38
21	62	38
22	62	38
23	62	38
24	62	38
25	62	38
26	62	38
27	62	38
28	62	38
29	62	38
30	63	37
31	63	37

Chance of precipitation in October

Any precipitation

Arris gets around 54 mm of rain over 8.2 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 27% and peaks near 32% on the wettest days. The odds ease toward the end of the month.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Rain chance (%)	32	32	32	31	31	31	31	31	30	30	30	29	29	28	27	27	26	26	25	25	24	23	23	22	22	22	22	22	22	22	22

	Rain chance (%)
1	32
2	32
3	32
4	31
5	31
6	31
7	31
8	31
9	30
10	30
11	30
12	29
13	29
14	28
15	27
16	27
17	26
18	26
19	25
20	25
21	24
22	23
23	23
24	22
25	22
26	22
27	22
28	22
29	22
30	22
31	22

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the dry band about 99% of days. It rarely turns muggy — the humid and sticky bands barely register.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Dry (%)	96	97	97	97	97	98	98	98	98	98	99	99	99	99	99	99	99	99	100	100	100	100	100	100	100	100	100	100	100	100	100
Comfortable (%)	4	3	3	3	3	2	2	2	2	2	1	1	1	1	1	1	1	1	0	0	0	0	0	0	0	0	0	0	0	0	0

	Dry (%)	Comfortable (%)
1	96	4
2	97	3
3	97	3
4	97	3
5	97	3
6	98	2
7	98	2
8	98	2
9	98	2
10	98	2
11	99	1
12	99	1
13	99	1
14	99	1
15	99	1
16	99	1
17	99	1
18	99	1
19	100	0
20	100	0
21	100	0
22	100	0
23	100	0
24	100	0
25	100	0
26	100	0
27	100	0
28	100	0
29	100	0
30	100	0
31	100	0

Wind in October

Winds average 7 km/h in October.

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

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Wind speed (km/h)	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm

	Wind speed (km/h)	Feels
1	7	calm
2	7	calm
3	7	calm
4	7	calm
5	7	calm
6	7	calm
7	7	calm
8	7	calm
9	7	calm
10	7	calm
11	7	calm
12	7	calm
13	7	calm
14	7	calm
15	7	calm
16	7	calm
17	7	calm
18	7	calm
19	7	calm
20	7	calm
21	7	calm
22	7	calm
23	7	calm
24	7	calm
25	7	calm
26	7	calm
27	7	calm
28	7	calm
29	7	calm
30	7	calm
31	7	calm

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 6:34 AM to 7:01 AM, and sunset from 6:13 PM to 5:36 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Daylight (h)	11.6	11.6	11.6	11.5	11.5	11.5	11.4	11.4	11.3	11.3	11.3	11.2	11.2	11.2	11.1	11.1	11.1	11.0	11.0	11.0	10.9	10.9	10.8	10.8	10.8	10.7	10.7	10.7	10.6	10.6	10.6
Sunrise (AM)	6:34	6:35	6:36	6:37	6:37	6:38	6:39	6:40	6:41	6:42	6:42	6:43	6:44	6:45	6:46	6:47	6:48	6:49	6:50	6:50	6:51	6:52	6:53	6:54	6:55	6:56	6:57	6:58	6:59	7:00	7:01
Sunset (PM)	6:13	6:12	6:10	6:09	6:07	6:06	6:04	6:03	6:02	6:00	5:59	5:58	5:56	5:55	5:54	5:52	5:51	5:50	5:49	5:48	5:46	5:45	5:44	5:43	5:42	5:41	5:40	5:39	5:38	5:37	5:36

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	11.6	6:34	6:13
2	11.6	6:35	6:12
3	11.6	6:36	6:10
4	11.5	6:37	6:09
5	11.5	6:37	6:07
6	11.5	6:38	6:06
7	11.4	6:39	6:04
8	11.4	6:40	6:03
9	11.3	6:41	6:02
10	11.3	6:42	6:00
11	11.3	6:42	5:59
12	11.2	6:43	5:58
13	11.2	6:44	5:56
14	11.2	6:45	5:55
15	11.1	6:46	5:54
16	11.1	6:47	5:52
17	11.1	6:48	5:51
18	11.0	6:49	5:50
19	11.0	6:50	5:49
20	11.0	6:50	5:48
21	10.9	6:51	5:46
22	10.9	6:52	5:45
23	10.8	6:53	5:44
24	10.8	6:54	5:43
25	10.8	6:55	5:42
26	10.7	6:56	5:41
27	10.7	6:57	5:40
28	10.7	6:58	5:39
29	10.6	6:59	5:38
30	10.6	7:00	5:37
31	10.6	7:01	5:36

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 4.27 kWh/m².

