Climate and monthly weather forecast
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

Weather in January

January, the same as December, in Ulaanbaatar, Mongolia, is another arctic cold winter month, 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). The coldest month is January, with an average high-temperature of -15.6°C (3.9°F) and an average low-temperature of -25.9°C (-14.6°F). Weather in January »

Weather in February

February, the last month of the winter in Ulaanbaatar, is a subzero cold month, with an average temperature fluctuating between -22.2°C (-8°F) and -9.6°C (14.7°F). In February, the average high-temperature rises from an arctic cold -15.6°C (3.9°F) in January to a freezing cold -9.6°C (14.7°F). Weather in February »

Weather in March

The first month of the spring, March, is still a freezing cold month in Ulaanbaatar, Mongolia, with an average temperature varying between -0.7°C (30.7°F) and -13.6°C (7.5°F). In Ulaanbaatar, Mongolia, the average high-temperature in March significantly increases from -9.6°C (14.7°F) in February to a still freezing cold -0.7°C (30.7°F). Weather in March »

Weather in April

April in Ulaanbaatar, Mongolia, is a chilly spring month, with temperature in the range of an average low of -4.3°C (24.3°F) and an average high of 9.7°C (49.5°F). In April, the average high-temperature increases considerably from a freezing cold -0.7°C (30.7°F) in March to a chilly 9.7°C (49.5°F). Weather in April »

Weather in May

The last month of the spring, May, is a comfortable month in Ulaanbaatar, Mongolia, with an average temperature ranging between max 17.8°C (64°F) and min 3.3°C (37.9°F). In May, the average high-temperature soars, from a chilly 9.7°C (49.5°F) in April, to an enjoyable 17.8°C (64°F). Weather in May »

Weather in June

The first month of the summer, June, is an agreeable month in Ulaanbaatar, Mongolia, with an average temperature fluctuating between 22.5°C (72.5°F) and 9.6°C (49.3°F). In June, the average high-temperature marginally rises from a comfortable 17.8°C (64°F) in May to a pleasant 22.5°C (72.5°F). Weather in June »

Weather in July

July in Ulaanbaatar, Mongolia, is a warm summer month, with an average temperature fluctuating between 24.5°C (76.1°F) and 12.9°C (55.2°F). With an average high-temperature of 24.5°C (76.1°F) and an average low-temperature of 12.9°C (55.2°F), July is the warmest month. Weather in July »

Weather in August

August, the last month of the summer in Ulaanbaatar, is another pleasant month, with temperature in the range of an average high of 22.3°C (72.1°F) and an average low of 10.6°C (51.1°F). In Ulaanbaatar, Mongolia, the average high-temperature in August is essentially the same as in July - a pleasant 22.3°C (72.1°F). Weather in August »

Weather in September

September, the first month of the autumn in Ulaanbaatar, is also an enjoyable month, with an average temperature varying between 3.6°C (38.5°F) and 16.7°C (62.1°F). In Ulaanbaatar, the average high-temperature in September decreases from an agreeable 22.3°C (72.1°F) in August to a comfortable 16.7°C (62.1°F). Weather in September »

Weather in October

October, like September, is a frosty autumn month in Ulaanbaatar, Mongolia, with an average temperature ranging between min -4.8°C (23.4°F) and max 7.6°C (45.7°F). In October, the average high-temperature significantly decreases from a comfortable 16.7°C (62.1°F) in September to a frosty 7.6°C (45.7°F). Weather in October »

Weather in November

November, the last month of the autumn in Ulaanbaatar, is another freezing cold month, with an average temperature ranging between max -5°C (23°F) and min -15.7°C (3.7°F). In November, the average high-temperature plummets from a frosty 7.6°C (45.7°F) in October to a freezing cold -5°C (23°F). Weather in November »

Weather in December

The first month of the winter, December, is still an extremely cold month in Ulaanbaatar, Mongolia, with an average temperature fluctuating between -22.9°C (-9.2°F) and -13.5°C (7.7°F). In December, the average high-temperature significantly decreases from a freezing cold -5°C (23°F) in November to an extremely cold -13.5°C (7.7°F). Weather in December »
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FAQ

What is the coldest month in Ulaanbaatar?

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

What are the most humid months in Ulaanbaatar?

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

What is the driest month in Ulaanbaatar?

The month with the least rainfall in Ulaanbaatar, Mongolia, is January, when the rain falls for 0.1 days and typically collects 2mm (0.08") of precipitation.

How many days does it rain in Ulaanbaatar?

Throughout the year, in Ulaanbaatar, Mongolia, there are 62.7 rainfall days, and 267mm (10.51") of precipitation is accumulated.

When does it snow in Ulaanbaatar?

Months with snowfall are January through December.

How many days does it snow in Ulaanbaatar?

Throughout the year, in Ulaanbaatar, there are 58.9 snowfall days.

What are the months with the lowest UV index in Ulaanbaatar?

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

What is the least humid month in Ulaanbaatar?

With an average relative humidity of 46%, May is the least humid month in Ulaanbaatar, Mongolia.

What month has the most sunshine in Ulaanbaatar?

May has the most sunshine of the year in Ulaanbaatar, with an average of 9.7h of sunshine.

When are the longest days in Ulaanbaatar?

With an average of 15h and 58min of daylight, June has the longest days of the year in Ulaanbaatar.

What are the months with the highest UV index in Ulaanbaatar?

June and July, with an average maximum UV index of 8, are months with the highest UV index in Ulaanbaatar.

What is the warmest month in Ulaanbaatar?

July is the warmest month, with an average high-temperature of 24.5°C (76.1°F) and an average low-temperature of 12.9°C (55.2°F).

When it does not snow in Ulaanbaatar?

Month with the least snowfall days in Ulaanbaatar is July, when snow falls for 0.2 days.

What is the rainiest month in Ulaanbaatar?

The month with the most rainfall in Ulaanbaatar, Mongolia, is August, when the rain falls for 14 days and typically aggregates up to 70mm (2.76") of precipitation.

What is the snowiest month in Ulaanbaatar?

December has the most snowfall days of the year in Ulaanbaatar, Mongolia. Snow falls for 10 days.

What is the month with the shortest days in Ulaanbaatar?

December has the shortest days of the year in Ulaanbaatar, with an average of 8h and 28min of daylight.

Is there Daylight Saving Time (DST) in Ulaanbaatar?

Ulaanbaatar does not observe Daylight Saving Time (DST). +08 timezone is used throughout the entire year.

What is the month with the least sunshine in Ulaanbaatar?

December has the least sunshine of the year in Ulaanbaatar, Mongolia, with an average of 5h of sunshine.

Average temperature
Ulaanbaatar, Mongolia

Average temperature - Ulaanbaatar, Mongolia

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 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).

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Average humidity
Ulaanbaatar, Mongolia

Average humidity - Ulaanbaatar, Mongolia

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

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Average rainfall
Ulaanbaatar, Mongolia

Average rainfall - Ulaanbaatar, Mongolia

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

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Average rainfall days
Ulaanbaatar, Mongolia

Average rainfall days - Ulaanbaatar, Mongolia

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

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Average snowfall days
Ulaanbaatar, Mongolia

Average snowfall days - Ulaanbaatar, Mongolia

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).

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Average daylight / Average sunshine
Ulaanbaatar, Mongolia

Average daylight / Average sunshine - Ulaanbaatar, Mongolia

The month with the longest days is June (Average daylight: 15h and 58min).
The month with the shortest days is December (Average daylight: 8h and 28min).

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

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Average UV index
Ulaanbaatar, Mongolia

Average UV index - Ulaanbaatar, Mongolia

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

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