January Weather in Ongon, Mongolia

Last updated: August 28, 2025

In January, the average temperature in Ongon, Mongolia plummets to -19°C (-2°F). The temperature can dip as low as -39°C (-39°F), with a peak experience of 0°C (33°F). Expect a modest precipitation of 3 mm (0.1 in) over just 1 day, coupled with a high average humidity of 89%. Stay warm!

January Temperature in Ongon

In January in Ongon, the average temperature is -19°C (-2°F), with a maximum that can reach 0°C (33°F) and a minimum that can drop as low as -39°C (-39°F). Travelers should be well-prepared for extremely cold weather conditions and ensure they have suitable clothing and gear for outdoor activities.

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

The chart illustrates January temperature patterns in Ongon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ongon, January typically has an average temperature of -19°C (-2°F), with highs reaching up to 0°C (33°F) and lows dropping to around -39°C (-39°F).

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

January Precipitation in Ongon

In Ongon in January, the precipitation amount is 3 mm (0.1 in) over the course of 1 day.

January Precipitation Trends in Ongon

The chart displays monthly precipitation patterns in Ongon, 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 Ongon, January typically receives around 3 mm (0.1 inches) of precipitation spread over approximately 1 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 Ongon

In Ongon in January, humidity is 89%. With an average temperature of -19°C (-2°F), this humidity makes traveling feel incredibly biting and sharp, as the cold air amplifies the chill factor, leaving you feeling even colder than the temperature suggests.

January Average Humidity in Ongon

This chart illustrates the average monthly humidity levels in Ongon, 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 Ongon 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 Ongon

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

Maximum UV Index Levels in Ongon for January

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

Data source: Ongon 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 Ongon Compares to Other Months

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

This table compares monthly weather conditions in Ongon, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-19°C (-2°F)	3 mm (0.1 inches)	89%	low
February Weather	-15°C (5°F)	6 mm (0.2 inches)	78%	moderate
March Weather	-5°C (24°F)	7 mm (0.3 inches)	66%	moderate
April Weather	4°C (39°F)	16 mm (0.6 inches)	64%	high
May Weather	11°C (52°F)	22 mm (0.9 inches)	52%	very high
June Weather	17°C (63°F)	33 mm (1.3 inches)	59%	very high
July Weather	19°C (67°F)	52 mm (2.1 inches)	63%	very high
August Weather	16°C (62°F)	78 mm (3.1 inches)	62%	very high
September Weather	11°C (52°F)	40 mm (1.6 inches)	65%	high
October Weather	1°C (34°F)	15 mm (0.6 inches)	65%	moderate
November Weather	-8°C (17°F)	12 mm (0.5 inches)	69%	moderate
December Weather	-18°C (1°F)	5 mm (0.2 inches)	86%	low