For context, solar energy here swings from a low near 2.65 kWh/m² to a high of 7.43 kWh/m² in July across the year — October's 4.27 kWh/m² falls in the middle.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Solar energy (kWh/m²)	4.8	4.8	4.7	4.7	4.7	4.6	4.6	4.6	4.5	4.5	4.5	4.4	4.4	4.4	4.3	4.3	4.2	4.2	4.2	4.1	4.1	4.0	4.0	4.0	3.9	3.9	3.9	3.8	3.8	3.7	3.7
Level	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate

	Solar energy (kWh/m²)	Level
1	4.8	Bright
2	4.8	Bright
3	4.7	Bright
4	4.7	Bright
5	4.7	Bright
6	4.6	Bright
7	4.6	Bright
8	4.6	Bright
9	4.5	Bright
10	4.5	Bright
11	4.5	Bright
12	4.4	Bright
13	4.4	Bright
14	4.4	Bright
15	4.3	Bright
16	4.3	Bright
17	4.2	Bright
18	4.2	Bright
19	4.2	Bright
20	4.1	Bright
21	4.1	Bright
22	4.0	Bright
23	4.0	Bright
24	4.0	Moderate
25	3.9	Moderate
26	3.9	Moderate
27	3.9	Moderate
28	3.8	Moderate
29	3.8	Moderate
30	3.7	Moderate
31	3.7	Moderate

Planning a trip in October

Hazard calendar for Arris

In seasonPeak

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

Arris sees seasonal dust haze (April–September), heaviest in June.

Dust

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Is October a good time to visit Arris?

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

6.7

Sightseeing

3rd-best month of the year

3.4

Beach & pool

6th-best month of the year

October is a reasonable time to visit Arris for sightseeing.

What to pack for Arris in October

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

In October, Arris sees daytime highs around 20°C and nights near 9°C. Worth packing: rain gear. About 8 days see rain.

rain gear

UV index in Arris in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Arris peaks around July 10 at about 9 (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.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	3	5	6	6	8	9	9	8	8	6	4	2
Level	Moderate	Moderate	High	High	Very high	Very high	Very high	Very high	Very high	High	Moderate	Moderate

	UV index (midday)	Level
Jan	3	Moderate
Feb	5	Moderate
Mar	6	High
Apr	6	High
May	8	Very high
Jun	9	Very high
Jul	9	Very high
Aug	8	Very high
Sep	8	Very high
Oct	6	High
Nov	4	Moderate
Dec	2	Moderate

Air quality in Arris 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 Arris is worst in June — around 34 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (December, 18 µg/m³).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	20	20	24	31	31	34	30	30	31	26	19	18
Level	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate

	PM2.5 (µg/m³)	Level
Jan	20	Moderate
Feb	20	Moderate
Mar	24	Moderate
Apr	31	Moderate
May	31	Moderate
Jun	34	Moderate
Jul	30	Moderate
Aug	30	Moderate
Sep	31	Moderate
Oct	26	Moderate
Nov	19	Moderate
Dec	18	Moderate

Location & terrain

Where is Arris?

Arris sits at 35.3°N, 6.3°E, 1,205 m above sea level, in Algeria. The nearest listed city is Tazoult-Lambese, 26 km away.

Topography around Arris

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

Within 3 km, the terrain around Arris has large variations in elevation — a maximum elevation change of 631 m around an average of 1,290 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,476 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,322 m.

The land around Arris is covered by grassland (53%) within 3 km, grassland (62%) and trees (21%) within 16 km, and grassland (35%), bare terrain (29%) and cropland (23%) within 80 km.

3 km

631 m

grassland 53%

16 km

1,476 m

grassland 62%

80 km

2,322 m

grassland 35%

treesshrubsgrasslandcroplandartificial surfacesbare terrain

← September Arris year-round climate November →Best places to visit in October

October weather nearby: Tazoult-Lambese 26 km · Batna 37 km · Aïn Touta 43 km · Merouana 57 km · Kaïs 59 km · Zeribet el Oued 66 km · Sidi Okba 70 km · Biskra 72 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

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 Arris (35.2588°, 6.3471°, elevation 1,205 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).

	Avg high (°C)	Avg low (°C)
1	22	11
2	22	11
3	22	11
4	22	11
5	22	11
6	22	11
7	21	11
8	21	10
9	21	10
10	21	10
11	21	10
12	21	10
13	20	10
14	20	10
15	20	9
16	20	9
17	20	9
18	20	9
19	20	9
20	19	9
21	19	9
22	19	8
23	19	8
24	19	8
25	19	8
26	18	8
27	18	8
28	18	7
29	18	7
30	17	7
31	17	7

	Clearer (%)	Cloudier (%)
1	67	33
2	67	33
3	68	32
4	68	32
5	68	32
6	67	33
7	67	33
8	68	32
9	67	33
10	67	33
11	65	35
12	64	36
13	64	36
14	63	37
15	62	38
16	62	38
17	62	38
18	62	38
19	62	38
20	62	38
21	62	38
22	62	38
23	62	38
24	62	38
25	62	38
26	62	38
27	62	38
28	62	38
29	62	38
30	63	37
31	63	37

