Peak in July
Coolest in January
Heavy in August
Peak in dry season
Ulaanbaatar Monthly Weather Guide
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January
February
March
April
May
June
July
August
September
October
November
December
Essential Travel Info for Ulaanbaatar
Currency
MNT
₮ Mongolian tögrög
Language
Mongolian
Driving
Right side
Connect
On Peace Avenue at the southwest corner ...
Safety
High Safety
GPI: 1.775
Best Time to Visit Ulaanbaatar
Location, climate overview & historical trends
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📍 47.8864° N, 106.9057° E
Open in Google MapsUlaanbaatar is a prominent destination in Mongolia.
Located at 47.89°N latitude,Ulaanbaatar experiences a temperate climate with four distinct seasons.
Based on 30 years of data, July is the warmest month (avg. 24°C), while January is the coolest. August sees the most rain (24% chance), making December the driest month.
Historical Climate Trend
30-Year Analysis+0.75°C
Total over 30 years
+0.25°C
Per decade
Linear regression analysis of historical maximum temperatures for Ulaanbaatar, based on 1995-2024 satellite data from NASA POWER.
Best Time to Visit
NASA POWER Data (1991-2021)May, June, July
Best months to visit
7°C
Avg High
Based on 30 years of NASA satellite data,Ulaanbaatar receives approximately 177mm of rainfall annually. These months offer optimal temperatures and minimal rain probability for your visit.
Climate Trends
EXCLUSIVE1995-2040 Temperature Trend
1995 Avg
6.5°
2024 Avg
7°
2040 Proj
7.7°
+0.25°C
per decade (observed)
+0.43°C
per decade (CMIP6)
🌡️ Ulaanbaatar has warmed by +0.8°C since 1995. By 2040, an additional +0.7°C is projected (based on CMIP6 rate of 0.429°C/decade), for a total of +1.4°C from 1995 baseline.
NASA POWER (1995-2024) + CMIP6 (CMCC_CM2_VHR4, EC_Earth3P_HR, FGOALS_f3_H, HiRAM_SIT_HR, MRI_AGCM3_2_S, NICAM16_8S)
Travel Intelligence
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Health & Safety Advisory
CDC travel health recommendations
COVID-19
All eligible travelers should be up to date with their COVID-19 vaccines. Please seeYour COVID-19 Vaccinationfor more information.
Hepatitis A
Recommended for unvaccinated travelers one year old or older going to Mongolia.Infants 6 to 11 months old should also be vaccinated against Hepatitis A. The dose does not count toward the routine 2-dose series.Travelers allergic to a vaccine component should receive a single dose of immune globulin, which provides effective protection for up to 2 months depending on dosage given.Unvaccinated travelers who are over 40 years old, are immunocompromised, or have chronic medical conditions planning to depart to a risk area in less than 2 weeks should get the initial dose of vaccine and at the same appointment receive immune globulin.
Hepatitis B
Recommended for unvaccinated travelers of all ages traveling to Mongolia.
Measles
Cases of measles are on the rise worldwide. Travelers are at risk of measles if they have not been fully vaccinated at least two weeks prior to departure, or have not had measles in the past, and travel internationally to areas where measles is spreading.All international travelers should be fully vaccinated against measles with the measles-mumps-rubella (MMR) vaccine, including an early dose for infants 6–11 months, according toCDC’s measles vaccination recommendations for international travel.
Rabies
Dogs infected with rabies are commonly found in Mongolia.Rabies is also present in some terrestrial wildlife species.If rabies exposures occur while in Mongolia, rabies vaccines may only be available in larger suburban/urban medical facilities.Rabies pre-exposure vaccination considerations include whether travelers 1) will be performing occupational or recreational activities that increase risk for exposure to potentially rabid animals and 2) might have difficulty getting prompt access to safe post-exposure prophylaxis.Please consult with a healthcare provider to determine whether you should receive pre-exposure vaccination before travel.For more information, seecountry rabies status assessments.
Tick-borne Encephalitis
For travelers moving or traveling toTBE-endemic areasTBE vaccineis recommended for persons who will haveextensiveexposure to ticks based on their planned outdoor activities and itinerary.TBE vaccine may be considered for persons who might engage in outdoor activities in areas ticks are likely to be found.
+2 more
Source: CDC Travelers' Health
View Complete Health GuideUlaanbaatar Climate Data by Month
Historical temperature and precipitation averages
| Month | Avg High (°C) | Rain Probability (%) | Status |
|---|---|---|---|
| January | -13°C | 0% | ❄️ Cold |
| February | -8°C | 1% | ❄️ Cold |
| March | 1°C | 3% | ❄️ Cold |
| April | 9°C | 6% | Neutral |
| May | 16°C | 12% | 😊 Pleasant |
| June | 22°C | 20% | ✨ Perfect |
| July | 24°C | 23% | ✨ Perfect |
| August | 22°C | 24% | ✨ Perfect |
| September | 16°C | 14% | 😊 Pleasant |
| October | 7°C | 7% | Neutral |
| November | -4°C | 4% | ❄️ Cold |
| December | -12°C | 0% | ❄️ Cold |
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These destinations share similar weather patterns with Ulaanbaatar. Perfect alternatives if you're looking for the same climate in a different location.
Ulaanbaatar Weather FAQ
When is the best time to visit Ulaanbaatar?
Honestly, look for months with mild temperatures (20°C-25°C) and low rain chance. Based on historical data, May, June, July are usually great choices.
When is the hottest month in Ulaanbaatar?
July is historically the hottest month in Ulaanbaatar with average highs of 24°C.
When does it rain the most in Ulaanbaatar?
August typically sees the highest probability of rain (24%).
Is Ulaanbaatar expensive?
Prices vary by season. The "Perfect" weather months usually coincide with peak tourist season and higher prices, while the rainy or cold months offer better deals.