Ulaanbaatar
Mongolia
Long-term weather forecast
Long-term weather forecast

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
  • The 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).

  • The 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).

  • The 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%).

  • The 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).

  • The 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).

  • The 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).

  • The average daylight in December: 8h

Months with the longest days are June and July (Average daylight: 16h).
The month with shortest days is December (Average daylight: 8h).

  • The 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).

  • The 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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