Öndörkhaan weather in January

In January, Öndörkhaan sees average daytime highs of -16°C and overnight lows near -27°C, with 1 mm of precipitation across 0.4 wet days and about 8.7 hours of daylight. It is the 12th-warmest and 12th-wettest month of the year here.

Highs climb over the month, from about -16°C in the first days to -14°C by the end. The sky is clear or mostly clear about 63% of the time in January, and the air most often feels dry.

Daylight stretches from about 8 h 18 min at the start of January to 9 h 12 min by month's end. Set against the rest of the year, January is Öndörkhaan's 1st-clearest and 12th-windiest month. For the whole year in context, see Öndörkhaan's year-round climate.

Daytime high
-16°
12th warmest
Overnight low
-27°
1st coldest
Precipitation
1 mm
0.4 wet days
Daylight
8 h 42 min
8:27 AM – 5:07 PM
Cloud cover
34%
1st clearest
Wind
11 km/h
12th windiest
Solar energy
1.98 kWh/m²
Travel score
0.0
out of 10

Öndörkhaan is capital of Khentii aimag and Kerlen Sum in Mongolia.

Density
6/km²
people per km²

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

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about -16°C in the first days to -14°C by the end.

A typical January day in Öndörkhaan reaches about -16°C in the afternoon and slips back to -27°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between -22°C and -9°C. Set against its neighbours, January runs about 2°C cooler than December and about 6°C cooler than February.

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

How January really feels in Öndörkhaan

Once humidity and wind are folded in, January 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 January is cold — wind chill drags the overnight "feels like" below the raw low.

Öndörkhaan weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-16° / -27°10.40.88.70.0
Feb-10° / -23°30.91.29.90.0
Mar / -13°61.9211.60.0
Apr10° / -3°112.9213.32.8
May18° / 244.80.914.86.5
Jun24° / 11°447.7015.77.1
Jul26° / 14°559.9015.36.7
Aug24° / 12°538.3014.17.2
Sep18° / 265.90.612.46.3
Oct / -4°133210.61.8
Nov-5° / -16°51.829.10.0
Dec-14° / -24°20.81.18.30.0

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 63% of the time in January, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 13% of January, with mostly cloudy or overcast conditions the remaining 24%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17525
27525
37624
47624
57723
67822
77822
87822
97723
107723
117723
127624
137624
147525
157525
167525
177525
187426
197426
207426
217426
227426
237525
247525
257624
267624
277624
287624
297624
307624
317624

Chance of precipitation in January

Any precipitationSnow

Öndörkhaan gets around 1 mm of rain and snow over 0.4 wet days in January, the driest month. The line is the day-by-day chance of measurable precipitation.

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

0%10%20%30%151015202531
Rain chance (%)Snow chance (%)
135
235
334
424
524
623
723
823
923
1012
1112
1212
1312
1412
1512
1612
1712
1812
1912
2012
2112
2212
2312
2412
2512
2612
2712
2812
2912
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 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 January

Winds average 11 km/h in January, the calmest month.

Across January, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 8 h 18 min at the start of January to 9 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 54 minutes over January. Sunrise moves from 8:31 AM to 8:14 AM, and sunset from 4:50 PM to 5:28 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
18.38:314:50
28.38:314:51
38.48:314:52
48.48:314:53
58.48:314:54
68.48:304:55
78.48:304:56
88.58:304:57
98.58:304:58
108.58:294:59
118.58:295:00
128.58:295:02
138.68:285:03
148.68:285:04
158.68:275:05
168.78:275:07
178.78:265:08
188.78:255:09
198.88:255:11
208.88:245:12
218.88:235:13
228.98:235:15
238.98:225:16
248.98:215:17
259.08:205:19
269.08:195:20
279.18:185:22
289.18:175:23
299.18:165:25
309.28:155:26
319.28:145:28

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 1.98 kWh/m².

For context, solar energy here swings from a low near 1.58 kWh/m² to a high of 6.51 kWh/m² in June across the year — January's 1.98 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
11.6Dim
21.7Dim
31.7Dim
41.7Dim
51.7Dim
61.7Dim
71.8Dim
81.8Dim
91.8Dim
101.8Dim
111.9Dim
121.9Dim
131.9Dim
141.9Dim
151.9Dim
162.0Dim
172.0Moderate
182.0Moderate
192.1Moderate
202.1Moderate
212.1Moderate
222.1Moderate
232.2Moderate
242.2Moderate
252.3Moderate
262.3Moderate
272.3Moderate
282.4Moderate
292.4Moderate
302.4Moderate
312.5Moderate
Planning a trip in January

Is January a good time to visit Öndörkhaan?

Our two travel scores rate January 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

January is a weaker month for outdoor sightseeing in Öndörkhaan.

What to pack for Öndörkhaan in January

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

In January, Öndörkhaan sees daytime highs around -16°C and nights near -27°C. Pack a warm layer and a heavy coat.

a warm layera heavy coat

UV index in Öndörkhaan in January

LowModerateHighVery highExtreme

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

Under clear skies, the midday UV index in Öndörkhaan peaks around July 18 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 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 18UV 9Dec 20UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr6High
May7Very high
Jun7High
Jul9Very high
Aug8Very high
Sep5High
Oct3Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Öndörkhaan?

Öndörkhaan sits at 47.3°N, 110.7°E, 1,030 m above sea level, in Mongolia. The nearest listed city is Baruun-Urt, 211 km away.

Baruun-UrtNalayhSaynshandDzuunmodZuunmodUlaanbaatarChoibalsanDzüünharaa

Topography around Öndörkhaan

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

Within 3 km, the terrain around Öndörkhaan has only modest variations in elevation — a maximum elevation change of 21 m around an average of 1,031 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 242 m; within 80 km, large variations in elevation — a maximum elevation change of 719 m.

The land around Öndörkhaan is covered by grassland (79%) within 3 km, grassland (98%) within 16 km, and grassland (99%) within 80 km.

3 km
21 m
16 km
242 m
80 km
719 m
grasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Baruun-Urt 211 km · Nalayh 258 km · Saynshand 274 km · Dzuunmod 281 km · Zuunmod 281 km · Ulaanbaatar 290 km · Choibalsan 302 km · Dzüünharaa 355 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 Öndörkhaan (47.3194°, 110.6556°, elevation 1,030 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).