Baruun-Urt weather in December

In December, Baruun-Urt sees average daytime highs of -13°C and overnight lows near -22°C, with 3 mm of precipitation across 0.9 wet days and about 8.4 hours of daylight. It is the 11th-warmest and 11th-wettest month of the year here.

Highs ease over the month, from about -11°C in the first days to -15°C by the end. The sky is clear or mostly clear about 60% of the time in December, and the air most often feels dry.

Daylight stretches from about 8 h 36 min at the start of December to 8 h 24 min by month's end. Set against the rest of the year, December is Baruun-Urt's 2nd-clearest and 7th-windiest month. For the whole year in context, see Baruun-Urt's year-round climate.

Daytime high
-13°
11th warmest
Overnight low
-22°
2nd coldest
Precipitation
3 mm
0.9 wet days
Daylight
8 h 24 min
8:12 AM – 4:34 PM
Cloud cover
37%
2nd clearest
Wind
14 km/h
7th windiest
Solar energy
1.63 kWh/m²
Travel score
0.0
out of 10

Baruun-Urt is Capital city of Sükhbaatar Aimag, Mongolia.

Density
308/km²
people per km²
Founded
1942

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about -11°C in the first days to -15°C by the end.

A typical December day in Baruun-Urt reaches about -13°C in the afternoon and slips back to -22°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between -19°C and -7°C. Set against its neighbours, December runs about 9°C cooler than November and about 2°C warmer than January.

-30°-20°-10°151015202531
Avg high (°C)Avg low (°C)
1-10-20
2-11-20
3-11-20
4-11-20
5-12-21
6-12-21
7-12-21
8-12-21
9-12-21
10-13-21
11-13-22
12-13-22
13-13-22
14-13-22
15-13-22
16-13-22
17-13-22
18-14-22
19-14-22
20-14-22
21-14-23
22-14-23
23-14-23
24-14-23
25-15-23
26-15-23
27-15-23
28-15-24
29-15-24
30-15-24
31-15-24

How December really feels in Baruun-Urt

Once humidity and wind are folded in, December averages 0 days that feel above 32°C and 31 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
31
31 feel bitter (≤ -10°C)

The story in December is cold — wind chill drags the overnight "feels like" below the raw low.

Baruun-Urt weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-15° / -25°10.40.68.80.0
Feb-10° / -22°31.11.3100.0
Mar / -12°51.71.911.60.0
Apr10° / -3°123.2213.32.8
May18° / 256114.86.3
Jun24° / 11°438015.67.1
Jul26° / 15°5910.4015.36.6
Aug24° / 13°457.80147.3
Sep18° / 285.50.412.46.4
Oct / -3°123.3210.61.9
Nov-4° / -14°51.52.19.20.0
Dec-13° / -22°30.91.38.40.0

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 13% of December, with mostly cloudy or overcast conditions the remaining 27%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17327
27327
37327
47426
57426
67426
77426
87426
97426
107426
117426
127426
137426
147327
157327
167327
177327
187327
197327
207327
217129
227129
237129
247129
257129
267228
277228
287228
297228
307228
317228

Chance of precipitation in December

Any precipitationSnow

Baruun-Urt gets around 3 mm of rain and snow over 0.9 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 3% and peaks near 3% on the wettest days, and about 1 day brings snow.

0%10%20%30%151015202531
Rain chance (%)Snow chance (%)
134
234
334
434
534
634
734
834
923
1023
1123
1223
1323
1423
1524
1624
1724
1824
1924
2024
2134
2234
2334
2434
2534
2634
2734
2834
2934
3034
3134

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 14 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
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light 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 8 h 36 min at the start of December to 8 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over December. Sunrise moves from 7:58 AM to 8:18 AM, and sunset from 4:36 PM to 4:42 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
18.67:584:36
28.67:594:35
38.68:004:35
48.68:014:35
58.58:024:34
68.58:034:34
78.58:044:34
88.58:054:34
98.58:064:34
108.48:074:34
118.48:084:34
128.48:094:34
138.48:104:34
148.48:104:34
158.48:114:34
168.48:124:34
178.48:134:35
188.48:134:35
198.48:144:35
208.48:144:36
218.48:154:36
228.48:154:36
238.48:164:37
248.48:164:37
258.48:174:38
268.48:174:39
278.48:174:39
288.48:174:40
298.48:184:41
308.48:184:41
318.48:184:42

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 1.63 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 1.63 kWh/m² to a high of 6.38 kWh/m² in May across the year — December's 1.63 kWh/m² sits near the bottom.

