Bayanhongor in Winter

In winter (December, January and February), Bayanhongor sees average daytime highs around -11°C and overnight lows near -23°C, with 5 mm of precipitation over about 2 wet days across the season. It is the coldest season of the year and the driest season of the year.

Over the season highs climb from about -9°C in early December to -6°C by late February. The sky is clear or mostly clear about 68% of the time across winter, and the air most often feels dry.

Winter is Bayanhongor's weakest season of the year to visit on our travel score. For the whole year in context, see Bayanhongor's year-round climate.

Avg daytime high
-11°C
coldest season of the year
Avg overnight low
-23°C
Precipitation
5 mm
2 wet days
Avg wind
7 km/h
Travel score
0.0
weakest season of the year
Months
Dec · Jan · Feb

Temperature in Bayanhongor in Winter

Average highAverage lowShaded bands: 10–90% of days

Over the season highs climb from about -9°C in early December to -6°C by late February.

A typical winter day in Bayanhongor reaches about -11°C and drops to -23°C overnight. The warmest of the three months is February, the coolest January.

-30°-20°-10°DecJanFeb

How winter really feels in Bayanhongor

Once humidity and wind are folded in, winter brings about 0 days that feel above 32°C and 90 that feel at or below 0°C.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
90
90 feel bitter (≤ -10°C)

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

Bayanhongor weather by month

How the three winter months (December, January and February) compare with the rest of the year — the season's months are highlighted.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-13° / -25°10.40.88.80.0
Feb-9° / -22°311.4100.0
Mar-1° / -14°71.82.511.60.0
Apr / -5°143.52.813.31.4
May14° / 245.22.114.74.7
Jun20° / 398.20.315.56.4
Jul21° / 10°6210.8015.26.4
Aug20° / 447.90146.7
Sep14° / 2041.112.34.8
Oct / -7°92.22.110.70.8
Nov-4° / -16°30.91.59.20.0
Dec-11° / -22°20.60.98.50.0

Cloud cover in Winter

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 68% of the time across winter.

0%25%50%75%100%DecJanFeb

Chance of precipitation in Winter

Any precipitationSnow

Bayanhongor gets around 5 mm of rain and snow over 2 wet days across winter. The line is the day-by-day chance of measurable precipitation.

0%10%20%30%DecJanFeb

Humidity in Winter

DryComfortableHumidMuggyOppressiveMiserable

Most of winter feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

0%25%50%75%100%DecJanFeb

Wind in Winter

Winds average 7 km/h across winter.

051015DecJanFeb

Sunrise & sunset in Winter

DaylightNight

Daylight runs from about 8 h 42 min in early December to 10 h 42 min by late February. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMDecJanFeb

Solar energy in Winter

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across winter, about 2.4 kWh/m².

012345DecJanFeb
Planning a trip in winter

Is winter a good time to visit Bayanhongor?

Our two travel scores rate winter for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.

0.0
Sightseeing
4th-best month of the year
0.0
Beach & pool
4th-best month of the year

winter is a weaker month for outdoor sightseeing in Bayanhongor.

What to pack for Bayanhongor in Winter

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

In winter, Bayanhongor sees daytime highs around -11°C and nights near -23°C. Pack a warm layer and a heavy coat.

a warm layera heavy coat

UV index in Bayanhongor in Winter

LowModerateHighVery highExtreme

Clear-sky midday UV across winter averages around 2. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Bayanhongor peaks around July 19 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 19UV 9Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar3Moderate
Apr6High
May7Very high
Jun7High
Jul9Very high
Aug8Very high
Sep6High
Oct3Moderate
Nov2Low
Dec1Low

Air quality in Bayanhongor in Winter

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where winter falls, not just the annual average.

Air quality in Bayanhongor is worst in June — around 18 µg/m³ PM2.5 (moderate), about 6.1× the cleanest month (December, 3 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJun 1218 µg/m³Dec 184 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb8Good
Mar14Moderate
Apr14Moderate
May18Moderate
Jun18Moderate
Jul16Moderate
Aug17Moderate
Sep12Good
Oct9Good
Nov8Good
Dec3Good
Location & terrain

Where is Bayanhongor?

Bayanhongor sits at 46.2°N, 100.7°E, 1,873 m above sea level, in Mongolia. The nearest listed city is Tsetserleg, 153 km away.

TsetserlegArvayheerBogdHovdUliastayAltaiBulganMörön

Topography around Bayanhongor

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

Within 3 km, the terrain around Bayanhongor has significant variations in elevation — a maximum elevation change of 277 m around an average of 1,905 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 742 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,165 m.

The land around Bayanhongor is covered by grassland (53%) and bare terrain (35%) within 3 km, grassland (83%) within 16 km, and grassland (76%) and bare terrain (23%) within 80 km.

3 km
277 m
16 km
742 m
80 km
2,165 m
treesshrubsgrasslandartificial surfacesbare terrain
Winter weather nearby: Tsetserleg 153 km · Arvayheer 158 km · Bogd 204 km · Hovd 214 km · Uliastay 341 km · Altai 343 km · Bulgan 360 km · Mörön 385 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 Bayanhongor (46.1944°, 100.7181°, elevation 1,873 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.