Ulaanbaatar Weather History
Mongolia · Asia · Weather data 1976–today
Ulaanbaatar sits 5333km from the equator, 1350m above sea level. That combination gives it a climate with cool summers and very cold, dry winters (Monsoon-influenced subarctic climate). Its record high is 37.5°C, set 2017-07-15, its record low -42.5°C, set 1978-02-08.
Data through August 4, 2026.
Frequently asked questions about the weather in Ulaanbaatar
What is the hottest temperature ever recorded in Ulaanbaatar?
The highest temperature in this record for Ulaanbaatar is 37.5°C, measured on 2017-07-15. That is a recorded daily value from Ulaanbaatar's own series covering 1976 to 2025, not an estimate or a regional average.
What is the coldest temperature ever recorded in Ulaanbaatar?
The lowest temperature in this record for Ulaanbaatar is -42.5°C, measured on 1978-02-08. Together with the heat record above, that spans the full range this city has actually experienced across 1976 to 2025.
How much rain does Ulaanbaatar get a year?
Ulaanbaatar averages 340mm of precipitation a year, spread across roughly 65 days with at least 1mm. That average is taken over 50 complete calendar years, so one exceptionally wet or dry year does not set the figure.
What was the wettest day on record in Ulaanbaatar?
On 2003-08-15, 48.8mm fell on Ulaanbaatar, the highest single-day total in this series. For scale, that is roughly 14% of what the city receives in an average full year, in one day.
How many hours of sunshine does Ulaanbaatar get a year?
Ulaanbaatar averages 3639 sunshine hours a year, which works out to about 10.0 hours a day across the whole year. Sunshine hours measure the time direct sunlight actually reaches the ground, not simply how long it is light.
How warm are summers and how cold are winters in Ulaanbaatar?
Across the summer months Ulaanbaatar averages a daytime high near 21.8°C, while winter nights average -23°C. The seasons here are set from Ulaanbaatar's position relative to the equator rather than a fixed northern-hemisphere calendar.
What is the strongest wind recorded in Ulaanbaatar?
The strongest wind speed recorded in Ulaanbaatar is 44 km/h, on 1980-04-18. That is the daily maximum sustained wind rather than the peak gust, which typically runs higher still.
