Arris weather in December

In December, Arris sees average daytime highs of 10°C and overnight lows near 1°C, with 30 mm of precipitation across 6.2 wet days and about 9.7 hours of daylight. It is the 11th-warmest and 11th-wettest month of the year here.

Highs ease over the month, from about 11°C in the first days to 9°C by the end. The sky is clear or mostly clear about 42% of the time in December, and the air most often feels dry.

Daylight stretches from about 9 h 48 min at the start of December to 9 h 42 min by month's end. Set against the rest of the year, December is Arris's 12th-clearest and 7th-windiest month. For the whole year in context, see Arris's year-round climate.

Daytime high: 10°; 11th warmest
Overnight low: 1°; 3rd coldest
Precipitation: 30 mm; 6.2 wet days
Daylight: 9 h 36 min; 7:42 AM – 5:20 PM
Cloud cover: 48%; 12th clearest
Wind: 8 km/h; 7th windiest
Solar energy: 2.65 kWh/m²
Travel score: 2.4; out of 10

← November Arris year-round climate January →Best places to visit in December

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

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 11°C in the first days to 9°C by the end.

A typical December day in Arris reaches about 10°C in the afternoon and slips back to 1°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 5°C and 14°C. Set against its neighbours, December runs about 4°C cooler than November and about 1°C warmer than January.

	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)	11	11	11	11	10	10	10	10	10	10	10	10	10	10	10	10	10	9	9	9	9	9	9	9	9	9	9	9	9	9	9
Avg low (°C)	2	2	2	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	0	0	0	0	0	0	0

	Avg high (°C)	Avg low (°C)
1	11	2
2	11	2
3	11	2
4	11	1
5	10	1
6	10	1
7	10	1
8	10	1
9	10	1
10	10	1
11	10	1
12	10	1
13	10	1
14	10	1
15	10	1
16	10	1
17	10	1
18	9	1
19	9	1
20	9	1
21	9	1
22	9	1
23	9	1
24	9	1
25	9	0
26	9	0
27	9	0
28	9	0
29	9	0
30	9	0
31	9	0

How December really feels in Arris

Once humidity and wind are folded in, December averages 0 days that feel above 32°C and 31 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

The story in December is cold — wind chill drags the overnight "feels like" below the raw low.

Arris weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 11th-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 December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 42% of the time in December, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 19% of December, with mostly cloudy or overcast conditions the remaining 39%.

	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 (%)	65	65	64	64	64	64	64	64	63	62	61	61	60	59	59	59	58	58	58	57	57	57	57	58	58	58	59	61	61	61	62
Cloudier (%)	35	35	36	36	36	36	36	36	37	38	39	39	40	41	41	41	42	42	42	43	43	43	43	42	42	42	41	39	39	39	38

	Clearer (%)	Cloudier (%)
1	65	35
2	65	35
3	64	36
4	64	36
5	64	36
6	64	36
7	64	36
8	64	36
9	63	37
10	62	38
11	61	39
12	61	39
13	60	40
14	59	41
15	59	41
16	59	41
17	58	42
18	58	42
19	58	42
20	57	43
21	57	43
22	57	43
23	57	43
24	58	42
25	58	42
26	58	42
27	59	41
28	61	39
29	61	39
30	61	39
31	62	38

Chance of precipitation in December

Any precipitationSnow

Arris gets around 30 mm of rain and snow over 6.2 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 19% and peaks near 22% on the wettest days, and about 3 days bring snow.

	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 (%)	22	22	22	21	21	20	20	20	19	19	19	19	19	19	19	19	19	19	19	19	19	19	19	19	19	19	19	19	19	18	18
Snow chance (%)	7	7	8	8	8	8	8	8	8	9	9	9	8	8	8	8	8	8	8	8	8	8	8	9	9	9	9	9	10	10	10

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

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the dry band about 100% 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 (%)	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100

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

Wind in December

Winds average 8 km/h in December.

