Arta weather in December

In December, Arta sees average daytime highs of 28°C and overnight lows near 19°C, with 12 mm of rain across 3.7 wet days and about 11.3 hours of daylight. It is the 11th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 60% of the time in December, and the air most often feels humid.

Daylight stretches from about 11 h 24 min at the start of December to 11 h 18 min by month's end. Set against the rest of the year, December is Arta's 6th-clearest and 5th-windiest month. For the whole year in context, see Arta's year-round climate.

Daytime high
28°
11th warmest
Overnight low
19°
2nd coldest
Rainfall
12 mm
3.7 wet days
Daylight
11 h 18 min
6:25 AM – 5:45 PM
Cloud cover
35%
6th clearest
Wind
13 km/h
5th windiest
Solar energy
5.03 kWh/m²
Travel score
7.7
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 December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical December day in Arta reaches about 28°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 26°C and 29°C. Set against its neighbours, December runs about 2°C cooler than November and on par with January.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12820
22820
32820
42820
52820
62820
72820
82820
92820
102819
112819
122819
132819
142819
152819
162819
172819
182819
192819
202719
212719
222719
232719
242719
252719
262719
272719
282719
292719
302719
312719

How December really feels in Arta

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.

Arta weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 9th-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 December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 60% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 18% of December, with mostly cloudy or overcast conditions the remaining 23%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17921
27921
37921
47822
57822
67822
77921
87921
97921
107921
118020
127921
137921
147921
157921
167921
177921
187822
197822
207822
217723
227723
237624
247624
257525
267525
277426
287426
297327
307327
317327

Chance of precipitation in December

Any precipitation

Arta gets around 12 mm of rain over 3.7 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 12% and peaks near 16% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
116
216
316
415
515
614
714
813
913
1013
1112
1212
1311
1411
1510
1610
1710
189
199
209
219
2210
2310
2411
2511
2611
2712
2812
2912
3012
3113

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the humid band about 47% of days. Sticky, muggy-or-worse air turns up on roughly 38% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
11837459
21837459
31938448
41939448
51940437
611040427
711041416
811042416
911143405
1011144395
1121144384
1221245384
1321246373
1421347363
1521348352
1621448342
1721449342
1821550331
1921550321
2021650311
2121651301
2221751291
2321751291
2421852280
2521852280
2621952270
2721953260
2822052260
2932052250
3032052250
3132053240

Wind in December

Winds average 13 km/h in December.

Across December, 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 December

DaylightNight

Daylight runs from about 11 h 24 min at the start of December to 11 h 18 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 6:17 AM to 6:32 AM, and sunset from 5:40 PM to 5:52 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.46:175:40
211.46:185:40
311.46:185:40
411.46:195:40
511.46:195:41
611.46:205:41
711.36:205:41
811.36:215:42
911.36:215:42
1011.36:225:42
1111.36:225:43
1211.36:235:43
1311.36:235:43
1411.36:245:44
1511.36:245:44
1611.36:255:45
1711.36:255:45
1811.36:265:45
1911.36:265:46
2011.36:275:46
2111.36:275:47
2211.36:285:47
2311.36:285:48
2411.36:295:48
2511.36:295:49
2611.36:305:49
2711.36:305:50
2811.36:315:50
2911.36:315:51
3011.36:315:51
3111.36:325:52

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.03 kWh/m².

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 — December's 5.03 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.1Bright
35.1Bright
45.1Bright
55.1Bright
65.1Bright
75.1Bright
85.1Bright
95.1Bright
105.1Bright
115.1Bright
125.1Bright
135.0Bright
145.0Bright
155.0Bright
165.0Bright
175.0Bright
185.0Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
285.0Bright
295.0Bright
305.0Bright
315.0Bright
Planning a trip in December

Hazard calendar for Arta

In seasonPeak

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

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

7.7
Sightseeing
1st-best month of the year
8.1
Beach & pool
3rd-best month of the year

December 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 December

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

In December, Arta sees daytime highs around 28°C and nights near 19°C. Pack light clothes. Worth having: sun protection. About 4 days see rain.

light clothessun protection

Sea temperature near Arta in December

The nearest coast averages about 28°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 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 December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 8 (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 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 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
December 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).