Ulaanbaatar Weather
Located inland, Ulaanbaatar has a typical continental climate. It is divided into four seasons in a year. January is the coldest month, with the lowest temperature downs to -28℃ (-18.4℉). July is the hottest time of the year, but the highest temperature is only 22℃ (71.6℉). Mongolia rainfall is concentrated in summer, the precipitation is about 80 mm (3.15in) with rainy days over half a month. Summer from July to August is the best month to go to Mongolia, because during the period, the weather in Ulaanbaatar is the most adorable and the temperature is the most pleasant in the year. If you have decided to visit Ulaanbaatar in 2025, then read our
Best Private Mongolia Tours 2025 & 2026.
7-Day Ulaanbaatar Weather Forecast
Averages for Ulanbator Weather
High/Low Temperatures of Ulanbator
Average Temperatures of Ulanbator
Humidity Graph of Ulanbator
Average Rainfall of Ulanbator
Ulaanbaatar Climate - Seasons & Travel Advice
Ulaanbaatar has a short spring, it is not until May that the weather turns warm, trees sprout and grasslands turn green. Weather in summer is comfortable in the day and cool at night, it has a strong ultraviolet rays, especially in desert areas. The climate suddenly turns cool in rainy days and at night. The weather is changeable in autumn. It may suddenly become cold and even snow. It has a frigid winter. Snow falls almost every day during the long winter, reaching -30℃ (-22℉) in the coldest time.
Spring (May - June)
The temperature picks up in May and the grassland begins to turn green, everything becomes vigorous. The temperature difference between day and night is pretty large, it is expected that the temperature fluctuates from 4~18℃ (39.2~64.4℉). So tourists should better bring some thick coats to keep warm at night.
Summer (July - August)
It is the best season to go to Mongolia. It is hot during the day and cool in the morning and evening. The average maximum temperature is only 22℃ (71.6℉). It is recommended to bring T-shirts, shorts, windproof overcoats, jackets, etc. In addition, although the temperature in Ulaanbaatar is not very high, the ultraviolet rays are still very strong, so it is better to bring sunscreen and sun-protective clothing. There is nearly 85mm (3.35in) rainfall over 15 days and tourists should better take an umbrella with them.
Autumn (September - October)
After a short summer, temperature in autumn begins to drop. The minimum night-time temperature drops to -7℃ (19.4℉),which is freezing. While the weather during the day is pretty cool with the maximum daytime temperature 15℃ (59℉). Autumn is the best time to explore the Gobi desert on foot. But it is pretty cold at night, warm clothes are necessary if you want to go to the desert.
Winter (November - April)
Ulaanbaatar has a long winter which lasts nearly half a year. Climate in winter is very cold, the lowest recorded temperature reached -40℃ (-40℉). Therefore, if people want to go to Ulaanbaatar during this period, make sure to wear as warm as you can. There is little rain in Ulaanbaatar all winter, so tourists don't have to worry about the rain.
You may like:
Mongolia Weather
Mongolia Travel Guide
Top things to Do in Mongolia
