December Weather in Uldz, Mongolia

Last updated: August 28, 2025

In December, the average temperature in Uldz, Mongolia is a chilly -18°C (0°F). Expect extremes ranging from a frigid -39°C (-37°F) at minimum to a slightly more tolerable -1°C (31°F) at maximum. The month brings a modest precipitation of just 3 mm (0.1 in) over the course of 0 days, while the air remains notably damp with an average humidity of 90%.

December Temperature in Uldz

In December in Uldz, the average temperature is -18°C (0°F). The maximum can reach -1°C (31°F), while the minimum can drop as low as -39°C (-37°F). Travelers should be prepared for extreme cold conditions during this time.

December Weather in Uldz: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Uldz, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Uldz, December typically has an average temperature of -18°C (0°F), with highs reaching up to -1°C (31°F) and lows dropping to around -39°C (-37°F).

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

December Precipitation in Uldz

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

December Precipitation Trends in Uldz

The chart displays monthly precipitation patterns in Uldz, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Uldz, December typically receives around 3 mm (0.1 inches) of precipitation spread over approximately 0 days.

Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

December Humidity in Uldz

In Uldz in December, humidity is 90%. With an average temperature of -18°C (0°F), this humidity feels like a biting chill that seeps through layers of clothing, making travel uncomfortable and requiring extra preparation to handle the oppressive cold.

December Average Humidity in Uldz

This chart illustrates the average monthly humidity levels in Uldz, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Uldz is approximately 90%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Uldz

In Uldz in December, the maximum UV index is 1, which corresponds to a low Exposure Category. This means you have a time to burn of 45 minutes. For more details, you can check the Hourly UV Index in Uldz.

Maximum UV Index Levels in Uldz for December

The chart shows the monthly maximum UV Index (UVI) for Uldz in December, 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 December, the maximum UV index in Uldz typically reaches 1, which falls under the low exposure category.

Data source: Uldz December 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 December Weather in Uldz Compares to Other Months

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

This table compares monthly weather conditions in Uldz, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-21°C (-5°F)	2 mm (0.1 inches)	92%	low
February Weather	-17°C (1°F)	6 mm (0.2 inches)	86%	moderate
March Weather	-6°C (22°F)	6 mm (0.2 inches)	72%	moderate
April Weather	4°C (39°F)	16 mm (0.6 inches)	67%	high
May Weather	11°C (52°F)	33 mm (1.3 inches)	69%	very high
June Weather	17°C (63°F)	55 mm (2.1 inches)	67%	very high
July Weather	19°C (67°F)	104 mm (4.1 inches)	79%	very high
August Weather	16°C (61°F)	92 mm (3.6 inches)	79%	very high
September Weather	11°C (52°F)	47 mm (1.8 inches)	82%	high
October Weather	1°C (34°F)	22 mm (0.9 inches)	79%	moderate
November Weather	-10°C (15°F)	6 mm (0.3 inches)	81%	low
December Weather	-18°C (0°F)	3 mm (0.1 inches)	90%	low