Arerti weather in December

In December, Arerti sees average daytime highs of 35°C and overnight lows near 24°C, with 1 mm of rain across 0.3 wet days and about 11.2 hours of daylight. It is the 11th-warmest and 12th-wettest month of the year here.

Highs ease over the month, from about 35°C in the first days to 34°C by the end. The sky is clear or mostly clear about 83% of the time in December, and the air most often feels dry.

Daylight stretches from about 11 h 12 min at the start of December to 11 h 12 min by month's end. Set against the rest of the year, December is Arerti's 2nd-clearest and 4th-windiest month. For the whole year in context, see Arerti's year-round climate.

Daytime high
35°
11th warmest
Overnight low
24°
3rd coldest
Rainfall
1 mm
0.3 wet days
Daylight
11 h 12 min
6:38 AM – 5:49 PM
Cloud cover
17%
2nd clearest
Wind
13 km/h
4th windiest
Solar energy
5.27 kWh/m²
Travel score
3.7
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 35°C in the first days to 34°C by the end.

A typical December day in Arerti reaches about 35°C in the afternoon and slips back to 24°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 32°C and 36°C. Set against its neighbours, December runs about 2°C cooler than November and about 1°C warmer than January.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13625
23524
33524
43524
53524
63524
73524
83524
93524
103524
113524
123524
133524
143524
153524
163423
173423
183423
193423
203423
213423
223423
233423
243423
253423
263423
273423
283423
293423
303423
313423

How December really feels in Arerti

Once humidity and wind are folded in, December averages 31 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
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in December is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Arerti weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan33° / 23°30.711.34.3
Feb35° / 24°30.611.53.3
Mar37° / 25°71.311.91.8
Apr40° / 28°122.412.30.3
May42° / 28°81.712.60.0
Jun43° / 29°10.612.80.0
Jul42° / 30°103.212.70.0
Aug41° / 30°195.912.50.0
Sep41° / 29°72.812.10.0
Oct39° / 27°91.811.70.7
Nov37° / 25°40.711.42.2
Dec35° / 24°10.311.23.7

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 83% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 9% of December, with mostly cloudy or overcast conditions the remaining 8%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1937
2937
3937
4928
5928
6928
7937
8937
9937
10937
11937
12937
13937
14937
15937
16937
17937
18937
19937
20937
21937
22937
23937
24928
25919
26919
27919
28919
299010
308911
318911

Chance of precipitation in December

Any precipitation

Arerti gets around 1 mm of rain over 0.3 wet days in December, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 1% and peaks near 2% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
12
22
31
41
51
61
71
81
91
101
111
121
131
141
151
161
171
181
191
201
211
221
231
241
251
261
271
281
291
301
311

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 31% of days. Sticky, muggy-or-worse air turns up on roughly 23% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1322419186
2322419186
3322419186
4322419186
5322419196
6322419195
7322420195
8322420195
9312420205
10312420205
11302521204
12302521204
13292522204
14292522204
15292522203
16302523203
17302423203
18302423203
19302423202
20312423202
21312423202
22312423202
23322423202
24322323202
25322323201
26332323201
27332322201
28332222211
29332222211
30332223221
31322223221

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 14 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
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 h 12 min at the start of December to 11 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over December. Sunrise moves from 6:30 AM to 6:45 AM, and sunset from 5:44 PM to 5:56 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.26:305:44
211.26:315:44
311.26:315:45
411.26:325:45
511.26:325:45
611.26:335:45
711.26:335:46
811.26:345:46
911.26:345:46
1011.26:355:47
1111.26:355:47
1211.26:365:47
1311.26:375:48
1411.26:375:48
1511.26:385:49
1611.26:385:49
1711.26:395:49
1811.26:395:50
1911.26:405:50
2011.26:405:51
2111.26:415:51
2211.26:415:52
2311.26:425:52
2411.26:425:53
2511.26:425:53
2611.26:435:54
2711.26:435:54
2811.26:445:55
2911.26:445:55
3011.26:455:56
3111.26:455:56

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.27 kWh/m².

For context, solar energy here swings from a low near 4.97 kWh/m² to a high of 6.92 kWh/m² in May across the year — December's 5.27 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.4Bright
45.4Bright
55.4Bright
65.3Bright
75.3Bright
85.3Bright
95.3Bright
105.3Bright
115.3Bright
125.3Bright
135.3Bright
145.3Bright
155.3Bright
165.2Bright
175.2Bright
185.2Bright
195.2Bright
205.2Bright
215.2Bright
225.2Bright
235.2Bright
245.2Bright
255.2Bright
265.2Bright
275.2Bright
285.2Bright
295.2Bright
305.1Bright
315.1Bright
Planning a trip in December

Hazard calendar for Arerti

In seasonPeak

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

Arerti 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 Arerti?

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

3.7
Sightseeing
2nd-best month of the year
7.5
Beach & pool
2nd-best month of the year

December is a weaker month for outdoor sightseeing in Arerti. The water and warmth also suit a beach or pool day.

What to pack for Arerti in December

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

In December, Arerti sees daytime highs around 35°C and nights near 24°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Arerti in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Arerti peaks around March 20 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 14 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeVery highMar 20UV 13Dec 14UV 8
UV index (midday)Level
Jan10Very high
Feb11Extreme
Mar13Extreme
Apr12Extreme
May11Extreme
Jun9Very high
Jul8Very high
Aug10Very high
Sep11Extreme
Oct10Very high
Nov9Very high
Dec8Very high

Air quality in Arerti 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 Arerti is worst in August — around 37 µg/m³ PM2.5 (poor), about 2.2× the cleanest month (October, 17 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateAug 1036 µg/m³Oct 2217 µg/m³
PM2.5 (µg/m³)Level
Jan24Moderate
Feb27Moderate
Mar30Moderate
Apr24Moderate
May24Moderate
Jun32Moderate
Jul36Poor
Aug37Poor
Sep25Moderate
Oct17Moderate
Nov18Moderate
Dec20Moderate
Location & terrain

Where is Arerti?

Arerti sits at 13.9°N, 40.7°E, -111 m above sea level, in Ethiopia. The nearest listed city is Wik’ro, 116 km away.

Wik’roIdaga HamusDoloĀdīgratMekeleIntich’oMehoniMaych’ew

Topography around Arerti

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

Within 3 km, the terrain around Arerti has only modest variations in elevation — a maximum elevation change of 39 m around an average of -111 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 265 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,617 m.

The land around Arerti is covered by bare terrain (99%) within 3 km, bare terrain (99%) within 16 km, and bare terrain (97%) within 80 km.

3 km
39 m
16 km
265 m
80 km
1,617 m
shrubsgrasslandbare terrainwater
December weather nearby: Wik’ro 116 km · Idaga Hamus 122 km · Dolo 122 km · Ādīgrat 135 km · Mekele 138 km · Intich’o 168 km · Mehoni 169 km · Maych’ew 178 km

Ethiopia travel facts

Travel advisory
Level 3
Reconsider Travel
Power plugs
Type C / E / F / L
220 V · 50 Hz
Prices
≈ 37% of US
price level, 2025
GDP per capita
$933
2025
Happiness
4.0 / 10
World Happiness, 2025
Safe drinking water
14%
of population, 2024
Homicide rate
8.5
per 100k, 2012
Road deaths
28.2
per 100k/yr, 2019
Income group
Low
World Bank
English
Low
EF EPI 499
Religion
Ethiopian Orthodox 44%Muslim 31%Protestant 23%other 1%

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 Arerti (13.95°, 40.6667°, elevation -111 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).