Ulaanbaatar Weather in June

In June, the transitional month from spring to summer, Ulaanbaatar weather is characterized by generally moderate temperature, long daytime and strong sunlight. Rainy season rolls in, but continuous heavy rainfall is seldomly seen. The grassland has revived lush and green, fully prepared for your visits.

Generally Pleasant Temperature

Ulaanbaatar weather in June is warm and pleasant overall during daytime with the high temperature fluctuating between 17 and 28 degrees Celsius (63 - 82 degrees Fahrenheit). It rises to around 30℃ (86℉) sometimes, when you might still feel hot wearing T-shirts, but it is very occasional. After the sun sets, the temperature drops, ranging from 5 to 15℃ (41 -59℉), so the night is a little cool and calls for thicker clothes like trench coats or denim jackets. But it is no longer severely cold and allows visitors to live in the Mongolian yurts at night as long as with thick quilts.

Frequent Rainfall, but Low in Total

June signals the beginning of rainy season in Ulaanbaatar as the precipitation during this month experiences a significant rise and triples to 71mm (2.8 in). However, it remains relatively low compared with worldwide destinations. The rainfall is distributed over 13 days on average, consisting almost half of the month, so some frequent. Fortunately, continuous rain in one day and consecutive days are seldomly seen. It usually rains lightly and heavy rainfall is occasional.

Besides, snow is possible as well in Ulaanbaatar in June, but very rarely, occurring only once in recent five years. The accumulated snow keeps for a short time and you find the thin snow cover on streets disappear the second day.

Long Daytime & Strong Sunshine

June is one of the months with the longest daytime of the year, about 16 hours as the dawn breaks at 05:07 - 05:12 and the dusk falls at 20:52 - 21:04. It means visitors have longer time for sightseeing and can make the best use of it to conduct a thorough Ulaanbaatar trip.

Though influenced by the increasing rainfall, the sunshine time remains relatively long, reaching 9 hours per day on average since in most time, rainy weather tends to turn cloudy or sunny soon after. That is why Ulaanbaatar climate in June remains generally sunny. As the UV index maintains at 8, a very high level, you might feel sunburnt, especially around noon.

Averages for Ulaanbaatar Weather in June

High Temperature

23°C (73°F)

Low Temperature

8°C (46°F)

Rainfall

71 mm (0.5 in)

Sunrise

05:07 ~ 05:12

Sunset

20:52 ~ 21:04

Jan.Feb.Mar.Apr.May.Jun.Jul.Aug.Sep.Oct.Nov.Dec.

The times for sunrise and sunset are based on Ulaanbaatar.

A Good Time to Visit Ulaanbaatar

It is no doubt that traveling to Ulaanbaatar in June is a good choice for its favorable weather and brilliant natural scenery.

Free from scorching hot and bitterly cold, the weather of Ulaanbaatar in June features warm day and cool night, thus creating a beneficial condition for visitors to conduct outdoor activities even at night. For example, observe stars on the vast grassland or appreciate Ulaanbaatar night view on the top of Zaishan Hill.

More importantly, grasslands and forests have completely revived, presenting a vast expanse covered with green blankets. The blankets are not in the same color, but consisting of virous green of different levels. Wandering through lush grasslands by riding a horse or camel, you might feel as if immersed in a green ocean, which is refreshing and delightful.

Tips for Dressing in Ulaanbaatar in June

Upper body: T-shirts are definitely necessary when conducting outdoor activities for a long time. Considering the day-night temperature difference, you had better put on shirts, jackets or trench coats in early morning and late evening. Thin sunscreen coats are important as well around noon, which helps to prevent strong sunlight.

Lower body: You can choose from dresses, sweatpants, loose jeans and thin summer trousers. But for grassland and forest trips, dress is not suggested unless with leggings since there are lots of mosquitoes, locust and other insects. You should also prepare long johns to cope with possible temperature drops.

Shoes: Comfortable sneakers or casual shoes with breathable cotton socks are good matches. It would be better if they are non-slip and waterproof to deal with lingering water on the streets and ground after rain.

Others: Sun-protective items are indispensable to prevent heat stroke and sunburnt, including sunglasses, sunscreen hats and sunblock cream. You are suggested to bring mosquito repellent spray or pastes especially if you plan to visit grassland.

Top Things to Do in Ulaanbaatar in June

Visit Luxuriant Grasslands

You can’t miss the grasslands in June in lush green. Colorful wildflowers scattering across the landscape and horses grazing add more charming to the scenes. Terelj National Park and Bogd Khan Uul National Park near Ulaanbaatar are all good choices.

Wander along Tuul River

With significant increase of rainfall in June, Tuul River welcomes its high flow period. The river, twisting and turning on the vast landscape, runs gently and glitters under sunshine. Meanwhile, the grasses and trees by the riverside have turned lush enough. You can go down and walk along its riverside to enjoy the wonderful scenery.

Attend Shaman Festival 2026

Shaman Festival 2026 is celebrated from June 12 to 15 in Ulaanbaatar. During this period, different ceremonies are held, including the sacrificial ceremonies of sun and fire as well as the one of raising Shamanic flag. You can also see the representatives in unique clothes from different Shaman tribes give excellent performances.

Tips for Visiting Ulaanbaatar in June

1. After heavy rainfall, the grassland turns muddy and slippery, unsuitable for visiting and you are advised to prolong the grassland tour accordingly. Before the grassland revives suitable for visit, you can make some city explorations. For example, visiting attractions like Sukhbaatar Square, Mongolia National Modern Art Gallery and Choijin Lama Temple, or just having a random city walk.
2. Mind your step when walking on the grassland since there might be dungs of horses and cows.
3. Tuul River becomes turbid with higher flow after heavy rain and it is dangerous to walk along the riverside. You are only suggested to overlook it on the hill at this time.

If you plan to visit Ulaanbaatar in June 2026, then click our Best Private Mongolia Tours.

7-Day Ulaanbaatar Weather Forecast