Arzew weather in January

In January, Arzew sees average daytime highs of 16°C and overnight lows near 10°C, with 46 mm of rain across 8.2 wet days and about 9.8 hours of daylight. It is the 12th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 16°C through the month. The sky is clear or mostly clear about 47% of the time in January, and the air most often feels dry.

Daylight stretches from about 9 h 36 min at the start of January to 10 h 12 min by month's end. Set against the rest of the year, January is Arzew's 10th-clearest and 4th-windiest month. For the whole year in context, see Arzew's year-round climate.

Daytime high
16°
12th warmest
Overnight low
10°
1st coldest
Rainfall
46 mm
8.2 wet days
Daylight
9 h 48 min
8:16 AM – 6:05 PM
Cloud cover
44%
10th clearest
Wind
11 km/h
4th windiest
Solar energy
2.83 kWh/m²
Travel score
5.4
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 January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 16°C through the month.

A typical January day in Arzew reaches about 16°C in the afternoon and slips back to 10°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 13°C and 19°C. Set against its neighbours, January runs about 1°C cooler than December and on par with February.

10°15°20°151015202531
Avg high (°C)Avg low (°C)
11711
21711
31610
41610
51610
61610
71610
81610
91610
101610
111610
121610
131610
141610
151610
161610
171610
181610
191610
201610
211610
221610
231610
241610
251610
261610
271610
281610
291610
301610
311610

How January really feels in Arzew

Once humidity and wind are folded in, January 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

January 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 January compares with the rest of the year at a glance. January is the 12th-warmest and 2nd-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 January

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 19% of January, with mostly cloudy or overcast conditions the remaining 34%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16931
27030
37030
47030
57129
67129
77129
87030
97030
106832
116832
126832
136733
146634
156634
166535
176535
186436
196337
206238
216139
226139
236139
246238
256139
266139
276238
286238
296337
306337
316436

Chance of precipitation in January

Any precipitation

Arzew gets around 46 mm of rain over 8.2 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 26% and peaks near 30% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
121
221
321
421
521
622
722
822
923
1023
1124
1224
1325
1426
1526
1627
1727
1828
1928
2029
2129
2230
2330
2430
2530
2630
2730
2830
2930
3030
3129

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

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

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1982
2982
3982
4982
5982
6991
7991
8991
9991
10991
11991
121000
131000
141000
151000
161000
171000
181000
191000
201000
211000
221000
231000
241000
251000
261000
27991
28991
29991
30991
31991

Wind in January

Winds average 11 km/h in January.

Across January, 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
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 9 h 36 min at the start of January to 10 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 36 minutes over January. Sunrise moves from 8:16 AM to 8:09 AM, and sunset from 5:53 PM to 6:20 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.68:165:53
29.68:165:53
39.68:175:54
49.68:175:55
59.68:175:56
69.78:175:56
79.78:175:57
89.78:175:58
99.78:175:59
109.78:176:00
119.78:176:01
129.78:176:01
139.88:176:02
149.88:166:03
159.88:166:04
169.88:166:05
179.88:166:06
189.98:156:07
199.98:156:08
209.98:156:09
219.98:146:10
229.98:146:11
2310.08:146:12
2410.08:136:13
2510.08:136:14
2610.08:126:15
2710.18:126:16
2810.18:116:17
2910.18:116:18
3010.28:106:19
3110.28:096:20

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 2.83 kWh/m².

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 — January's 2.83 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
12.6Moderate
22.6Moderate
32.6Moderate
42.7Moderate
52.7Moderate
62.7Moderate
72.7Moderate
82.7Moderate
92.7Moderate
102.7Moderate
112.8Moderate
122.8Moderate
132.8Moderate
142.8Moderate
152.8Moderate
162.8Moderate
172.8Moderate
182.8Moderate
192.9Moderate
202.9Moderate
212.9Moderate
222.9Moderate
232.9Moderate
243.0Moderate
253.0Moderate
263.0Moderate
273.1Moderate
283.1Moderate
293.1Moderate
303.2Moderate
313.2Moderate
Planning a trip in January

Hazard calendar for Arzew

In seasonPeak

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

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

5.4
Sightseeing
12th-best month of the year
0.7
Beach & pool
12th-best month of the year

January is a reasonable time to visit Arzew for sightseeing.

What to pack for Arzew in January

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

In January, Arzew sees daytime highs around 16°C and nights near 10°C. Worth packing: a warm layer and rain gear. About 8 days see rain.

a warm layerrain gear

Sea temperature near Arzew in January

The nearest coast averages about 16°C in January — 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 January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 3. 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 January

GoodModeratePoorUnhealthyVery unhealthy

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