The coldest capital city in the world is not in Russia, Scandinavia, or Canada — it’s Ulaanbaatar, Mongolia, which has an annual average temperature of -1.3°C (29.7°F), the only national capital with a sub-zero annual average, and where January nighttime temperatures regularly drop to -35°C (-31°F), making it colder than Moscow, Reykjavík, Astana, and Ottawa combined

Ulaanbaatar, the capital of Mongolia, sits in a high valley along the Tuul River in north-central Mongolia, at an elevation of about 1,300 metres and a latitude of roughly 47 degrees north. It has an annual mean temperature of approximately -1.3°C (29.7°F), and according to a 2026 World Atlas review of the world’s coldest capital [...] The post The coldest capital city in the world is not in Russia, Scandinavia, or Canada — it’s Ulaanbaatar, Mongolia, which has an annual average temperature of -