Across December, 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.

	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)	8	7	7	7	7	7	7	7	7	7	7	7	7	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8
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	8	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	8	calm
15	8	calm
16	8	calm
17	8	calm
18	8	calm
19	8	calm
20	8	calm
21	8	calm
22	8	calm
23	8	calm
24	8	calm
25	8	calm
26	8	calm
27	8	calm
28	8	calm
29	8	calm
30	8	calm
31	8	calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 9 h 48 min at the start of December to 9 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over December. Sunrise moves from 7:30 AM to 7:48 AM, and sunset from 5:18 PM to 5:27 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)	9.8	9.8	9.8	9.7	9.7	9.7	9.7	9.7	9.7	9.7	9.7	9.7	9.7	9.6	9.6	9.6	9.6	9.6	9.6	9.6	9.6	9.6	9.6	9.6	9.6	9.6	9.6	9.6	9.6	9.6	9.7
Sunrise (AM)	7:30	7:31	7:32	7:33	7:34	7:35	7:35	7:36	7:37	7:38	7:38	7:39	7:40	7:40	7:41	7:42	7:42	7:43	7:43	7:44	7:44	7:45	7:45	7:46	7:46	7:47	7:47	7:47	7:48	7:48	7:48
Sunset (PM)	5:18	5:18	5:18	5:18	5:18	5:18	5:18	5:18	5:18	5:18	5:19	5:19	5:19	5:19	5:20	5:20	5:20	5:21	5:21	5:21	5:22	5:22	5:23	5:23	5:24	5:24	5:25	5:25	5:26	5:27	5:27

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	9.8	7:30	5:18
2	9.8	7:31	5:18
3	9.8	7:32	5:18
4	9.7	7:33	5:18
5	9.7	7:34	5:18
6	9.7	7:35	5:18
7	9.7	7:35	5:18
8	9.7	7:36	5:18
9	9.7	7:37	5:18
10	9.7	7:38	5:18
11	9.7	7:38	5:19
12	9.7	7:39	5:19
13	9.7	7:40	5:19
14	9.6	7:40	5:19
15	9.6	7:41	5:20
16	9.6	7:42	5:20
17	9.6	7:42	5:20
18	9.6	7:43	5:21
19	9.6	7:43	5:21
20	9.6	7:44	5:21
21	9.6	7:44	5:22
22	9.6	7:45	5:22
23	9.6	7:45	5:23
24	9.6	7:46	5:23
25	9.6	7:46	5:24
26	9.6	7:47	5:24
27	9.6	7:47	5:25
28	9.6	7:47	5:25
29	9.6	7:48	5:26
30	9.6	7:48	5:27
31	9.7	7:48	5:27

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.65 kWh/m² — the year's lowest.

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 — December's 2.65 kWh/m² sits near the bottom.

	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)	2.8	2.8	2.8	2.8	2.7	2.7	2.7	2.7	2.7	2.7	2.7	2.6	2.6	2.6	2.6	2.6	2.6	2.6	2.6	2.6	2.6	2.6	2.6	2.6	2.6	2.7	2.7	2.7	2.7	2.7	2.7
Level	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate

	Solar energy (kWh/m²)	Level
1	2.8	Moderate
2	2.8	Moderate
3	2.8	Moderate
4	2.8	Moderate
5	2.7	Moderate
6	2.7	Moderate
7	2.7	Moderate
8	2.7	Moderate
9	2.7	Moderate
10	2.7	Moderate
11	2.7	Moderate
12	2.6	Moderate
13	2.6	Moderate
14	2.6	Moderate
15	2.6	Moderate
16	2.6	Moderate
17	2.6	Moderate
18	2.6	Moderate
19	2.6	Moderate
20	2.6	Moderate
21	2.6	Moderate
22	2.6	Moderate
23	2.6	Moderate
24	2.6	Moderate
25	2.6	Moderate
26	2.7	Moderate
27	2.7	Moderate
28	2.7	Moderate
29	2.7	Moderate
30	2.7	Moderate
31	2.7	Moderate

Planning a trip in December

Hazard calendar for Arris

In seasonPeak

None of Arris's seasonal hazards are active in December. 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 December a good time to visit Arris?

