January Weather in Ongi, Mongolia

Last updated: August 28, 2025

In January, the average temperature in Ongi, Mongolia hovers around -19°C (-2°F), with extremes dropping to a chilling -38°C (-37°F) and occasionally reaching up to 0°C (32°F). Despite the cold, you'll experience minimal precipitation, averaging just 3 mm (0.1 in) over 0 days. The air is quite humid, with an average humidity of 89%, giving a crisp feel to the winter atmosphere.

January Temperature in Ongi

In January in Ongi, the average temperature is -19°C (-2°F). Maximums can reach 0°C (32°F), while minimums can drop as low as -38°C (-37°F). Travelers should be prepared for extremely cold conditions and dress warmly to fully enjoy their visit.

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

The chart illustrates January temperature patterns in Ongi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ongi, January typically has an average temperature of -19°C (-2°F), with highs reaching up to 0°C (32°F) and lows dropping to around -38°C (-37°F).

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

January Precipitation in Ongi

In Ongi in January, the precipitation amount is 3 mm (0.1 in) during a total of 0 days.

January Precipitation Trends in Ongi

The chart displays monthly precipitation patterns in Ongi, 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 Ongi, January typically receives around 3 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 Ongi

In Ongi 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 Ongi

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

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

Maximum UV Index Levels in Ongi for January

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

Data source: Ongi 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 Ongi Compares to Other Months

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

This table compares monthly weather conditions in Ongi, 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	-16°C (4°F)	9 mm (0.4 inches)	81%	moderate
March Weather	-7°C (20°F)	16 mm (0.6 inches)	72%	high
April Weather	1°C (33°F)	21 mm (0.8 inches)	69%	very high
May Weather	7°C (45°F)	31 mm (1.2 inches)	54%	very high
June Weather	12°C (54°F)	51 mm (2.0 inches)	60%	very high
July Weather	15°C (59°F)	100 mm (3.9 inches)	64%	very high
August Weather	12°C (54°F)	106 mm (4.2 inches)	65%	very high
September Weather	7°C (45°F)	35 mm (1.4 inches)	68%	high
October Weather	-2°C (29°F)	13 mm (0.5 inches)	68%	moderate
November Weather	-10°C (14°F)	8 mm (0.3 inches)	75%	moderate
December Weather	-17°C (1°F)	5 mm (0.2 inches)	89%	low