Mertule Maryam weather in December

In December, Mertule Maryam sees average daytime highs of 24°C and overnight lows near 12°C, with 13 mm of rain across 2.2 wet days and about 11.4 hours of daylight. It is the 7th-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 24°C through the month. The sky is clear or mostly clear about 70% of the time in December, and the air most often feels dry.

Daylight stretches from about 11 h 24 min at the start of December to 11 h 24 min by month's end. Set against the rest of the year, December is Mertule Maryam's 1st-clearest and 6th-windiest month. For the whole year in context, see Mertule Maryam's year-round climate.

Daytime high
24°
7th warmest
Overnight low
12°
1st coldest
Rainfall
13 mm
2.2 wet days
Daylight
11 h 24 min
6:42 AM – 6:04 PM
Cloud cover
29%
1st clearest
Wind
5 km/h
6th windiest
Solar energy
5.54 kWh/m²
Travel score
8.9
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 24°C through the month.

A typical December day in Mertule Maryam reaches about 24°C in the afternoon and slips back to 12°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 26°C. Set against its neighbours, December runs on par with November and on par with January.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12412
22412
32412
42412
52412
62412
72412
82412
92412
102412
112412
122412
132412
142412
152412
162412
172412
182412
192412
202412
212412
222412
232412
242412
252412
262412
272412
282412
292412
302412
312412

Mertule Maryam weather by month

How December compares with the rest of the year at a glance. December is the 7th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan25° / 12°274.211.48.2
Feb26° / 13°304.911.67.7
Mar27° / 14°67911.97.0
Apr27° / 15°47712.27.1
May27° / 15°365.312.57.4
Jun25° / 15°519.112.67.0
Jul22° / 14°23224.812.64.4
Aug21° / 13°23925.112.44.3
Sep22° / 13°6310.612.16.6
Oct24° / 14°142.411.88.6
Nov24° / 13°122.211.58.9
Dec24° / 12°132.211.48.9

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 70% of the time in December, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 15% of December, with mostly cloudy or overcast conditions the remaining 15%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18614
28614
38614
48614
58713
68713
78713
88713
98713
108614
118614
128614
138713
148713
158614
168614
178614
188614
198515
208515
218614
228515
238515
248416
258416
268317
278218
288218
298119
308119
318119

Chance of precipitation in December

Any precipitation

Mertule Maryam gets around 13 mm of rain over 2.2 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 7% and peaks near 11% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
14
24
34
44
54
64
74
85
95
105
115
125
135
146
156
166
176
187
197
208
218
229
239
2410
2510
2610
2711
2811
2911
3011
3111

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 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in December

Winds average 5 km/h in December.

Across December, 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 December

DaylightNight

Daylight runs from about 11 h 24 min at the start of December to 11 h 24 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 6:34 AM to 6:49 AM, and sunset from 5:59 PM to 6:11 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.46:345:59
211.46:355:59
311.46:356:00
411.46:366:00
511.46:366:00
611.46:376:00
711.46:376:01
811.46:386:01
911.46:386:01
1011.46:396:02
1111.46:396:02
1211.46:406:03
1311.46:416:03
1411.46:416:03
1511.46:426:04
1611.46:426:04
1711.46:436:05
1811.46:436:05
1911.46:446:05
2011.46:446:06
2111.46:446:06
2211.46:456:07
2311.46:456:07
2411.46:466:08
2511.46:466:08
2611.46:476:09
2711.46:476:09
2811.46:486:10
2911.46:486:10
3011.46:486:11
3111.46:496:11

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.54 kWh/m².

For context, solar energy here swings from a low near 4.37 kWh/m² to a high of 6.39 kWh/m² in April across the year — December's 5.54 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.6Bright
45.6Bright
55.6Bright
65.6Bright
75.6Bright
85.6Bright
95.6Bright
105.6Bright
115.5Bright
125.5Bright
135.5Bright
145.5Bright
155.5Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.5Bright
255.5Bright
265.5Bright
275.5Bright
285.5Bright
295.5Bright
305.5Bright
315.5Bright
Planning a trip in December

Hazard calendar for Mertule Maryam

In seasonPeak

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

Mertule Maryam's monsoon runs July–August, when most of the year's rain falls.

Mertule Maryam sees seasonal dust haze (June), heaviest in June.

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

Is December a good time to visit Mertule Maryam?

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

8.9
Sightseeing
1st-best month of the year
7.6
Beach & pool
2nd-best month of the year

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

What to pack for Mertule Maryam in December

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

In December, Mertule Maryam sees daytime highs around 24°C and nights near 12°C. Worth packing: light clothes and sun protection.

light clothessun protection

UV index in Mertule Maryam in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Mertule Maryam peaks around March 22 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 11 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 22UV 15Dec 11UV 10
UV index (midday)Level
Jan12Extreme
Feb13Extreme
Mar15Extreme
Apr15Extreme
May13Extreme
Jun13Extreme
Jul12Extreme
Aug14Extreme
Sep13Extreme
Oct13Extreme
Nov11Extreme
Dec10Extreme

Air quality in Mertule Maryam 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 Mertule Maryam is worst in January — around 45 µg/m³ PM2.5 (poor), and holds fairly steady the rest of the year.

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModeratePoorModeratePoorJan 1345 µg/m³Aug 1132 µg/m³
PM2.5 (µg/m³)Level
Jan45Poor
Feb40Poor
Mar36Poor
Apr34Moderate
May33Moderate
Jun40Poor
Jul33Moderate
Aug32Moderate
Sep40Poor
Oct42Poor
Nov40Poor
Dec43Poor
Location & terrain

Where is Mertule Maryam?

Mertule Maryam sits at 10.8°N, 38.3°E, 2,133 m above sea level, in Ethiopia. The nearest listed city is Bichena, 43 km away.

ĀdētNefas Mewch’a

Topography around Mertule Maryam

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

Within 3 km, the terrain around Mertule Maryam has large variations in elevation — a maximum elevation change of 876 m around an average of 2,210 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,045 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,038 m.

The land around Mertule Maryam is covered by cropland (55%) and shrubs (22%) within 3 km, cropland (64%) within 16 km, and cropland (58%) and grassland (21%) within 80 km.

3 km
876 m
16 km
2,045 m
80 km
3,038 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
December weather nearby: Bichena 43 km · Wegeda 44 km · Mot’a 52 km · Lumamē 74 km · Debre Mark’os 79 km · Dembech’a 91 km · Ādēt 98 km · Nefas Mewch’a 102 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 Mertule Maryam (10.8333°, 38.2667°, elevation 2,133 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).