Deder weather in January

In January, Deder sees average daytime highs of 23°C and overnight lows near 12°C, with 18 mm of rain across 3.8 wet days and about 11.5 hours of daylight. It is the 6th-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 23°C through the month. The sky is clear or mostly clear about 50% of the time in January, and the air most often feels dry.

Daylight stretches from about 11 h 30 min at the start of January to 11 h 36 min by month's end. Set against the rest of the year, January is Deder's 2nd-clearest and 7th-windiest month. For the whole year in context, see Deder's year-round climate.

Daytime high
23°
6th warmest
Overnight low
12°
3rd coldest
Rainfall
18 mm
3.8 wet days
Daylight
11 h 30 min
6:38 AM – 6:09 PM
Cloud cover
39%
2nd clearest
Wind
5 km/h
7th windiest
Solar energy
5.78 kWh/m²
Travel score
8.3
out of 10

Deder is town in Oromia, Ethiopia.

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 23°C through the month.

A typical January day in Deder reaches about 23°C in the afternoon and slips back to 12°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 25°C. Set against its neighbours, January runs on par with December and about 2°C cooler than February.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12312
22312
32312
42312
52312
62312
72312
82312
92312
102312
112312
122312
132312
142312
152312
162312
172312
182312
192412
202412
212413
222413
232413
242413
252413
262413
272413
282413
292413
302413
312413

Deder weather by month

How January compares with the rest of the year at a glance. January is the 6th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan23° / 12°183.811.58.3
Feb25° / 14°254.111.78.0
Mar25° / 15°9010.411.96.9
Apr24° / 15°18518.412.25.6
May24° / 15°25022.912.45.0
Jun24° / 15°751512.56.1
Jul23° / 14°941912.55.5
Aug22° / 14°1062012.35.3
Sep23° / 15°8916.412.15.9
Oct23° / 13°1001311.86.6
Nov23° / 12°405.111.67.9
Dec23° / 12°172.911.58.3

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 50% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 21% of January, with mostly cloudy or overcast conditions the remaining 28%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17426
27525
37525
47426
57426
67327
77327
87228
97228
107129
117129
127030
137030
146931
156931
166931
176931
186931
196931
206931
217030
227030
237129
247129
257228
267228
277327
287327
297426
307426
317426

Chance of precipitation in January

Any precipitation

Deder gets around 18 mm of rain over 3.8 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 12% and peaks near 14% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
19
29
39
49
59
69
710
810
910
1011
1111
1211
1312
1412
1512
1613
1713
1813
1913
2014
2114
2214
2314
2414
2513
2613
2713
2813
2913
3012
3112

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 95% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1964
2964
3964
4964
5964
6964
7964
8955
9955
10955
11955
12955
13955
14946
15946
16946
17946
18946
19946
20946
21946
22946
23946
24955
25955
26955
27955
28955
29964
30964
31964

Wind in January

Winds average 5 km/h in January.

Across January, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 11 h 30 min at the start of January to 11 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over January. Sunrise moves from 6:33 AM to 6:40 AM, and sunset from 6:01 PM to 6:15 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.56:336:01
211.56:346:02
311.56:346:02
411.56:356:03
511.56:356:03
611.56:356:04
711.56:366:04
811.56:366:05
911.56:366:05
1011.56:376:06
1111.56:376:06
1211.56:376:07
1311.56:376:07
1411.56:386:08
1511.56:386:08
1611.56:386:09
1711.56:386:09
1811.56:396:10
1911.56:396:10
2011.56:396:11
2111.56:396:11
2211.56:396:12
2311.56:396:12
2411.56:396:12
2511.66:406:13
2611.66:406:13
2711.66:406:14
2811.66:406:14
2911.66:406:15
3011.66:406:15
3111.66:406:15

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.78 kWh/m².

For context, solar energy here swings from a low near 5.21 kWh/m² to a high of 6.23 kWh/m² in February across the year — January's 5.78 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.7Bright
45.7Bright
55.7Bright
65.7Bright
75.7Bright
85.7Bright
95.7Bright
105.7Bright
115.7Bright
125.7Bright
135.7Bright
145.7Bright
155.7Bright
165.7Bright
175.7Bright
185.8Bright
195.8Bright
205.8Bright
215.8Bright
225.8Bright
235.8Bright
245.9Bright
255.9Bright
265.9Bright
275.9Bright
286.0Bright
296.0Bright
306.0Intense
316.0Intense
Planning a trip in January

Hazard calendar for Deder

In seasonPeak

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

Deder's rainy season runs April–May, when most of the year's rain falls.

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

Is January a good time to visit Deder?

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

8.3
Sightseeing
1st-best month of the year
6.7
Beach & pool
2nd-best month of the year

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

What to pack for Deder in January

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

In January, Deder sees daytime highs around 23°C and nights near 12°C. Worth packing: light clothes and sun protection. About 4 days see rain.

light clothessun protection

UV index in Deder in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Deder peaks around March 18 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 23 at about 11 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 18UV 16Nov 23UV 11
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar16Extreme
Apr15Extreme
May13Extreme
Jun12Extreme
Jul11Extreme
Aug14Extreme
Sep13Extreme
Oct13Extreme
Nov11Extreme
Dec11Extreme

Air quality in Deder 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 Deder is worst in November — around 28 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateNov 2128 µg/m³Aug 1819 µg/m³
PM2.5 (µg/m³)Level
Jan27Moderate
Feb27Moderate
Mar26Moderate
Apr22Moderate
May21Moderate
Jun24Moderate
Jul23Moderate
Aug19Moderate
Sep21Moderate
Oct27Moderate
Nov28Moderate
Dec28Moderate
Location & terrain

Where is Deder?

Deder sits at 9.3°N, 41.4°E, 2,330 m above sea level, in Ethiopia. The nearest listed city is Chelenko, 16 km away.

Topography around Deder

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

Within 3 km, the terrain around Deder has large variations in elevation — a maximum elevation change of 794 m around an average of 2,304 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,641 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,673 m.

The land around Deder is covered by cropland (48%) and shrubs (38%) within 3 km, shrubs (54%) and cropland (41%) within 16 km, and shrubs (57%) and grassland (20%) within 80 km.

3 km
794 m
16 km
1,641 m
80 km
2,673 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
January weather nearby: Chelenko 16 km · Hīrna 39 km · Dire Dawa 56 km · ‘Alemaya 63 km · Āsbe Teferī 68 km · Harar 74 km · Mī’ēso 76 km · Felana 83 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 Deder (9.3117°, 41.443°, elevation 2,330 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).