Arzew weather in December

In December, Arzew sees average daytime highs of 17°C and overnight lows near 12°C, with 42 mm of rain across 7 wet days and about 9.6 hours of daylight. It is the 10th-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 17°C through the month. The sky is clear or mostly clear about 45% of the time in December, and the air most often feels dry.

Daylight stretches from about 9 h 42 min at the start of December to 9 h 36 min by month's end. Set against the rest of the year, December is Arzew's 11th-clearest and 7th-windiest month. For the whole year in context, see Arzew's year-round climate.

Daytime high
17°
10th warmest
Overnight low
12°
3rd coldest
Rainfall
42 mm
7 wet days
Daylight
9 h 36 min
8:10 AM – 5:45 PM
Cloud cover
46%
11th clearest
Wind
10 km/h
7th windiest
Solar energy
2.49 kWh/m²
Travel score
6.1
out of 10

Arzew is municipality in Oran, Algeria.

Density
909/km²
people per km²

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

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 17°C through the month.

A typical December day in Arzew reaches about 17°C in the afternoon and slips back to 12°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 20°C. Set against its neighbours, December runs about 3°C cooler than November and about 1°C warmer than January.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
11813
21812
31812
41812
51812
61812
71712
81712
91712
101712
111712
121712
131712
141712
151712
161712
171712
181712
191711
201711
211711
221711
231711
241711
251711
261711
271711
281711
291711
301711
311711

How December really feels in Arzew

Once humidity and wind are folded in, December 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

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

Arzew weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan16° / 10°468.29.85.4
Feb16° / 11°387.310.65.7
Mar18° / 12°406.811.76.6
Apr20° / 14°37612.97.2
May23° / 17°223.813.98.2
Jun27° / 20°51.114.48.5
Jul30° / 23°10.114.26.9
Aug31° / 23°40.613.46.4
Sep28° / 21°163.612.27.4
Oct24° / 18°305.411.17.9
Nov20° / 14°587.810.16.8
Dec17° / 12°4279.66.1

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 45% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 21% of December, with mostly cloudy or overcast conditions the remaining 35%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16337
26337
36337
46436
56436
66337
76436
86436
96436
106436
116436
126436
136535
146535
156535
166535
176535
186535
196634
206634
216634
226634
236634
246733
256832
266832
276832
286832
296931
306931
316931

Chance of precipitation in December

Any precipitation

Arzew gets around 42 mm of rain over 7 wet days in December. 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 28% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
128
227
327
426
526
625
725
824
924
1024
1123
1223
1323
1423
1522
1622
1722
1822
1922
2022
2122
2222
2321
2421
2521
2621
2721
2820
2920
3021
3121

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 94% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
18614
28713
38812
48911
59010
6919
7928
8928
9937
10937
11937
12946
13946
14946
15946
16955
17955
18955
19955
20955
21964
22964
23964
24964
25964
26964
27973
28973
29973
30973
31973

Wind in December

Winds average 10 km/h in December.

Across December, 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
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 9 h 42 min at the start of December to 9 h 36 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 7:59 AM to 8:16 AM, and sunset from 5:43 PM to 5:52 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.77:595:43
29.78:005:43
39.78:005:43
49.78:015:43
59.78:025:43
69.78:035:43
79.78:045:43
89.68:045:43
99.68:055:43
109.68:065:43
119.68:075:44
129.68:075:44
139.68:085:44
149.68:095:44
159.68:095:45
169.68:105:45
179.68:115:45
189.68:115:46
199.68:125:46
209.68:125:46
219.68:135:47
229.68:135:47
239.68:145:48
249.68:145:48
259.68:155:49
269.68:155:49
279.68:155:50
289.68:165:50
299.68:165:51
309.68:165:52
319.68:165:52

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.49 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.49 kWh/m² to a high of 7.6 kWh/m² in June across the year — December's 2.49 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.6Moderate
22.6Moderate
32.5Moderate
42.5Moderate
52.5Moderate
62.5Moderate
72.5Moderate
82.5Moderate
92.5Moderate
102.5Moderate
112.5Moderate
122.5Moderate
132.5Moderate
142.5Moderate
152.5Moderate
162.5Moderate
172.5Moderate
182.5Moderate
192.5Moderate
202.5Moderate
212.5Moderate
222.5Moderate
232.5Moderate
242.5Moderate
252.5Moderate
262.5Moderate
272.5Moderate
282.5Moderate
292.6Moderate
302.6Moderate
312.6Moderate
Planning a trip in December

Hazard calendar for Arzew

In seasonPeak

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

Arzew sees seasonal dust haze (July–August), heaviest in July.

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

Is December a good time to visit Arzew?

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

6.1
Sightseeing
10th-best month of the year
1.5
Beach & pool
10th-best month of the year

December is a reasonable time to visit Arzew for sightseeing.

What to pack for Arzew in December

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

In December, Arzew sees daytime highs around 17°C and nights near 12°C. Little to plan around — just the basics. About 7 days see rain.

Sea temperature near Arzew in December

The nearest coast averages about 17°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore 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 Arzew 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 Arzew peaks around July 18 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJul 18UV 9Dec 19UV 2
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar7High
Apr7High
May8Very high
Jun8Very high
Jul9Very high
Aug8Very high
Sep7Very high
Oct5Moderate
Nov3Moderate
Dec2Low

Air quality in Arzew 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 Arzew is worst in March — around 26 µg/m³ PM2.5 (moderate), about 1.6× the cleanest month (June, 16 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 1625 µg/m³Jun 916 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb21Moderate
Mar26Moderate
Apr20Moderate
May16Moderate
Jun16Moderate
Jul19Moderate
Aug19Moderate
Sep22Moderate
Oct20Moderate
Nov17Moderate
Dec18Moderate
Location & terrain

Where is Arzew?

Arzew sits at 35.9°N, 0.3°W, 10 m above sea level, in Algeria. The nearest listed city is Aïn el Bya, 5.0 km away.

Topography around Arzew

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

Within 3 km, the terrain around Arzew has only modest variations in elevation — a maximum elevation change of 227 m around an average of 59 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 627 m; within 80 km, large variations in elevation — a maximum elevation change of 1,033 m.

The land around Arzew is covered by grassland (41%), artificial surfaces (20%) and water (20%) within 3 km, water (51%) and cropland (22%) within 16 km, and water (35%), cropland (33%) and grassland (20%) within 80 km.

3 km
227 m
16 km
627 m
80 km
1,033 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Aïn el Bya 5.0 km · Gdyel 12 km · Assi Bou Nif 24 km · Bir el Djir 25 km · Sidi ech Chahmi 28 km · En Nedjma 32 km · Oran 33 km · Es Senia 36 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 Arzew (35.8505°, -0.318°, elevation 10 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).