January Weather in Ulan, China

Last updated: August 22, 2025

In January, the average temperature in Ulan, China hovers around -8°C (18°F), with extremes ranging from a chilly -25°C (-12°F) to a relatively mild 8°C (47°F). Precipitation is minimal, with only 2 mm (0.1 in) expected over 0 days, contributing to an average humidity level of 62%. Prepare for a brisk month!

January Temperature in Ulan

In January in Ulan, the average temperature is -8°C (18°F). Maximum temperatures can reach up to 8°C (47°F), while minimums can drop as low as -25°C (-12°F). Travelers should prepare for cold weather conditions and dress warmly if visiting during this time.

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

The chart illustrates January temperature patterns in Ulan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ulan, January typically has an average temperature of -8°C (18°F), with highs reaching up to 8°C (47°F) and lows dropping to around -25°C (-12°F).

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

January Precipitation in Ulan

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

January Precipitation Trends in Ulan

The chart displays monthly precipitation patterns in Ulan, 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 Ulan, 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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Millimeters (mm) Inches (in)

January Humidity in Ulan

In Ulan in January, humidity is 62%. With an average temperature of -8°C (18°F), this humidity feels like a biting chill that seeps through layers of clothing, making outdoor activities feel even more brisk and invigorating for travelers.

January Average Humidity in Ulan

This chart illustrates the average monthly humidity levels in Ulan, 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 Ulan is approximately 62%, 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 Ulan

In Ulan in January, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Ulan, you can check the information here.

Maximum UV Index Levels in Ulan for January

The chart shows the monthly maximum UV Index (UVI) for Ulan 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 Ulan typically reaches 3, which falls under the moderate exposure category.

Data source: Ulan 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 Ulan Compares to Other Months

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

This table compares monthly weather conditions in Ulan, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-8°C (18°F)	2 mm (0.1 inches)	62%	moderate
February Weather	-4°C (25°F)	6 mm (0.3 inches)	60%	moderate
March Weather	4°C (40°F)	11 mm (0.5 inches)	54%	high
April Weather	11°C (51°F)	22 mm (0.9 inches)	63%	very high
May Weather	16°C (61°F)	26 mm (1.0 inches)	44%	extreme
June Weather	21°C (70°F)	50 mm (2.0 inches)	49%	extreme
July Weather	23°C (74°F)	45 mm (1.8 inches)	45%	extreme
August Weather	21°C (70°F)	59 mm (2.3 inches)	51%	extreme
September Weather	16°C (61°F)	47 mm (1.8 inches)	53%	very high
October Weather	8°C (46°F)	30 mm (1.2 inches)	62%	high
November Weather	1°C (34°F)	6 mm (0.3 inches)	62%	moderate
December Weather	-7°C (19°F)	3 mm (0.1 inches)	68%	low