Weather in Ulaanbaatar in January 2026
- January is usually the coldest month of the year in Ulaanbaatar;
- January is usually the wettest month of the year in Ulaanbaatar;
Average weather
Average temperature in Ulaanbaatar in January
Going from a maximum of +27°F during the day to a minimum of -38°F during the night, the temperature in January averages around +3°F.
The average maximum temperature goes up 28% by the end of the month, compared with the beginning of the month, from -6°F to +12°F.
Is Ulaanbaatar warm or cold in January?
Ulaanbaatar is typically cold in January.
Maximum temperatures go down compared to the previous month from +9°F to +5°F. The minimum temperature also goes down from -11°F to -17°F.
Wear your winter warms as it will be cold. To save space, layer, and don’t forget gloves and a scarf.
January is the coldest month in Ulaanbaatar, here is the comparison with other months:
Climate in Ulaanbaatar in January
| December | January | February | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +9°F | +5°F | +16°F | ||||
| Min. temperature | ||||||
| -36°F | -42°F | -35°F | ||||
| Max. temperature | ||||||
| +41°F | +28°F | +50°F | ||||
| Rainfall | ||||||
| 0 mm | 0 mm | 0 mm | ||||
| Wind | ||||||
| 1 m/s | 1 m/s | 1 m/s | ||||
| Humidity | ||||||
| 74% | 75% | 72% | ||||
| Air pressure | ||||||
| 1025 HPa | 1026 HPa | 1023 HPa | ||||
| Sunny days | ||||||
| 15 | 16 | 14 | ||||
| Cloudy days | ||||||
| 13 | 13 | 12 | ||||
| Rainy days | ||||||
| 0 | 0 | 0 | ||||
| Snowy days | ||||||
| 3 | 2 | 3 | ||||
January weather is still as good as in December. It’s getting colder in January. From +9°F in the day, the average maximum temperature lowers to +5°F. The rainfall amount in January stays the same as in the previous month with a 0 mm of total precipitation. Humidity rises from 74% to 75%. The average wind speed doesn’t change much during January, staying around 1 m/s. The good news is there are likely to be more sunny days in January, from 15 to 16.
February brings much the same weather, it remains good.
Wind
The average wind speed is 1 m/s getting up to 5 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Ulaanbaatar is gradually increasing during January, going from 0 m/s to 3 m/s over the course of the month.
How was the weather last January in Ulaanbaatar?
Climate Change Over the Years
The climate in Ulaanbaatar in January has not changed that much over the last 43 years.
The average temperature was the lowest in 1985 (+39°F) and the highest in 2007 (+48°F). The driest year was 2017 with only 192 mm of rainfall, and the wettest year was 1984 with 432 mm.
FAQ
Is January a good time to visit Ulaanbaatar?
Can you sunbathe in Ulaanbaatar in January?
Is Ulaanbaatar rainy in January?
Is it sunny in Ulaanbaatar in January?
Monthly weather in Ulaanbaatar
Source of the data
For this page, we’ve looked at the typical weather in Ulaanbaatar, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.
