December Weather in Sumiyn Bulag, Mongolia

Last updated: August 28, 2025

In December, the average temperature in Sumiyn Bulag, Mongolia hovers around -17°C (2°F). While you may experience chilling lows of -31°C (-24°F), the temperatures can occasionally rise to a maximum of 3°C (38°F). Precipitation is minimal, with just 3 mm (0.1 in) falling over the course of 0 days, and the air remains quite humid, boasting an average humidity of 84%.

December Temperature in Sumiyn Bulag

In December in Sumiyn Bulag, the average temperature is -17°C (2°F), with maximums reaching up to 3°C (38°F) and minimums plummeting as low as -31°C (-24°F). Travelers should prepare for extremely cold conditions and dress accordingly to enjoy their visit.

December Weather in Sumiyn Bulag: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Sumiyn Bulag, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sumiyn Bulag, December typically has an average temperature of -17°C (2°F), with highs reaching up to 3°C (38°F) and lows dropping to around -31°C (-24°F).

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

December Precipitation in Sumiyn Bulag

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

December Precipitation Trends in Sumiyn Bulag

The chart displays monthly precipitation patterns in Sumiyn Bulag, 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 Sumiyn Bulag, 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 Sumiyn Bulag

In Sumiyn Bulag in December humidity is 84%. With an average temperature of -17°C (2°F), this humidity feels like a biting chill that permeates your clothes, making it essential to bundle up tightly before venturing outside.

December Average Humidity in Sumiyn Bulag

This chart illustrates the average monthly humidity levels in Sumiyn Bulag, 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 Sumiyn Bulag is approximately 84%, 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 Sumiyn Bulag

In Sumiyn Bulag 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 Sumiyn Bulag.

Maximum UV Index Levels in Sumiyn Bulag for December

The chart shows the monthly maximum UV Index (UVI) for Sumiyn Bulag 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 Sumiyn Bulag typically reaches 1, which falls under the low exposure category.

Data source: Sumiyn Bulag 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 Sumiyn Bulag Compares to Other Months

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

This table compares monthly weather conditions in Sumiyn Bulag, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-19°C (-2°F)	2 mm (0.1 inches)	91%	low
February Weather	-16°C (4°F)	7 mm (0.3 inches)	82%	low
March Weather	-5°C (22°F)	9 mm (0.4 inches)	66%	moderate
April Weather	5°C (40°F)	12 mm (0.5 inches)	60%	high
May Weather	12°C (55°F)	34 mm (1.3 inches)	66%	very high
June Weather	19°C (66°F)	47 mm (1.8 inches)	64%	very high
July Weather	21°C (70°F)	104 mm (4.1 inches)	75%	very high
August Weather	18°C (64°F)	97 mm (3.8 inches)	77%	very high
September Weather	12°C (55°F)	43 mm (1.7 inches)	81%	high
October Weather	2°C (36°F)	23 mm (0.9 inches)	76%	moderate
November Weather	-8°C (17°F)	5 mm (0.2 inches)	74%	low
December Weather	-17°C (2°F)	3 mm (0.1 inches)	84%	low