January Weather in Ulaantolgoy, Mongolia

Last updated: August 28, 2025

In January, the average temperature in Ulaantolgoy, Mongolia plummets to a chilling -23°C (-8°F). Expect extreme variations, with temperatures ranging from a bone-numbing -43°C (-45°F) to a surprisingly milder -4°C (25°F). During this frosty month, the area receives a mere 4 mm (0.2 in) of precipitation over 0 days, while the air remains saturated with humidity at 97%.

January Temperature in Ulaantolgoy

In January in Ulaantolgoy, the average temperature is -23°C (-8°F), with maximums reaching -4°C (25°F) and minimums plummeting as low as -43°C (-45°F). Visitors should prepare for extremely cold weather and dress warmly when traveling to this destination during the winter months.

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

The chart illustrates January temperature patterns in Ulaantolgoy, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ulaantolgoy, January typically has an average temperature of -23°C (-8°F), with highs reaching up to -4°C (25°F) and lows dropping to around -43°C (-45°F).

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

January Precipitation in Ulaantolgoy

In Ulaantolgoy in January, the precipitation amount is 4 mm (0.2 in) over the course of 0 days.

January Precipitation Trends in Ulaantolgoy

The chart displays monthly precipitation patterns in Ulaantolgoy, 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 Ulaantolgoy, January typically receives around 4 mm (0.2 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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Millimeters (mm) Inches (in)

January Humidity in Ulaantolgoy

In Ulaantolgoy in January, humidity is 97%. With an average temperature of -23°C (-8°F), this humidity feels like an icy blanket that clings to your skin, making even brief outdoor excursions feel like a battle against the elements.

January Average Humidity in Ulaantolgoy

This chart illustrates the average monthly humidity levels in Ulaantolgoy, 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 Ulaantolgoy is approximately 97%, 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 Ulaantolgoy

In Ulaantolgoy 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 Ulaantolgoy, you can visit Hourly UV Index in Ulaantolgoy.

Maximum UV Index Levels in Ulaantolgoy for January

The chart shows the monthly maximum UV Index (UVI) for Ulaantolgoy 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 Ulaantolgoy typically reaches 2, which falls under the low exposure category.

Data source: Ulaantolgoy 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 Ulaantolgoy Compares to Other Months

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

This table compares monthly weather conditions in Ulaantolgoy, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-23°C (-8°F)	4 mm (0.2 inches)	97%	low
February Weather	-19°C (-1°F)	4 mm (0.2 inches)	94%	moderate
March Weather	-8°C (17°F)	11 mm (0.4 inches)	87%	high
April Weather	1°C (34°F)	19 mm (0.7 inches)	67%	very high
May Weather	6°C (44°F)	38 mm (1.5 inches)	45%	very high
June Weather	12°C (54°F)	49 mm (1.9 inches)	42%	very high
July Weather	14°C (57°F)	58 mm (2.3 inches)	46%	very high
August Weather	12°C (54°F)	71 mm (2.8 inches)	52%	very high
September Weather	6°C (43°F)	22 mm (0.9 inches)	54%	high
October Weather	-3°C (28°F)	7 mm (0.3 inches)	63%	moderate
November Weather	-11°C (12°F)	6 mm (0.2 inches)	81%	moderate
December Weather	-20°C (-4°F)	4 mm (0.1 inches)	95%	low