Best Time to Visit Ulan Bator
Best time: Jun, May, Jul, Aug.
Jul is warmest (24.2°C high); Aug is rainiest (75 mm).
Ulan Bator weather by month
| Month | High °C | Low °C | Rain mm | Sun hrs |
|---|---|---|---|---|
| Jan | -15.9 | -28.7 | 2 | 2.8 |
| Feb | -10.5 | -25.7 | 2 | 4.4 |
| Mar | -1.4 | -16.5 | 3 | 6.7 |
| Apr | 8.7 | -5.9 | 9 | 8.2 |
| May | 17.7 | 2.2 | 13 | 9.6 |
| Jun | 22.9 | 8.4 | 51 | 9.7 |
| Jul | 24.2 | 11.4 | 71 | 8.8 |
| Aug | 22.1 | 9 | 75 | 7.7 |
| Sep | 15.9 | 1.1 | 33 | 6.5 |
| Oct | 6.9 | -7.7 | 8 | 4.9 |
| Nov | -5.3 | -18.5 | 4 | 3.1 |
| Dec | -13.4 | -25.6 | 3 | 2.3 |
Average high temperature
Best months by activity
Overall: JunMayJulAug
Beaches: MayAprMarFeb
Hiking: MayJunSepApr
Sightseeing: JunMayJulAug
Ulan Bator quick facts
What to pack
Cold months (Jan, Feb, Mar, Apr, Oct, Nov, Dec): warm layers and a coat.
Frequently asked questions
When is the best time to visit Ulan Bator?
Jun, May, Jul, Aug.
What is the rainiest month?
Aug, about 75 mm.
What is the warmest month?
Jul, with average highs of 24.2°C.
Where to stay
See Ulan Bator hotels · Book Ulan Bator tours & activities
Climate data: Open-Meteo Historical (ERA5), 1991–2020 climate normals.
Licensed under CC BY 4.0.
Open-Meteo.