Arta weather in January

In January, Arta sees average daytime highs of 27°C and overnight lows near 19°C, with 17 mm of rain across 5.5 wet days and about 11.4 hours of daylight. It is the 12th-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 44% of the time in January, and the air most often feels humid.

Daylight stretches from about 11 h 18 min at the start of January to 11 h 30 min by month's end. Set against the rest of the year, January is Arta's 12th-clearest and 2nd-windiest month. For the whole year in context, see Arta's year-round climate.

Daytime high
27°
12th warmest
Overnight low
19°
1st coldest
Rainfall
17 mm
5.5 wet days
Daylight
11 h 24 min
6:36 AM – 6:00 PM
Cloud cover
47%
12th clearest
Wind
13 km/h
2nd windiest
Solar energy
4.89 kWh/m²
Travel score
7.4
out of 10

Arta is city in Djibouti.

Density
8,738/km²
people per km²
Founded
1650

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 27°C through the month.

A typical January day in Arta reaches about 27°C in the afternoon and slips back to 19°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 29°C. Set against its neighbours, January runs on par with December and about 1°C cooler than February.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12719
22719
32719
42719
52719
62719
72719
82719
92719
102719
112719
122719
132719
142719
152719
162719
172719
182719
192719
202719
212719
222719
232719
242719
252719
262719
272719
282719
292719
302719
312719

How January really feels in Arta

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.

Arta weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 19°175.511.47.4
Feb28° / 20°112.711.67.1
Mar30° / 21°204.511.95.7
Apr32° / 23°356.912.24.4
May36° / 26°153.412.52.3
Jun40° / 28°20.412.70.2
Jul39° / 29°103.112.60.8
Aug38° / 28°245.212.41.3
Sep37° / 27°134.112.11.7
Oct33° / 23°17511.74.4
Nov29° / 21°174.111.56.5
Dec28° / 19°123.711.37.7

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 44% of the time in January, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 18% of January, with mostly cloudy or overcast conditions the remaining 39%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17228
27129
37030
46931
56832
66733
76535
86535
96337
106238
116139
126040
135842
145842
155743
165644
175644
185644
195644
205743
215743
225743
235842
245842
255941
265941
276139
286139
296238
306238
316238

Chance of precipitation in January

Any precipitation

Arta gets around 17 mm of rain over 5.5 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 17% and peaks near 20% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
113
213
314
414
515
615
716
816
917
1017
1118
1218
1319
1419
1520
1620
1720
1820
1920
2020
2120
2219
2319
2418
2518
2617
2716
2815
2915
3014
3113

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the humid band about 47% of days. Sticky, muggy-or-worse air turns up on roughly 35% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
132053240
232053240
341952250
441952250
541951260
641852260
741851270
841751280
941651290
1041650300
1141549310
1241549320
1331448340
1431448350
1531347360
1631346380
1721346390
1821345400
1921345400
2011344410
2111344410
2211344420
2311344421
2411344421
2511344421
2611344411
2711344411
2811344411
2911444401
3011444391
3111444391

Wind in January

Winds average 13 km/h in January.

Across January, daily wind ranges from about 13 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 11 h 18 min at the start of January to 11 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over January. Sunrise moves from 6:32 AM to 6:37 AM, and sunset from 5:52 PM to 6:07 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.36:325:52
211.36:325:52
311.36:325:53
411.36:335:53
511.36:335:54
611.36:335:54
711.46:345:55
811.46:345:55
911.46:345:56
1011.46:355:57
1111.46:355:57
1211.46:355:58
1311.46:355:58
1411.46:365:59
1511.46:365:59
1611.46:366:00
1711.46:366:00
1811.46:366:01
1911.46:376:01
2011.46:376:02
2111.46:376:02
2211.46:376:03
2311.46:376:03
2411.46:376:04
2511.46:376:04
2611.56:376:04
2711.56:376:05
2811.56:376:05
2911.56:376:06
3011.56:376:06
3111.56:376:07

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 4.89 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.89 kWh/m² to a high of 6.54 kWh/m² in April across the year — January's 4.89 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
44.9Bright
54.9Bright
64.9Bright
74.9Bright
84.9Bright
94.9Bright
104.9Bright
114.9Bright
124.8Bright
134.8Bright
144.8Bright
154.8Bright
164.8Bright
174.8Bright
184.8Bright
194.8Bright
204.9Bright
214.9Bright
224.9Bright
234.9Bright
244.9Bright
255.0Bright
265.0Bright
275.0Bright
285.0Bright
295.0Bright
305.1Bright
315.1Bright
Planning a trip in January

Hazard calendar for Arta

In seasonPeak

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

Arta sees seasonal dust haze (June–September), heaviest in July.

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

Is January a good time to visit Arta?

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

7.4
Sightseeing
2nd-best month of the year
7.5
Beach & pool
5th-best month of the year

January is one of the better times to visit Arta for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Arta in January

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

In January, Arta sees daytime highs around 27°C and nights near 19°C. Pack light clothes. Worth having: sun protection. About 6 days see rain.

light clothessun protection

Sea temperature near Arta in January

The nearest coast averages about 27°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 June at about 31°C and coldest in February near 26°C.

The water stays above 20°C all year — warm enough for a swim any month.

24°26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb26Warm
Mar27Warm
Apr29Tropical
May31Tropical
Jun31Tropical
Jul30Tropical
Aug30Tropical
Sep31Tropical
Oct31Tropical
Nov29Tropical
Dec28Warm

UV index in Arta in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Arta peaks around March 22 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 12 at about 9 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeVery highMar 22UV 14Dec 12UV 9
UV index (midday)Level
Jan11Extreme
Feb12Extreme
Mar14Extreme
Apr14Extreme
May12Extreme
Jun11Extreme
Jul9Very high
Aug11Extreme
Sep11Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in Arta 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 Arta is worst in July — around 42 µg/m³ PM2.5 (poor), about 2.1× the cleanest month (November, 20 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateJul 1741 µg/m³Nov 1520 µg/m³
PM2.5 (µg/m³)Level
Jan25Moderate
Feb26Moderate
Mar26Moderate
Apr22Moderate
May25Moderate
Jun36Poor
Jul42Poor
Aug37Poor
Sep29Moderate
Oct21Moderate
Nov20Moderate
Dec21Moderate
Location & terrain

Where is Arta?

Arta sits at 11.5°N, 42.9°E, 684 m above sea level, in Djibouti. The nearest listed city is Balbala, 28 km away.

BalbalaTadjouraDjiboutiAli SabihObockSaylacDikhil

Topography around Arta

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

Within 3 km, the terrain around Arta has significant variations in elevation — a maximum elevation change of 529 m around an average of 494 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 849 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,924 m.

The land around Arta is covered by bare terrain (92%) within 3 km, bare terrain (71%) and water (27%) within 16 km, and bare terrain (73%) and water (20%) within 80 km.

3 km
529 m
16 km
849 m
80 km
1,924 m
shrubsgrasslandartificial surfacesbare terrainwater
January weather nearby: Balbala 28 km · Tadjoura 29 km · Djibouti 33 km · Ali Sabih 44 km · Obock 68 km · Saylac 70 km · Dikhil 70 km · Asaita 154 km

Djibouti travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / E
220 V · 50 Hz
Prices
≈ 46% of US
price level, 2025
GDP per capita
$3,906
2025
Happiness
4.4 / 10
World Happiness, 2014
Road deaths
23.5
per 100k/yr, 2019
Income group
Lower middle
World Bank
Religion
Sunni Muslim 94%other 6%

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 Arta (11.5264°, 42.8519°, elevation 684 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).