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

2.4

Sightseeing

10th-best month of the year

0.0

Beach & pool

10th-best month of the year

December is a weaker month for outdoor sightseeing in Arris.

What to pack for Arris in December

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

In December, Arris sees daytime highs around 10°C and nights near 1°C. Pack a warm layer. About 6 days see rain.

a warm layer

UV index in Arris in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 2. 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 December

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where December 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

← November Arris year-round climate January →Best places to visit in December

December 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	11	2
2	11	2
3	11	2
4	11	1
5	10	1
6	10	1
7	10	1
8	10	1
9	10	1
10	10	1
11	10	1
12	10	1
13	10	1
14	10	1
15	10	1
16	10	1
17	10	1
18	9	1
19	9	1
20	9	1
21	9	1
22	9	1
23	9	1
24	9	1
25	9	0
26	9	0
27	9	0
28	9	0
29	9	0
30	9	0
31	9	0

	Clearer (%)	Cloudier (%)
1	65	35
2	65	35
3	64	36
4	64	36
5	64	36
6	64	36
7	64	36
8	64	36
9	63	37
10	62	38
11	61	39
12	61	39
13	60	40
14	59	41
15	59	41
16	59	41
17	58	42
18	58	42
19	58	42
20	57	43
21	57	43
22	57	43
23	57	43
24	58	42
25	58	42
26	58	42
27	59	41
28	61	39
29	61	39
30	61	39
31	62	38

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

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

	Avg high (°C)	Avg low (°C)
1	11	2
2	11	2
3	11	2
4	11	1
5	10	1
6	10	1
7	10	1
8	10	1
9	10	1
10	10	1
11	10	1
12	10	1
13	10	1
14	10	1
15	10	1
16	10	1
17	10	1
18	9	1
19	9	1
20	9	1
21	9	1
22	9	1
23	9	1
24	9	1
25	9	0
26	9	0
27	9	0
28	9	0
29	9	0
30	9	0
31	9	0

	Clearer (%)	Cloudier (%)
1	65	35
2	65	35
3	64	36
4	64	36
5	64	36
6	64	36
7	64	36
8	64	36
9	63	37
10	62	38
11	61	39
12	61	39
13	60	40
14	59	41
15	59	41
16	59	41
17	58	42
18	58	42
19	58	42
20	57	43
21	57	43
22	57	43
23	57	43
24	58	42
25	58	42
26	58	42
27	59	41
28	61	39
29	61	39
30	61	39
31	62	38

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

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

	Avg high (°C)	Avg low (°C)
1	11	2
2	11	2
3	11	2
4	11	1
5	10	1
6	10	1
7	10	1
8	10	1
9	10	1
10	10	1
11	10	1
12	10	1
13	10	1
14	10	1
15	10	1
16	10	1
17	10	1
18	9	1
19	9	1
20	9	1
21	9	1
22	9	1
23	9	1
24	9	1
25	9	0
26	9	0
27	9	0
28	9	0
29	9	0
30	9	0
31	9	0

	Clearer (%)	Cloudier (%)
1	65	35
2	65	35
3	64	36
4	64	36
5	64	36
6	64	36
7	64	36
8	64	36
9	63	37
10	62	38
11	61	39
12	61	39
13	60	40
14	59	41
15	59	41
16	59	41
17	58	42
18	58	42
19	58	42
20	57	43
21	57	43
22	57	43
23	57	43
24	58	42
25	58	42
26	58	42
27	59	41
28	61	39
29	61	39
30	61	39
31	62	38

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

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