Ulaanbaatar (Ulan Bator)
December
Weather in Ulaanbaatar for December 2025
Your guide to Ulaanbaatar weather in December - trends and predictions
Ulaanbaatar typically experiences moderate snowfall in December, with an average of 8 snowy days.
In general, the average temperature in Ulaanbaatar at the beginning of December is -10 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of -13.9 °C by the end of December.
Snow Forecast ❄️
Temperatures
22
Dry days
1
Rainy days
8
Snow days
-16°/-23°
Temperatures
9 km/h
Avg max wind
88 %
Avg humidity
Ulaanbaatar in December average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  -13° | 2  -9° | 3  -9° | 4  -8° | 5  -12° | 6 -12° | 7 -7° |
| 8  -14° | 9 -14° | 10  -15° | 11 -15° | 12 -17° | 13  -16° | 14 -17° |
| 15 -19° | 16  -18° | 17 -15° | 18 -16° | 19 -21° | 20 -21° | 21 -16° |
| 22 -15° | 23  -14° | 24  -14° | 25 -15° | 26 -15° | 27 -15° | 28 -12° |
| 29 -11° | 30 -14° | 31 -15° |
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Temperatures trend during December in Ulaanbaatar
See the weather trend as well as the moving average line
December weather day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Dec. | Sunny | -13° /-18° | 0 mm | 0 cm | |
| 2 Dec. | Overcast | -9° /-16° | 0 mm | 0 cm | |
| 3 Dec. | Partly cloudy | -9° /-17° | 0 mm | 0 cm | |
| 4 Dec. | Patchy light snow | -8° /-16° | 0.3 mm | 0.2 cm | |
| 5 Dec. | Patchy moderate snow | -12° /-19° | 0.7 mm | 0.5 cm | |
| 6 Dec. | Overcast | -12° /-18° | 0 mm | 0 cm | |
| 7 Dec. | Light snow | -7° /-20° | 0.1 mm | 0 cm | |
| 8 Dec. | Freezing fog | -14° /-21° | 0 mm | 0 cm | |
| 9 Dec. | Partly cloudy | -14° /-22° | 0 mm | 0 cm | |
| 10 Dec. | Moderate snow | -15° /-21° | 0.4 mm | 0.4 cm | |
| 11 Dec. | Light snow | -15° /-21° | 0.5 mm | 0.3 cm | |
| 12 Dec. | Freezing fog | -17° /-23° | 0 mm | 0 cm | |
| 13 Dec. | Heavy snow | -16° /-22° | 1.3 mm | 1.1 cm | |
| 14 Dec. | Light snow | -17° /-24° | 0.3 mm | 0.2 cm | |
| 15 Dec. | Freezing fog | -19° /-25° | 0 mm | 0 cm | |
| 16 Dec. | Mist | -18° /-24° | 0 mm | 0 cm | |
| 17 Dec. | Overcast | -15° /-22° | 0 mm | 0 cm | |
| 18 Dec. | Mist | -16° /-24° | 0.1 mm | 0 cm | |
| 19 Dec. | Freezing fog | -21° /-27° | 0.1 mm | 0 cm | |
| 20 Dec. | Mist | -21° /-27° | 0 mm | 0 cm | |
| 21 Dec. | Overcast | -16° /-24° | 0 mm | 0 cm | |
| 22 Dec. | Partly cloudy | -15° /-23° | 0 mm | 0 cm | |
| 23 Dec. | Cloudy | -14° /-22° | 0 mm | 0 cm | |
| 24 Dec. | Light freezing rain | -14° /-21° | 0.9 mm | 0.3 cm | |
| 25 Dec. | Light freezing rain | -15° /-22° | 1.1 mm | 0 cm | |
| 26 Dec. | Light freezing rain | -15° /-22° | 0.2 mm | 0 cm | |
| 27 Dec. | Partly cloudy | -15° /-21° | 0 mm | 0 cm | |
| 28 Dec. | Overcast | -12° /-20° | 0 mm | 0 cm | |
| 29 Dec. | Sunny | -11° /-21° | 0.9 mm | 0.7 cm | |
| 30 Dec. | Overcast | -14° /-21° | 0 mm | 0 cm | |
| 31 Dec. | Overcast | -15° /-22° | 0 mm | 0 cm | |
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Important Notice
Our weather forecast for Ulaanbaatar in December is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Ulaanbaatar forecast closer to your planned date for the most up-to-date weather information.
Ulaanbaatar in December - FAQ
What are the expected maximum and minimum temperatures in Ulaanbaatar during December?
Brace for cold days with temperatures not exceeding -16° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Ulaanbaatar during December?
Rainfall in Ulaanbaatar during December is rare to nonexistent, with the total expected rainfall being less than 10 mm and approximately 1 days seeing any precipitation. Planning without the concern for rain is generally straightforward during this very dry period.
Will it snow in Ulaanbaatar in December 2025?
Ulaanbaatar experiences an average snowfall of 5.25 cm during December, occurring over 8 days.
What are the typical wind conditions in Ulaanbaatar during December?
The average wind speed in Ulaanbaatar during December is 9 km/h, suggesting breezy to windy conditions, depending on your activities.
Ulaanbaatar snow forecast December 2025
Track daily snowfall levels and discover Ulaanbaatar’s snowy potential this December ❄️
December rainfall patterns in Ulaanbaatar
Explore the daily rainfall trends and prepare for Ulaanbaatars December weather 💧
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