December weather forecast and climate
Ulaanbaatar, Mongolia

The valley city of Ulaanbaatar in Mongolia, viewed from above, with the distant view of the mountain ranges
The valley city of Ulaanbaatar in Mongolia, viewed from above, with the distant view of the mountain ranges

What is the temperature in December in Ulaanbaatar?

In Ulaanbaatar, in December, the average high-temperature is -13.5°C (7.7°F), and the average low-temperature is -22.9°C (-9.2°F).

How many days does it rain in December in Ulaanbaatar?

In December, the rain falls for 0.2 days. Throughout December, 4mm (0.2") of precipitation is accumulated.

How many days does it snow in December in Ulaanbaatar?

In December, snow falls for 10 days.

When does it snow the most in Ulaanbaatar?

The month with the most snowfall days in Ulaanbaatar, Mongolia, is December when snow falls for 10 days.
Average temperature in December - Ulaanbaatar, Mongolia
  • Average high temperature in December: -13.5°C

The warmest month (with the highest average high temperature) is July (24.5°C).
The month with the lowest average high temperature is January (-15.6°C).

  • Average low temperature in December: -22.9°C

The month with the highest average low temperature is July (12.9°C).
The coldest month (with the lowest average low temperature) is January (-25.9°C).

Average humidity in December - Ulaanbaatar, Mongolia
  • Average humidity in December: 78%

Months with the highest relative humidity are January and December (78%).
The month with the lowest relative humidity is May (46%).

Average rainfall in December - Ulaanbaatar, Mongolia
  • Average rainfall in December: 4mm

The wettest month (with the highest rainfall) is August (70mm).
The driest month (with the lowest rainfall) is January (2mm).

Average rainfall days in December - Ulaanbaatar, Mongolia
  • Average rainfall days in December: 0.2 days

The month with the highest number of rainy days is July (16 days).
The month with the lowest number of rainy days is February (0 days).

Average snowfall days in December - Ulaanbaatar, Mongolia
  • Average snowfall days in December: 10 days

The month with the highest number of snowfall days is December (10 days).
The month with the lowest number of snowfall days is July (0.2 days).

Average daylight in December / Average sunshine in December - Ulaanbaatar, Mongolia
  • Average daylight in December: 8.5h

The month with the longest days is June (Average daylight: 16h).
The month with shortest days is December (Average daylight: 8.5h).

  • Average sunshine in December: 5h

The month with most sunshine is May (Average sunshine: 9.7h).
The month with least sunshine is December (Average sunshine: 5h).

Average UV index in December - Ulaanbaatar, Mongolia
  • Average UV index in December: 1

Months with the highest UV index are June and July (UV index 8).
Months with the lowest UV index are January, November and December (UV index 1).

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