Ulaanbaatar weather in January
January in Ulaanbaatar: freezing, dry — one of the weakest months to visit.
#11 of 12 months in Ulaanbaatar · #574 of 604 destinations to visit in January · comfort 31/100 (tier F)
Updated June 2026 · climate normals from ERA5 reanalysis
Ulaanbaatar climate normals — January
| Daytime high | -11°C / 12°F | 🥶 freezing |
|---|---|---|
| Nighttime low | -24°C / -11°F | |
| Feels like (high) | -16°C / 3°F | |
| Rainfall | 1 mm / 0 in | ☀️ dry |
| Rainy days | 0 days | |
| Humidity | 69% | 💧 humid |
| Dew point | -23°C / -9°F | |
| Sunshine | 7.5 h/day | |
| Daylight | 8.9 h | |
| Wind | 12 km/h / 7 mph | |
| Snowfall | 2.1 cm / 0.8 in | |
| Air quality (US AQI) | 92 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Ulaanbaatar in January — FAQ
- Is January a good time to visit Ulaanbaatar?
- January in Ulaanbaatar: freezing, dry — one of the weakest months to visit. It ranks #11 of 12 months for Ulaanbaatar on SeasonMap's comfort score (31/100).
- What is the weather like in Ulaanbaatar in January?
- In January, Ulaanbaatar averages a daily high of -11.2°C and a low of -24.1°C, with about 0.8 mm of rain over roughly 0.2 rainy days.
- What is the air quality in Ulaanbaatar in January?
- Ulaanbaatar has a mean US Air Quality Index of about 92 in January.
- Does it snow in Ulaanbaatar in January?
- Ulaanbaatar sees roughly 2.1 cm of snowfall in January.