WhereItsSunny

Best Time to Visit Ulaanbaatar, Ulaanbaatar, Mongolia

Month-by-month climate guide for planning a trip to Ulaanbaatar.

Ulaanbaatar does not have a month that clearly fits our sunny profiles. Its practical travel window centres on its warmest (July, 18°C / 64.4°F) and driest (January, 2 mm / 0.1 in) months. The drier stretch runs through October–April; the wetter half falls in May–September. At the city itself, monthly average temperatures range from -22°C / -7.6°F in January to 18°C / 64.4°F in July, with rainfall from 2 mm / 0.1 in (January) to 76 mm / 3 in (August). These are point-value climate normals sampled at Ulaanbaatar, Ulaanbaatar, Mongolia's coordinates — usually more actionable for travellers than the country-wide average. Ulaanbaatar's climate is broadly strongly continental. The full month-by-month table below lets you match your travel window against our five weather profiles.

Recommended months

Sunny & HotSunny & WarmSunny & MildTropicalSnowy
MonthTempRainFeels like
May10°C50°F14 mm0.6″
June15.8°C60.4°F52 mm2″
July18°C64.4°F73 mm2.9″

No month at Ulaanbaatar matches our sunny profiles. The three above are the driest-and-warmest fallback.

Frequently asked questions

When is the best time to visit Ulaanbaatar?

Ulaanbaatar doesn't have a month that clearly matches our sunny profiles. The practical travel window centres on January (driest, ~2 mm / 0.1 in) and July (warmest, 18°C / 64.4°F). Because these are point values at the city, they can differ substantially from Mongolia's national average.

When is the rainy season in Ulaanbaatar?

The rainy season at Ulaanbaatar, Ulaanbaatar runs through May–September, when monthly rainfall exceeds the annual median of about 9 mm / 0.4 in. The wettest single month is August (76 mm / 3 in).

What is the driest month in Ulaanbaatar?

The driest month in Ulaanbaatar is January, averaging about 2 mm / 0.1 in of rainfall. Temperature that month averages -22°C / -7.6°F.

What months should I avoid visiting Ulaanbaatar?

The least comfortable months for travel to Ulaanbaatar — based on point-value climate at the city — are January, February, June, July, August, November, December. These are the wettest or coolest months at this location. Rainfall peaks at 76 mm / 3 in in August, and the coldest month averages -22°C / -7.6°F.

Is Ulaanbaatar climate different from Mongolia overall?

Yes, usually. Our Ulaanbaatar figures are point-value climate normals sampled at the city itself, while our Mongolia figures are area-weighted averages across the whole country. The two can diverge substantially in geographically diverse or elevation-varied countries. The month-by-month table below reflects Ulaanbaatar specifically — usually the more actionable data for a traveller planning to spend time in the city.