Uliastay in Winter
In winter (December, January and February), Uliastay sees average daytime highs around -14°C and overnight lows near -27°C, with 9 mm of precipitation over about 3 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 -12°C in early December to -9°C by late February. The sky is clear or mostly clear about 53% of the time across winter, and the air most often feels dry.
Winter is Uliastay's weakest season of the year to visit on our travel score. For the whole year in context, see Uliastay's year-round climate.
- Avg daytime high
- -14°C
- coldest season of the year
- Avg overnight low
- -27°C
- Precipitation
- 9 mm
- 3 wet days
- Avg wind
- 6 km/h
- Travel score
- 0.0
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in Uliastay in Winter
Over the season highs climb from about -12°C in early December to -9°C by late February.
A typical winter day in Uliastay reaches about -14°C and drops to -27°C overnight. The warmest of the three months is February, the coolest January.
How winter really feels in Uliastay
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.
The story in winter is cold — wind chill drags the overnight "feels like" below the raw low.
Uliastay 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.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | -16° / -29° | 2 | 0.7 | 1.2 | 8.7 | 0.0 |
| Feb | -11° / -27° | 4 | 1.3 | 2 | 9.9 | 0.0 |
| Mar | -3° / -18° | 10 | 3.2 | 3.8 | 11.6 | 0.0 |
| Apr | 6° / -6° | 19 | 5.3 | 4.5 | 13.4 | 0.9 |
| May | 13° / 1° | 28 | 6.7 | 2.7 | 14.9 | 4.1 |
| Jun | 19° / 7° | 41 | 8 | 0.5 | 15.7 | 6.3 |
| Jul | 21° / 10° | 64 | 10.6 | 0 | 15.4 | 6.4 |
| Aug | 19° / 7° | 49 | 8.4 | 0.3 | 14.1 | 6.4 |
| Sep | 13° / 0° | 23 | 5.2 | 1.8 | 12.4 | 4.2 |
| Oct | 4° / -8° | 13 | 4.1 | 3.8 | 10.6 | 0.4 |
| Nov | -7° / -18° | 8 | 2.8 | 3.3 | 9.1 | 0.0 |
| Dec | -14° / -26° | 3 | 1.2 | 1.9 | 8.3 | 0.0 |
Cloud cover in Winter
The sky is clear or mostly clear about 53% of the time across winter.
Chance of precipitation in Winter
Uliastay gets around 9 mm of rain and snow over 3 wet days across winter. The line is the day-by-day chance of measurable precipitation.
Humidity in Winter
Most of winter feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Winter
Winds average 6 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 8 h 30 min in early December to 10 h 36 min by late February. The lit band spans sunrise to sunset each day.
Solar energy in Winter
Average shortwave solar energy reaching the ground each day across winter, about 2.2 kWh/m².
Is winter a good time to visit Uliastay?
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.
winter is a weaker month for outdoor sightseeing in Uliastay.
What to pack for Uliastay in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Uliastay sees daytime highs around -14°C and nights near -27°C. Pack a warm layer and a heavy coat.
UV index in Uliastay in Winter
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 Uliastay peaks around July 16 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 10 at about 1 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 1 | 2 | 3 | 7 | 9 | 8 | 9 | 7 | 5 | 3 | 1 | 1 |
| Level | Low | Moderate | Moderate | High | Very high | Very high | Very high | Very high | Moderate | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 2 | Moderate |
| Mar | 3 | Moderate |
| Apr | 7 | High |
| May | 9 | Very high |
| Jun | 8 | Very high |
| Jul | 9 | Very high |
| Aug | 7 | Very high |
| Sep | 5 | Moderate |
| Oct | 3 | Moderate |
| Nov | 1 | Low |
| Dec | 1 | Low |
Where is Uliastay?
Uliastay sits at 47.7°N, 96.8°E, 1,755 m above sea level, in Mongolia. The nearest listed city is Altai, 159 km away.
Topography around Uliastay
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Uliastay.
Within 3 km, the terrain around Uliastay has significant variations in elevation — a maximum elevation change of 399 m around an average of 1,798 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,247 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,539 m.
The land around Uliastay is covered by grassland (85%) within 3 km, grassland (87%) within 16 km, and grassland (78%) within 80 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
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 Uliastay (47.7417°, 96.8444°, elevation 1,755 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.