Ulaanbaatar, Mongolia Weather

Ulaanbaatar,  Weather
(Photo by Sarah Lachise on Unsplash)

Current conditions

Updated:
-34°C
-29.2°F
°C °F

Condition: Partly Cloudy

Pressure: 871 hPa

Feel like: -39 °C

Temperature: -34°C

Cloud: 63%

Humidity: 78%

Wind: E - 6 km/h

Visibility: 24.14 km

Weather forecast

Thu
11 Dec
-31°C / -17°C
Snow Fall Slight
Fri
12 Dec
-33°C / -22°C
Partly Cloudy
Sat
13 Dec
-29°C / -19°C
Overcast
Sun
14 Dec
-27°C / -13°C
Overcast
Mon
15 Dec
-16°C / -10°C
Mainly Clear
Hourly forecast today:
20:00 PM
-36° / -34°
-36° / -34°
Partly Cloudy
78% 8 km/h
21:00 PM
-36° / -33°
-36° / -33°
Partly Cloudy
77% 9 km/h
22:00 PM
-35° / -32°
-35° / -32°
Overcast
77% 9 km/h
23:00 PM
-34° / -31°
-34° / -31°
Overcast
76% 7 km/h
00:00 AM
-32° / -29°
-32° / -29°
Overcast
75% 7 km/h
01:00 AM
-30° / -27°
-30° / -27°
Overcast
75% 7 km/h
02:00 AM
-27° / -24°
-27° / -24°
Overcast
75% 7 km/h
03:00 AM
-24° / -20°
-24° / -20°
Overcast
74% 6 km/h
04:00 AM
-19° / -16°
-19° / -16°
Overcast
74% 7 km/h
05:00 AM
-18° / -14°
-18° / -14°
Overcast
67% 11 km/h
06:00 AM
-18° / -13°
-18° / -13°
Overcast
65% 15 km/h

30 Day Averages and Extremes

  • Average high -15.03°C
  • Average low -26.63°C
  • Hottest day -5°C (27 November 2025)
  • Coldest day -39°C (01 December 2025)
  • Average humidity 78.13%
  • Days with precipitation 16 days
  • Highest precipitation 22 mm (27 November 2025)

Yesterday's Data

  • Max: -17°C
  • Min: -34°C
  • Total Precipitation: 0 mm

Temperature and possibility of rain in Ulaanbaatar over the next 12 hours

Temperature and possibility of rain in Ulaanbaatar in the coming days

Rainfall in Ulaanbaatar in the coming days

Ulaanbaatar Climate Summary

Ulaanbaatar features a Mid-latitude steppe (Köppen classification: BSk), with an average annual temperature of -0.88ºC (30.42ºF), which is about -2.1% lower than the national average for Mongolia. Annually, the city experiences approximately 38.13 millimeters (1.5 inches) of rainfall, spread across 72.63 rainy days, accounting for 19.9% of the year.

Longitude 47.8863988
Latitude 106.9057439
Yearly high temperature 3.19ºC (37.74ºF)
Yearly low temperature -6.12ºC (20.98ºF)
Hottest month June 19.98ºC (67.96ºF)
Coldest month January -27.02ºC (-16.64ºF)
Yearly precip 38.13mm (1.5in)
Days with rainfall 72.63 days (19.9%)
Driest month January (86.14%)
Wettest month July (58.97%)

Weather averages by month

Month High / Low (°C) Rain
January -16.95° / -27.02° 0.45 days
February -13.91° / -25.63° 1.45 days
March -4.89° / -15.83° 3.18 days
April 5.71° / -3.31° 5.0 days
May 13.44° / 3.52° 7.27 days
June 19.98° / 10.34° 12.64 days
July 22.08° / 12.95° 15.09 days
August 19.76° / 10.63° 13.0 days
September 13.33° / 4.49° 6.64 days
October 3.24° / -4.28° 3.91 days
November -7.99° / -15.51° 3.0 days
December -15.55° / -23.82° 1.0 days

Frequently asked questions

1. What is the hottest month in Ulaanbaatar?

June has the highest average monthly temperature (daily mean of 19.98ºC) and January are the coolest (daily mean of -27.02ºC).

2. What should I wear in Ulaanbaatar today?

For today's frigid weather in Ulaanbaatar, with low temperatures at -13ºC (8.6ºF), it's crucial to dress in warm, insulated layers. You should consider wearing:
- Waterproof and insulated boots
- Beanie or thermal hat
- Fleece or wool sweater
- Scarf or neck gaiter

Temperature

Early
-25°C / -23°C
Morning
-24°C / -22°C
Afternoon
-37°C / -34°C
Evening
-36°C / -33°C

Air quality

Unhealthy

Unhealthy air quality, health risks for all, emergency conditions possible

  • CO2 473
  • CO 1,225
  • NH3 0
  • NO2 50
  • O3 21
  • PM10 61
  • PM25 59
  • SO2 6
  • CH4 1,620

Sunrise / Sunset

00:31
09:00