Ulaanbaatar weather in October
October in Ulaanbaatar: cold, dry, with clean air — a good time to visit.
#7 of 12 months in Ulaanbaatar · #502 of 604 destinations to visit in October · comfort 63/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Ulaanbaatar climate normals — October
| Daytime high | 7°C / 44°F | 🧥 cold |
|---|---|---|
| Nighttime low | -4°C / 24°F | |
| Feels like (high) | 2°C / 36°F | |
| Rainfall | 12 mm / 0.5 in | ☀️ dry |
| Rainy days | 4 days | |
| Humidity | 58% | 🍃 comfortable |
| Dew point | -6°C / 20°F | |
| Sunshine | 8.6 h/day | |
| Daylight | 10.8 h | |
| Wind | 15 km/h / 9 mph | |
| Snowfall | 7.1 cm / 2.8 in | |
| Air quality (US AQI) | 50 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Ulaanbaatar in October — FAQ
- Is October a good time to visit Ulaanbaatar?
- October in Ulaanbaatar: cold, dry, with clean air — a good time to visit. It ranks #7 of 12 months for Ulaanbaatar on SeasonMap's comfort score (63/100).
- What is the weather like in Ulaanbaatar in October?
- In October, Ulaanbaatar averages a daily high of 6.6°C and a low of -4.3°C, with about 12.4 mm of rain over roughly 4.4 rainy days.
- What is the air quality in Ulaanbaatar in October?
- Ulaanbaatar has a mean US Air Quality Index of about 50 in October.
- Does it snow in Ulaanbaatar in October?
- Ulaanbaatar sees roughly 7.1 cm of snowfall in October.