January Weather in Ulaan-Ereg, Mongolia

Last updated: August 28, 2025

In January, the average temperature in Ulaan-Ereg, Mongolia hovers around -20°C (-4°F). You can expect minimums plummeting to -40°C (-41°F) and rare maximums reaching -2°C (28°F). With an average humidity of 90%, the air feels crisp and biting, and precipitation is minimal, totaling just 2 mm (0.1 in) over 0 days. Prepare for a truly chilly experience!

January Temperature in Ulaan-Ereg

In January in Ulaan-Ereg, the average temperature is -20°C (-4°F). The maximum can reach -2°C (28°F), while the minimum can dip to as low as -40°C (-41°F). It's essential to pack warm clothing and be prepared for extreme cold if you're planning to visit during this time.

January Weather in Ulaan-Ereg: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Ulaan-Ereg, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ulaan-Ereg, January typically has an average temperature of -20°C (-4°F), with highs reaching up to -2°C (28°F) and lows dropping to around -40°C (-41°F).

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

January Precipitation in Ulaan-Ereg

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

January Precipitation Trends in Ulaan-Ereg

The chart displays monthly precipitation patterns in Ulaan-Ereg, 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 Ulaan-Ereg, 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 Ulaan-Ereg

In Ulaan-Ereg in January, humidity is 90%. With an average temperature of -20°C (-4°F), this humidity feels like an icy mist clinging to your skin, making travel uncomfortable and the air seem even colder as it penetrates through your layers.

January Average Humidity in Ulaan-Ereg

This chart illustrates the average monthly humidity levels in Ulaan-Ereg, 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 Ulaan-Ereg is approximately 90%, 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 Ulaan-Ereg

In Ulaan-Ereg 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 Ulaan-Ereg, you can visit Hourly UV Index in Ulaan-Ereg.

Maximum UV Index Levels in Ulaan-Ereg for January

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

Data source: Ulaan-Ereg 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 Ulaan-Ereg Compares to Other Months

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

This table compares monthly weather conditions in Ulaan-Ereg, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-20°C (-4°F)	2 mm (0.1 inches)	90%	low
February Weather	-16°C (4°F)	3 mm (0.1 inches)	80%	moderate
March Weather	-3°C (26°F)	3 mm (0.1 inches)	64%	moderate
April Weather	5°C (42°F)	8 mm (0.3 inches)	59%	high
May Weather	12°C (55°F)	16 mm (0.6 inches)	52%	very high
June Weather	19°C (67°F)	27 mm (1.0 inches)	53%	very high
July Weather	21°C (71°F)	56 mm (2.2 inches)	59%	very high
August Weather	18°C (64°F)	74 mm (2.9 inches)	61%	very high
September Weather	12°C (54°F)	26 mm (1.0 inches)	67%	high
October Weather	2°C (35°F)	12 mm (0.5 inches)	67%	moderate
November Weather	-9°C (17°F)	8 mm (0.3 inches)	67%	moderate
December Weather	-18°C (1°F)	3 mm (0.1 inches)	88%	low