Altai in Spring
In spring (March, April and May), Altai sees average daytime highs around 7°C and overnight lows near -4°C, with 50 mm of precipitation over about 15 wet days across the season. It is the 2nd-warmest season and the 2nd-wettest season.
Over the season highs climb from about -4°C in early March to 17°C by late May. The sky is clear or mostly clear about 40% of the time across spring, and the air most often feels dry.
Spring is Altai's 2nd-best season to visit on our travel score. For the whole year in context, see Altai's year-round climate.
- Avg daytime high
- 7°C
- 2nd-warmest season
- Avg overnight low
- -4°C
- Precipitation
- 50 mm
- 15 wet days
- Avg wind
- 11 km/h
- Travel score
- 2.0
- 2nd-best season
- Months
- Mar · Apr · May
Temperature in Altai in Spring
Over the season highs climb from about -4°C in early March to 17°C by late May.
A typical spring day in Altai reaches about 7°C and drops to -4°C overnight. The warmest of the three months is May, the coolest March.
How spring really feels in Altai
Once humidity and wind are folded in, spring brings about 0 days that feel above 32°C and 77 that feel at or below 0°C.
The story in spring is cold — wind chill drags the overnight "feels like" below the raw low.
Altai weather by month
How the three spring months (March, April and May) 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 | -12° / -20° | 1 | 0.2 | 0.6 | 8.8 | 0.0 |
| Feb | -8° / -18° | 2 | 0.8 | 1.5 | 10 | 0.0 |
| Mar | -1° / -11° | 9 | 2.8 | 3.5 | 11.6 | 0.0 |
| Apr | 8° / -3° | 17 | 5.2 | 3.7 | 13.3 | 1.4 |
| May | 14° / 3° | 25 | 6.7 | 2.6 | 14.7 | 4.6 |
| Jun | 20° / 9° | 44 | 8.6 | 0.3 | 15.5 | 6.4 |
| Jul | 22° / 12° | 56 | 9.4 | 0 | 15.2 | 6.7 |
| Aug | 20° / 9° | 42 | 7.6 | 0.2 | 14 | 6.8 |
| Sep | 14° / 3° | 18 | 4.9 | 1.5 | 12.4 | 4.8 |
| Oct | 6° / -5° | 11 | 3.7 | 3.7 | 10.7 | 0.8 |
| Nov | -4° / -13° | 5 | 1.8 | 2.1 | 9.2 | 0.0 |
| Dec | -10° / -18° | 2 | 0.6 | 1 | 8.5 | 0.0 |
Cloud cover in Spring
The sky is clear or mostly clear about 40% of the time across spring.
Chance of precipitation in Spring
Altai gets around 50 mm of rain and snow over 15 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
Most of spring feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Spring
Winds average 11 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 10 h 48 min in early March to 15 h 18 min by late May. The lit band spans sunrise to sunset each day.
Solar energy in Spring
Average shortwave solar energy reaching the ground each day across spring, about 6.0 kWh/m².
Is spring a good time to visit Altai?
Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
spring is a weaker month for outdoor sightseeing in Altai.
What to pack for Altai in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Altai sees daytime highs around 7°C and nights near -4°C. Pack a warm layer, a heavy coat and sun protection. About 15 days see rain.
UV index in Altai in Spring
Clear-sky midday UV across spring averages around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Altai peaks around July 17 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 | 6 | 8 | 8 | 10 | 8 | 5 | 3 | 1 | 1 |
| Level | Low | Moderate | Moderate | High | Very high | Very high | Very high | Very high | High | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 2 | Moderate |
| Mar | 3 | Moderate |
| Apr | 6 | High |
| May | 8 | Very high |
| Jun | 8 | Very high |
| Jul | 10 | Very high |
| Aug | 8 | Very high |
| Sep | 5 | High |
| Oct | 3 | Moderate |
| Nov | 1 | Low |
| Dec | 1 | Low |
Air quality in Altai in Spring
Average fine-particle pollution (PM2.5) through the year — so you can see where spring falls, not just the annual average.
Air quality in Altai is worst in June — around 22 µg/m³ PM2.5 (moderate), about 4.1× the cleanest month (December, 5 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 10 | 13 | 15 | 13 | 18 | 22 | 14 | 18 | 9 | 8 | 8 | 5 |
| Level | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 10 | Good |
| Feb | 13 | Moderate |
| Mar | 15 | Moderate |
| Apr | 13 | Moderate |
| May | 18 | Moderate |
| Jun | 22 | Moderate |
| Jul | 14 | Moderate |
| Aug | 18 | Moderate |
| Sep | 9 | Good |
| Oct | 8 | Good |
| Nov | 8 | Good |
| Dec | 5 | Good |
Where is Altai?
Altai sits at 46.4°N, 96.3°E, 2,156 m above sea level, in Mongolia. The nearest listed city is Uliastay, 159 km away.
Topography around Altai
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Altai.
Within 3 km, the terrain around Altai has only modest variations in elevation — a maximum elevation change of 147 m around an average of 2,168 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,074 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,683 m.
The land around Altai is covered by bare terrain (51%) and grassland (39%) within 3 km, grassland (67%) and bare terrain (32%) within 16 km, and bare terrain (54%) and grassland (46%) 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 Altai (46.3722°, 96.2583°, elevation 2,156 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.