January weather forecast and climate
Ulaanbaatar, Mongolia

The valley city of Ulaanbaatar in Mongolia, with the distant view of the mountain ranges
The valley city of Ulaanbaatar in Mongolia, with the distant view of the mountain ranges
January, like December, is a polar cold winter month in Ulaanbaatar, Mongolia, with temperature in the range of an average low of -25.9°C (-14.6°F) and an average high of -15.6°C (3.9°F).

Temperature

January is the coldest month, with an average high-temperature of -15.6°C (3.9°F) and an average low-temperature of -25.9°C (-14.6°F).

Humidity

January and December, with an average relative humidity of 78%, are most humid months.

Rainfall

January is the month with the least rainfall in Ulaanbaatar, Mongolia. Rain falls for 0.1 days and accumulates 2mm (0.08") of precipitation.

Snowfall

January through December are months with snowfall. In Ulaanbaatar, during January, snow falls for 8 days. In Ulaanbaatar, during the entire year, snow falls for 58.9 days.

Daylight

In January, the average length of the day is 8.9h.

Sunshine

In January, the average sunshine in Ulaanbaatar is 5.8h.

UV index

January, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Ulaanbaatar, Mongolia. A UV Index estimate of 2, and below, represents a minimal health vulnerability from the exposure to the Sun's UV rays for ordinary individuals.
Note: In January, the average maximum UV index of 1 translate into the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the coldest month in Ulaanbaatar?

January is the coldest month in Ulaanbaatar, Mongolia, with an average high-temperature of -15.6°C (3.9°F) and an average low-temperature of -25.9°C (-14.6°F).

What is the temperature in January in Ulaanbaatar?

In January, in Ulaanbaatar, Mongolia, the average high-temperature is -15.6°C (3.9°F), and the average low-temperature is -25.9°C (-14.6°F).

What is the most humid month in Ulaanbaatar?

Months with the highest humidity in Ulaanbaatar, Mongolia, are January and December, with an average relative humidity of 78%.

What is the average humidity in January in Ulaanbaatar?

In Ulaanbaatar, the average relative humidity in January is 78%.

How many days does it rain in January in Ulaanbaatar?

In Ulaanbaatar, Mongolia, in January, it is raining for 0.1 days, with typically 2mm (0.08") of accumulated precipitation.

What is the driest month in Ulaanbaatar?

January is the month with the least rainfall. Rain falls for 0.1 days and accumulates 2mm (0.08") of precipitation.

How many days does it snow in January in Ulaanbaatar?

In Ulaanbaatar, Mongolia, during January, snow falls for 8 days.

How many hours of daylight does Ulaanbaatar have in January?

In January, the average length of the day in Ulaanbaatar, Mongolia, is 8.9h.

How many hours of sunshine does Ulaanbaatar have in January?

In Ulaanbaatar, Mongolia, the average sunshine in January is 5.8h.

When is the lowest UV index in Ulaanbaatar?

Months with the lowest UV index in Ulaanbaatar are January, November and December, with an average maximum UV index of 1.

What is the UV index reading in January in Ulaanbaatar?

The average daily maximum UV index in January is 1. A UV Index estimate of 2, and below, represents a low health threat from the exposure to the Sun's UV rays.
Average temperature in January - Ulaanbaatar, Mongolia
  • Average high temperature in January: -15.6°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 January: -25.9°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 January - Ulaanbaatar, Mongolia
  • Average humidity in January: 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 January - Ulaanbaatar, Mongolia
  • Average rainfall in January: 2mm

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

Average rainfall days in January - Ulaanbaatar, Mongolia
  • Average rainfall days in January: 0.1 days

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

Average snowfall days in January - Ulaanbaatar, Mongolia
  • Average snowfall days in January: 8 days

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

Average daylight in January / Average sunshine in January - Ulaanbaatar, Mongolia
  • Average daylight in January: 8.9h

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

  • Average sunshine in January: 5.8h

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

Average UV index in January - Ulaanbaatar, Mongolia
  • Average UV index in January: 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).