00.511.522.5151015202531
Solar energy (kWh/m²)Level
11.8Dim
21.7Dim
31.7Dim
41.7Dim
51.7Dim
61.7Dim
71.7Dim
81.7Dim
91.7Dim
101.6Dim
111.6Dim
121.6Dim
131.6Dim
141.6Dim
151.6Dim
161.6Dim
171.6Dim
181.6Dim
191.6Dim
201.6Dim
211.6Dim
221.6Dim
231.6Dim
241.6Dim
251.6Dim
261.6Dim
271.6Dim
281.6Dim
291.7Dim
301.7Dim
311.7Dim
Planning a trip in December

Is December a good time to visit Baruun-Urt?

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

0.0
Sightseeing
8th-best month of the year
0.0
Beach & pool
8th-best month of the year

December is a weaker month for outdoor sightseeing in Baruun-Urt.

What to pack for Baruun-Urt in December

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

In December, Baruun-Urt sees daytime highs around -13°C and nights near -22°C. Pack a warm layer and a heavy coat.

a warm layera heavy coat

UV index in Baruun-Urt in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 1. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Baruun-Urt peaks around July 23 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 21 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 6 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 23UV 8Dec 21UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr5High
May7High
Jun7High
Jul8Very high
Aug8Very high
Sep6High
Oct3Moderate
Nov1Low
Dec1Low

Air quality in Baruun-Urt 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 Baruun-Urt is worst in April — around 17 µg/m³ PM2.5 (moderate), about 3.3× the cleanest month (December, 5 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodModerateGoodApr 2016 µg/m³Dec 225 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb8Good
Mar12Moderate
Apr17Moderate
May16Moderate
Jun16Moderate
Jul14Moderate
Aug10Good
Sep7Good
Oct13Moderate
Nov14Moderate
Dec5Good
Location & terrain

Where is Baruun-Urt?

Baruun-Urt sits at 46.7°N, 113.3°E, 991 m above sea level, in Mongolia. The nearest listed city is Choibalsan, 181 km away.

ChoibalsanÖndörkhaanSaynshandNalayhBorzyaDzuunmodZuunmodAginskoye

Topography around Baruun-Urt

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

Within 3 km, the terrain around Baruun-Urt has only modest variations in elevation — a maximum elevation change of 104 m around an average of 995 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 257 m; within 80 km, significant variations in elevation — a maximum elevation change of 554 m.

The land around Baruun-Urt is covered by grassland (83%) within 3 km, grassland (98%) within 16 km, and grassland (99%) within 80 km.

3 km
104 m
16 km
257 m
80 km
554 m
grasslandartificial surfacesbare terrain
December weather nearby: Choibalsan 181 km · Öndörkhaan 211 km · Saynshand 316 km · Nalayh 468 km · Borzya 477 km · Dzuunmod 491 km · Zuunmod 491 km · Aginskoye 501 km

Mongolia travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / E / F
220 V · 50 Hz
Prices
≈ 34% of US
price level, 2025
GDP per capita
$7,108
2025
Happiness
5.9 / 10
World Happiness, 2025
Safe drinking water
43%
of population, 2024
Homicide rate
5.9
per 100k, 2023
Road deaths
21
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Very low
EF EPI 447
Religion
Buddhist 52%no religion 41%Muslim 3%Shaman 3%

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 Baruun-Urt (46.6806°, 113.2792°, elevation 991 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).