The best times to visit Ulaanbaatar for ideal weather are
June 18th to August 12th
based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.
Ulaanbaatar Travel Guide
Weather in Ulaanbaatar
Average temperatures in Ulaanbaatar vary drastically and are seasonally temperate. The area is in the top 85 percent of tourist destinations for pleasant weather. 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 60°F (15.6°C) with temperatures rarely dropping below 39.3°F (4.1°C) at night.
Ulaanbaatar Temperatures (Fahrenheit)
Ulaanbaatar Temperatures (Celsius)
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)
Ulaanbaatar Perceived Temperature (C)
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.
|Month||Avg. High (°F)||Avg. Mean (°F)||Avg. Low (°F)|
|Month||Avg. High (°C)||Avg. Mean (°C)||Avg. Low (°C)|
Precipitation (Rain or Snow)
If dry weather is what you’re after, the months with the lowest chance of precipitation in Ulaanbaatar are July, August, and then June. The lowest chance of rain or snow occurs around late October to early November. For example, on the week of October 29th there are only 0.3 days of precipitation on average. By contrast, it’s most likely to rain or snow in mid-July with an average of 3.1 days with significant precipitation the week of July 16th.
When can you find snow in Ulaanbaatar? Weather stations report moderate or seasonal snow likely to be deepest around April, especially close to late April. Powder (new snow) is most often falls around April 23rd. 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.
Chance of Precipitation
The graph below shows the % chance of rainy and snowy days in Ulaanbaatar.
Snow on the Ground
The graph below shows the average snow on the ground in Ulaanbaatar (in).
Average Rain and Snow by Month
|Month||Daily Chance of Rain||Average Snow Depth (in)||Total Precipitation (in)|
|Month||Daily Chance of Rain||Average Snow Depth (cm)||Total Precipitation (cm)|
Humidity and Wind
Ulaanbaatar has below average humidity compared to most tourist destinations. The least humid month is April (29.4% relative humidity), and the most humid month is December (59.7%).
Wind in Ulaanbaatar is usually moderate. The windiest month is May, followed by June and April. May’s average wind speed of around 8.7 knots (10 MPH or 16.1 KPH) is considered “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 18.4 knots, which is considered a fresh breeze.
Relative Humidity (%)
The graph below shows the average % humidity by month in Ulaanbaatar.
The graph below shows wind speed (max and average) in knots.
Average Wind Speeds
Show Wind Speeds
All wind speeds are in knots.
|Month||Avg. Wind||Meaning (Beaufort)||Avg. Maximum Sustained Wind||Meaning (Beufort)|
|Jan||2.6||light air||6.9||a light breeze|
|Feb||3.7||light air||9.2||a gentle breeze|
|Mar||5.4||a light breeze||12.5||a light breeze|
|Apr||7.4||a gentle breeze||15.5||a moderate breeze|
|May||8.7||a gentle breeze||17.3||a light breeze|
|Jun||7.5||a gentle breeze||15.6||a moderate breeze|
|Jul||6.3||a light breeze||13.9||a light breeze|
|Aug||5.9||a light breeze||12.6||a moderate breeze|
|Sep||6||a light breeze||13||a light breeze|
|Oct||5.2||a light breeze||11.8||a moderate breeze|
|Nov||3.8||light air||9.1||a light breeze|
|Dec||3||light air||7.3||a gentle breeze|
Show Relative Humidity by Month
|Month||Avg. Relative Humidity|
Is it Safe to Travel to Ulaanbaatar?
As of 5/2/2017 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.
Overall Ulaanbaatar Travel Experience by Season
Spring (March through May)
Humidity and temperatures combine to make this season feel very cold. Highs range from 51.4°F (10.8°C) and 14.7°F (-9.6°C) with warmer temperatures in the later months. Rain is somewhat common with 3 to 7 days of precipitation per month. Spring is slow/unreported for tourism, which makes it a good time for those looking for deals.
Summer (June through August)
The middle-year months have slightly cold weather with high temperatures that are comfortable. These months see moderate precipitation with 9 to 12 days of precipitation per month. June – August is slow/unreported season for tourism in Ulaanbaatar, so lodging and other accommodations may cost as much as usual.
Fall (September through November)
Fall daily highs range from 51.3°F (10.7°C) and 10.6°F (-11.9°C), which will feel very chilly given the humidity and wind. It rains or snows a fair amount: approximately 4 days per month. Tourism is slow/unreported during these months due to the weather, so hotels may be normally 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 12.4°F (-10.9°C) and 0.4°F (-17.6°C). On average, it rains or snows a normal amount: 2 to 4 times per month. These times of year are slow/unreported with tourists.