January Weather in Ulaanhudag, Mongolia

Last updated: August 28, 2025

In January, the average temperature in Ulaanhudag, Mongolia hovers around -18°C (1°F), making it a chilly destination. Expect temperatures to dip as low as -37°C (-34°F), while occasionally reaching a maximum of 1°C (33°F). With an average humidity level of 89%, the air tends to feel even colder. Precipitation is minimal, averaging only 2 mm (0.1 in) spread across 0 days of the month, allowing for plenty of clear skies.

January Temperature in Ulaanhudag

In January in Ulaanhudag, the average temperature is -18°C (1°F), with maximums reaching 1°C (33°F) and minimums plummeting to as low as -37°C (-34°F). Travelers should be prepared for extremely cold conditions during this time, so proper winter gear is essential.

January Weather in Ulaanhudag: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Ulaanhudag, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ulaanhudag, January typically has an average temperature of -18°C (1°F), with highs reaching up to 1°C (33°F) and lows dropping to around -37°C (-34°F).

Data source: Temperature data for Ulaanhudag generated using information from the Copernicus Climate Change Service.

January Precipitation in Ulaanhudag

In Ulaanhudag in January, the precipitation amount is 2 mm (0.1 in) during a span of 0 days.

January Precipitation Trends in Ulaanhudag

The chart displays monthly precipitation patterns in Ulaanhudag, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Ulaanhudag, January typically receives around 2 mm (0.1 inches) of precipitation spread over approximately 0 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

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January Humidity in Ulaanhudag

In Ulaanhudag in January humidity is 89%. With an average temperature of -18°C (1°F), this humidity feels like an oppressive chill that seeps into your bones, making travel uncomfortable and the air almost unbreathable.

January Average Humidity in Ulaanhudag

This chart illustrates the average monthly humidity levels in Ulaanhudag, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Ulaanhudag is approximately 89%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Ulaanhudag

In Ulaanhudag in January, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Ulaanhudag, you can visit Hourly UV Index in Ulaanhudag.

Maximum UV Index Levels in Ulaanhudag for January

The chart shows the monthly maximum UV Index (UVI) for Ulaanhudag in January, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In January, the maximum UV index in Ulaanhudag typically reaches 2, which falls under the low exposure category.

Data source: Ulaanhudag January UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How January Weather in Ulaanhudag Compares to Other Months

Weather in Ulaanhudag varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Ulaanhudag, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Ulaanhudag, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-18°C (1°F)	2 mm (0.1 inches)	89%	low
February Weather	-14°C (7°F)	5 mm (0.2 inches)	78%	moderate
March Weather	-4°C (25°F)	6 mm (0.2 inches)	66%	moderate
April Weather	4°C (40°F)	19 mm (0.7 inches)	64%	high
May Weather	11°C (53°F)	22 mm (0.9 inches)	52%	very high
June Weather	18°C (64°F)	40 mm (1.6 inches)	59%	very high
July Weather	20°C (68°F)	59 mm (2.3 inches)	63%	very high
August Weather	17°C (62°F)	82 mm (3.2 inches)	62%	very high
September Weather	11°C (53°F)	44 mm (1.7 inches)	65%	high
October Weather	2°C (35°F)	15 mm (0.6 inches)	65%	moderate
November Weather	-8°C (18°F)	11 mm (0.4 inches)	69%	moderate
December Weather	-16°C (3°F)	3 mm (0.1 inches)	86%	low