The best times to visit Ulaanbaatar for ideal weather are

May 28th to September 9th

based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.

 


Weather in Ulaanbaatar

Temperature

Average temperatures in Ulaanbaatar vary an incredible amount. Considering humidity, temperatures feel cold for most of the year with a very low chance of rain or snow throughout the year. The area is somewhat temperate — in the 41st percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Ulaanbaatar, the hottest months are July, June, and then August. See average monthly temperatures below. The warmest time of year is generally late July where highs are regularly around 81.7°F (27.6°C) with temperatures rarely dropping below 53.5°F (11.9°C) at night.

Ulaanbaatar Temperatures (Fahrenheit)

Key
High
Average
Low

Ulaanbaatar Temperatures (Celsius)

Key
High
Average
Low

“Feels-Like” Temperatures

The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.

Ulaanbaatar Perceived Temperature (F)

Key
High
Average
Low

Ulaanbaatar Perceived Temperature (C)

Key
High
Average
Low

 

Average Ulaanbaatar Temperatures by Month

Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.

Show Fahrenheit

Month Avg. High (°F) Avg. Mean (°F) Avg. Low (°F)
Jan 3.8 -13 -26.5
Feb 13.5 -4.4 -21.4
Mar 31.4 15.9 -0.8
Apr 51.4 37.2 19.9
May 63.5 49.8 32.9
Jun 74.5 62.2 47.2
Jul 78.4 65.9 52.3
Aug 74.8 61.4 47.1
Sep 64.5 49.1 32.6
Oct 47.2 32 16.9
Nov 24.7 9.4 -5.3
Dec 7 -8.3 -21

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan -15.7 -25 -32.5
Feb -10.3 -20.2 -29.7
Mar -0.3 -8.9 -18.2
Apr 10.8 2.9 -6.7
May 17.5 9.9 0.5
Jun 23.6 16.8 8.4
Jul 25.8 18.8 11.3
Aug 23.8 16.3 8.4
Sep 18.1 9.5 0.3
Oct 8.4 0 -8.4
Nov -4.1 -12.6 -20.7
Dec -13.9 -22.4 -29.4


 

Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Ulaanbaatar are January, December, and then February. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early to mid January. For example, on the week of January 8th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in early July with an average of 2 days of significant precipitation the week of July 2nd.

When can you find snow in Ulaanbaatar? Weather stations report large amounts of snow likely to be deepest around April, especially close to late April. The best time to ski (if at all) in Ulaanbaatar is often around around April 23rd when fresh powder is deepest. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.

Chanceof Precipitation

The graph below shows the % chance of rainy and snowy days in Ulaanbaatar.

Key
Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in Ulaanbaatar (in).

Key
Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 0% 1.9 0.1
Feb 0% 1.9 0.1
Mar 3% 1.8 0.5
Apr 3% 5.2 0.7
May 8% 1 0.9
Jun 17% 0 2
Jul 24% 0 3.6
Aug 18% 0 2.4
Sep 7% 1.3 0.6
Oct 4% 0.9 0.4
Nov 1% 1.2 0.2
Dec 0% 1.6 0.2

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 0 4.8 0.3
Feb 0 4.8 0.3
Mar 3 4.6 1.3
Apr 3 13.2 1.8
May 8 2.5 2.3
Jun 17 0 5.1
Jul 24 0 9.1
Aug 18 0 6.1
Sep 7 3.3 1.5
Oct 4 2.3 1
Nov 1 3 0.5
Dec 0 4.1 0.5

 

Humidity and Wind

Ulaanbaatar has some humid months, and dry months in the opposite season. The least humid month is May (29.1% relative humidity), and the most humid month is December (60.2%).

Wind in Ulaanbaatar is usually calm. The windiest month is May, followed by June and April. May’s average wind speed of around 8.6 knots (9.9 MPH or 15.9 KPH) is considered “a gentle breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in early to mid May where average top sustained speeds reach 19.5 knots, which is considered a fresh breeze.

Relative Humidity (%)

The graph below shows the average % humidity by month in Ulaanbaatar.

Key
Avg. Relative Humidity

Wind

The graph below shows wind speed (max and average) in knots.

Key
Max Sustained Wind
Average Daily Wind

Average Wind Speeds

Show Wind Speeds

All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.

Month Avg. Wind Avg. Wind Feel Sustained High Wind High Wind Feel
Jan 2.6 Barely noticeable 7.7 Gentle breeze
Feb 3.7 Barely noticeable 10.2 Gentle breeze
Mar 5.3 Light breeze 13 Gentle breeze
Apr 7.3 Gentle breeze 16.5 Significant breeze
May 8.6 Gentle breeze 18.5 Gentle breeze
Jun 7.5 Gentle breeze 17 Strong breeze
Jul 6.2 Light breeze 15.3 Gentle breeze
Aug 5.8 Light breeze 13.9 Significant breeze
Sep 5.9 Light breeze 14 Gentle breeze
Oct 5 Light breeze 12.6 Significant breeze
Nov 3.7 Barely noticeable 10 Gentle breeze
Dec 2.9 Barely noticeable 8.1 Gentle breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 57%
Feb 54.1%
Mar 46.8%
Apr 29.5%
May 29.1%
Jun 37.8%
Jul 47.7%
Aug 49.1%
Sep 39.5%
Oct 47.2%
Nov 58.1%
Dec 60.2%

 

Is it Safe to Travel to Ulaanbaatar?

Our best data indicates this area is somewhat safe. As of Jan 18, 2018 there are travel warnings for Mongolia; exercise a high degree of caution. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories


 

The Busiest and Least Crowded Months

The busiest month for tourism in Ulaanbaatar, Mongolia is October, followed by August and May. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Ulaanbaatar in February. Those willing to visit at these times will likely find it the least expensive month.

Estimated Tourism by Month

 

Most Popular Months to Visit

Key
Tourists Seeking Accommodations

Tourism graph is based on Google searches for services used by tourists relative to the rest of the year. Tourism data for this area is very reliable. Displayed data is calculated relative to the peak, so a score of 42.4 in February means 42.4% of the tourists vs. October.


Overall Ulaanbaatar Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderately cold. Highs range from 69.3°F (20.7°C) and 20.9°F (-6.2°C) with far warmer temperatures in the later months. Rain is rare with 1 to 3 days of significant precipitation per month. Spring is the second busiest for tourism, which makes it a good time for those looking for things to do.

Summer (June through August)

The middle-year months have comfortably cool weather with high temperatures that are comfortable. These months see the most precipitation with 5 to 8 days of precipitation per month. June – August is the busiest season for tourism in Ulaanbaatar, so lodging and other accommodations may cost more than usual.

Fall (September through November)

Fall daily highs range from 68.3°F (20.2°C) and 15.4°F (-9.2°C), which will feel very chilly given the humidity and wind. It rains or snows a normal amount: 0 to 2 days per month. Tourism is fairly slow during these months due to the weather, so hotels may be lower priced.

Winter (December through February)

Weather is far too cold this time of year in Ulaanbaatar to be enjoyable for warm weather travelers. The average high during this season is between 20.9°F (-6.2°C) and 1.4°F (-17°C). On average, it rains or snows a insignificant amount: consistently 0 times per month. These times of year are the slowest with tourists.

 

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