	Rain chance (%)
1	32
2	32
3	32
4	31
5	31
6	31
7	31
8	31
9	30
10	30
11	30
12	29
13	29
14	28
15	27
16	27
17	26
18	26
19	25
20	25
21	24
22	23
23	23
24	22
25	22
26	22
27	22
28	22
29	22
30	22
31	22

	Dry (%)	Comfortable (%)
1	96	4
2	97	3
3	97	3
4	97	3
5	97	3
6	98	2
7	98	2
8	98	2
9	98	2
10	98	2
11	99	1
12	99	1
13	99	1
14	99	1
15	99	1
16	99	1
17	99	1
18	99	1
19	100	0
20	100	0
21	100	0
22	100	0
23	100	0
24	100	0
25	100	0
26	100	0
27	100	0
28	100	0
29	100	0
30	100	0
31	100	0

	Avg high (°C)	Avg low (°C)
1	22	11
2	22	11
3	22	11
4	22	11
5	22	11
6	22	11
7	21	11
8	21	10
9	21	10
10	21	10
11	21	10
12	21	10
13	20	10
14	20	10
15	20	9
16	20	9
17	20	9
18	20	9
19	20	9
20	19	9
21	19	9
22	19	8
23	19	8
24	19	8
25	19	8
26	18	8
27	18	8
28	18	7
29	18	7
30	17	7
31	17	7

	Clearer (%)	Cloudier (%)
1	67	33
2	67	33
3	68	32
4	68	32
5	68	32
6	67	33
7	67	33
8	68	32
9	67	33
10	67	33
11	65	35
12	64	36
13	64	36
14	63	37
15	62	38
16	62	38
17	62	38
18	62	38
19	62	38
20	62	38
21	62	38
22	62	38
23	62	38
24	62	38
25	62	38
26	62	38
27	62	38
28	62	38
29	62	38
30	63	37
31	63	37

	Rain chance (%)
1	32
2	32
3	32
4	31
5	31
6	31
7	31
8	31
9	30
10	30
11	30
12	29
13	29
14	28
15	27
16	27
17	26
18	26
19	25
20	25
21	24
22	23
23	23
24	22
25	22
26	22
27	22
28	22
29	22
30	22
31	22

	Dry (%)	Comfortable (%)
1	96	4
2	97	3
3	97	3
4	97	3
5	97	3
6	98	2
7	98	2
8	98	2
9	98	2
10	98	2
11	99	1
12	99	1
13	99	1
14	99	1
15	99	1
16	99	1
17	99	1
18	99	1
19	100	0
20	100	0
21	100	0
22	100	0
23	100	0
24	100	0
25	100	0
26	100	0
27	100	0
28	100	0
29	100	0
30	100	0
31	100	0

	Avg high (°C)	Avg low (°C)
1	22	11
2	22	11
3	22	11
4	22	11
5	22	11
6	22	11
7	21	11
8	21	10
9	21	10
10	21	10
11	21	10
12	21	10
13	20	10
14	20	10
15	20	9
16	20	9
17	20	9
18	20	9
19	20	9
20	19	9
21	19	9
22	19	8
23	19	8
24	19	8
25	19	8
26	18	8
27	18	8
28	18	7
29	18	7
30	17	7
31	17	7

	Clearer (%)	Cloudier (%)
1	67	33
2	67	33
3	68	32
4	68	32
5	68	32
6	67	33
7	67	33
8	68	32
9	67	33
10	67	33
11	65	35
12	64	36
13	64	36
14	63	37
15	62	38
16	62	38
17	62	38
18	62	38
19	62	38
20	62	38
21	62	38
22	62	38
23	62	38
24	62	38
25	62	38
26	62	38
27	62	38
28	62	38
29	62	38
30	63	37
31	63	37

	Rain chance (%)
1	32
2	32
3	32
4	31
5	31
6	31
7	31
8	31
9	30
10	30
11	30
12	29
13	29
14	28
15	27
16	27
17	26
18	26
19	25
20	25
21	24
22	23
23	23
24	22
25	22
26	22
27	22
28	22
29	22
30	22
31	22

	Dry (%)	Comfortable (%)
1	96	4
2	97	3
3	97	3
4	97	3
5	97	3
6	98	2
7	98	2
8	98	2
9	98	2
10	98	2
11	99	1
12	99	1
13	99	1
14	99	1
15	99	1
16	99	1
17	99	1
18	99	1
19	100	0
20	100	0
21	100	0
22	100	0
23	100	0
24	100	0
25	100	0
26	100	0
27	100	0
28	100	0
29	100	0
30	100	0
31	100	0