Arvayheer in Spring
In spring (March, April and May), Arvayheer sees average daytime highs around 9°C and overnight lows near -4°C, with 47 mm of precipitation over about 12 wet days across the season. It is the 2nd-warmest season and the 2nd-wettest season.
Over the season highs climb from about -2°C in early March to 18°C by late May. The sky is clear or mostly clear about 34% of the time across spring, and the air most often feels dry.
Spring is Arvayheer's 2nd-best season to visit on our travel score. For the whole year in context, see Arvayheer's year-round climate.
- Avg daytime high
- 9°C
- 2nd-warmest season
- Avg overnight low
- -4°C
- Precipitation
- 47 mm
- 12 wet days
- Avg wind
- 14 km/h
- Travel score
- 2.5
- 2nd-best season
- Months
- Mar · Apr · May
Temperature in Arvayheer in Spring
Over the season highs climb from about -2°C in early March to 18°C by late May.
A typical spring day in Arvayheer reaches about 9°C and drops to -4°C overnight. The warmest of the three months is May, the coolest March.
How spring really feels in Arvayheer
Once humidity and wind are folded in, spring brings about 0 days that feel above 32°C and 83 that feel at or below 0°C.
The story in spring is cold — wind chill drags the overnight "feels like" below the raw low.
Arvayheer 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 | -10° / -22° | 1 | 0.3 | 0.8 | 8.8 | 0.0 |
| Feb | -6° / -19° | 3 | 0.9 | 1.2 | 10 | 0.0 |
| Mar | 1° / -12° | 7 | 2.2 | 2.9 | 11.6 | 0.0 |
| Apr | 9° / -4° | 13 | 4 | 3.1 | 13.3 | 2.2 |
| May | 16° / 2° | 27 | 5.9 | 2.1 | 14.7 | 5.3 |
| Jun | 21° / 9° | 43 | 8.4 | 0.2 | 15.5 | 6.6 |
| Jul | 23° / 12° | 62 | 11 | 0 | 15.2 | 6.6 |
| Aug | 21° / 10° | 50 | 9 | 0.1 | 14 | 6.7 |
| Sep | 16° / 3° | 23 | 5.2 | 1.1 | 12.3 | 5.6 |
| Oct | 8° / -5° | 10 | 2.7 | 2.5 | 10.7 | 1.7 |
| Nov | -2° / -13° | 4 | 1.2 | 1.7 | 9.2 | 0.0 |
| Dec | -8° / -19° | 2 | 0.4 | 0.9 | 8.5 | 0.0 |
Cloud cover in Spring
The sky is clear or mostly clear about 34% of the time across spring.
Chance of precipitation in Spring
Arvayheer gets around 47 mm of rain and snow over 12 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 14 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 5.7 kWh/m².
Is spring a good time to visit Arvayheer?
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 Arvayheer.
What to pack for Arvayheer in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Arvayheer sees daytime highs around 9°C and nights near -4°C. Pack a warm layer, a heavy coat and sun protection. About 12 days see rain.
UV index in Arvayheer 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 Arvayheer peaks around July 19 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 7 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 1 | 2 | 3 | 7 | 7 | 8 | 9 | 8 | 6 | 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 | 7 | High |
| May | 7 | Very high |
| Jun | 8 | Very high |
| Jul | 9 | Very high |
| Aug | 8 | Very high |
| Sep | 6 | High |
| Oct | 3 | Moderate |
| Nov | 1 | Low |
| Dec | 1 | Low |
Air quality in Arvayheer 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 Arvayheer is worst in June — around 16 µg/m³ PM2.5 (moderate), about 6.2× the cleanest month (December, 3 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) | 6 | 7 | 11 | 11 | 13 | 16 | 16 | 16 | 9 | 7 | 6 | 3 |
| Level | Good | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 6 | Good |
| Feb | 7 | Good |
| Mar | 11 | Good |
| Apr | 11 | Good |
| May | 13 | Moderate |
| Jun | 16 | Moderate |
| Jul | 16 | Moderate |
| Aug | 16 | Moderate |
| Sep | 9 | Good |
| Oct | 7 | Good |
| Nov | 6 | Good |
| Dec | 3 | Good |
Where is Arvayheer?
Arvayheer sits at 46.3°N, 102.8°E, 1,838 m above sea level, in Mongolia. The nearest listed city is Bayanhongor, 158 km away.
Topography around Arvayheer
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Arvayheer.
Within 3 km, the terrain around Arvayheer has only modest variations in elevation — a maximum elevation change of 231 m around an average of 1,849 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 748 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,823 m.
The land around Arvayheer is covered by grassland (77%) within 3 km, grassland (98%) within 16 km, and grassland (89%) 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 Arvayheer (46.2639°, 102.775°, elevation 1,838 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.