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Bayan-Olgii

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Bayan-Olgii Weather, Climate and Best Time to Visit

Data source:Meteostat
Update date:2025-09

Bayan-Olgii year round climate

  • Spring (March–May): Average -2.9°C–11.4°C, cold and dry climate, slow temperature increase, and low rainfall. Common activities: Hiking (pay attention to keeping warm), appreciating grassland scenery. Recommended clothing: Thick coat, sweater, warm underwear, waterproof jacket.
  • Summer (June–August): Average 17.3°C–18.4°C, warm and dry climate, large diurnal temperature variation, rainfall concentrated in July. Common activities: Horse riding, camping, exploring grassland culture. Recommended clothing: Light and breathable clothing, long trousers, sun hat, sunscreen.
  • Autumn (September–November): Average 2.9°C–10°C, dry and cool climate, rapid temperature decrease, and reduced rainfall. Common activities: Viewing autumn grassland scenery, experiencing local nomadic culture. Recommended clothing: Warm coat, long trousers, scarf, gloves.
  • Winter (December–February): Average -16°C–-14.5°C, cold and dry climate, extremely low temperatures, and low snowfall. Common activities: Experiencing the winter life of nomadic people (thorough preparations for warmth are necessary). Recommended clothing: Down jacket, thick sweater, warm socks, hat, gloves, scarf, waterproof snow boots.

Bayan-Olgii climatological average

Annual average temperature: approx. 2.1°C / Annual rainfall: approx. 81 mm / Summer humidity: 30%–40% / Rainiest month: July

Bayan-Olgii monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
-14.8°C
1.2
February
-14.5°C
1
March
-2.9°C
1.5
April
2.8°C
2
May
11.4°C
11.3
June
17.4°C
9
July
18.4°C
26
August
17.3°C
8.7
September
10°C
14.3
October
2.9°C
2.5
November
-6.3°C
1.3
December
-16°C
2.8

Bayan-Olgii weather for the next seven days

10/4
Sunday
Sunny
13.1°C/-1.1°C
10/5
Monday
Overcast
12.9°C/2.4°C
10/6
Tuesday
Overcast
13°C/3.4°C
10/7
Wednesday
Sunny
8.6°C/-0.2°C
10/8
Thursday
Sunny
8.1°C/-4.9°C
10/9
Friday
Overcast
8.9°C/-1.9°C
10/10
Saturday
Sunny
5.7°C/-3.2°C