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Mongolia’s landlocked location gives rise to an extreme continental climate, with summer and winter temperatures varying widely. Ulaan Baatar is the world’s coldest capital, and across the country winter temperatures regularly drop to -30°C (-22 F) and below. Only the southern Gobi is truly hot in the summer months, though this is also when you’re more likely to encounter the little rain that does fall each year. It’s possible to travel to Mongolia on the Trans-Siberian Railway at any time of year, although certain months can be much more rewarding than others. Given the severity of the winter months, travel to the areas around Ulaan Baatar is only feasible between May and October.

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Audley Travel specialist Matt

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The Naadam Festival is a real experience, but unless you’re planning to attend it, I suggest visiting Mongolia in September. It’s quieter than the summer months of June, July and August, so you can really explore Ulaan Baatar away from the crowds.

Matt, Indian Subcontinent & South Central Asia specialist

Mongolia Climate Guide

Destination Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Ulaan Baatar -16°C 2mm -12°C 2mm -2°C 4mm 8°C 10mm 17°C 16mm 22°C 50mm 23°C 69mm 22°C 63mm 16°C 30mm 7°C 8mm -5°C 4mm -14°C 3mm

Month-by-month guide to travelling in Mongolia

Delgermoron River Valley, Mongolia

Visiting Mongolia in August - September

The weather is still warm, although Ulaan Baatar and its surrounds can experience a little more rain. The country quietens down and can become a little colder, especially toward the end of September.

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Trip ideas and travel guides to exploring Mongolia

Trip ideas for exploring Mongolia