Weather in Ulaanbaatar Today
Current temperature in Ulaanbaatar: 12°C (54°F). Mainly Clear. Today's high 21°C (70°F), low 7°C (45°F).
Today's Daylight Forecast
Moon & Islamic Calendar
Air quality and UV are both favourable great conditions for a walk, run, or outdoor activity.
5-Day Weather Forecast
Full 15-Day ForecastAtmospheric Details
Today vs Normal
The long-term average high for today is 16°C.
21 of the last 28 days with published data ran above normal.
It continues that pattern - today's forecast is also running above normal.
Red = above normal, blue = at or below · last 12 days
Air Quality
Air quality is considered satisfactory, and air pollution poses little or no risk. It’s a good day to be active outside.
Health & Activity Advice
UV index is 3 today — moderate. Sunscreen is worth using for extended time outside, but no special precautions are needed for short trips.
Air quality is considered satisfactory, and air pollution poses little or no risk. It’s a good day to be active outside.
Conditions are comfortable for outdoor activity at most points during the day today.
Nearby Regional Outlook
Ulaanbaatar Weather Radar
Live precipitation · Cloud cover · Wind
Frequently Asked Questions
What is the hottest month in Ulaanbaatar?
The hottest month in Ulaanbaatar is typically July, with daytime highs averaging around 24.6°C (76°F), based on 10 years of historical weather data. Overnight lows during this period average near 13.2°C (56°F).
What is the coldest month in Ulaanbaatar?
The coldest month in Ulaanbaatar is typically January, with overnight lows averaging around -23.8°C (-11°F) and daytime highs near -12.8°C (9°F), based on 10 years of historical weather data. Freezing overnight temperatures are common during this month, so plan for icy conditions in the early morning.
When does the rainy season start in Ulaanbaatar?
Ulaanbaatar has a clearly defined rainy season running roughly from June to August, based on 10 years of historical rainfall data. August is typically the wettest month, averaging about 95 mm of rain. Outside this window, rainfall is much lighter for the rest of the year.
What's the best time of year to visit Ulaanbaatar?
The best time to visit Ulaanbaatar is typically May to June, when daytime highs average a comfortable 19.8°C (68°F). Rainfall during this window averages around 40 mm, well below the 95 mm seen in August, the wettest month. This is based on 10 years of historical weather data.