December Weather in Heli, China

Last updated: August 22, 2025

In December, the average temperature in Heli, China hovers around -16°C (3°F). Expect a chilly minimum of -33°C (-27°F) and a balmy maximum of 5°C (42°F). Precipitation is minimal, with about 9 mm (0.4 in) spread over 2 days, while humidity maintains a cool 71%. Stay warm and enjoy this crisp winter atmosphere!

December Temperature in Heli

In December in Heli, the average temperature is -16°C (3°F). Maximums can reach 5°C (42°F), while minimums can plummet to -33°C (-27°F). Travelers should prepare for extremely cold conditions and dress in layers to stay warm.

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

The chart illustrates December temperature patterns in Heli, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Heli, December typically has an average temperature of -16°C (3°F), with highs reaching up to 5°C (42°F) and lows dropping to around -33°C (-27°F).

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

December Precipitation in Heli

In Heli in December, the precipitation amount is 9 mm (0.4 in) over the course of 2 days.

December Precipitation Trends in Heli

The chart displays monthly precipitation patterns in Heli, 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 Heli, December typically receives around 9 mm (0.4 inches) of precipitation spread over approximately 2 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

December Humidity in Heli

In Heli in December, humidity is 71%. With an average temperature of -16°C (3°F), this humidity feels like a biting chill that permeates your bones, making travel uncomfortable and prompting you to bundle up tightly against the frosty air.

December Average Humidity in Heli

This chart illustrates the average monthly humidity levels in Heli, 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 Heli is approximately 71%, 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 Heli

In Heli 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 Heli.

Maximum UV Index Levels in Heli for December

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

Data source: Heli 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 Heli Compares to Other Months

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

This table compares monthly weather conditions in Heli, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-18°C (0°F)	5 mm (0.2 inches)	85%	low
February Weather	-14°C (8°F)	8 mm (0.3 inches)	83%	moderate
March Weather	-3°C (28°F)	20 mm (0.8 inches)	75%	moderate
April Weather	7°C (44°F)	35 mm (1.4 inches)	70%	high
May Weather	14°C (58°F)	72 mm (2.8 inches)	72%	very high
June Weather	18°C (65°F)	110 mm (4.3 inches)	83%	very high
July Weather	23°C (74°F)	112 mm (4.4 inches)	86%	very high
August Weather	20°C (69°F)	175 mm (6.9 inches)	88%	very high
September Weather	15°C (59°F)	95 mm (3.7 inches)	87%	high
October Weather	6°C (43°F)	24 mm (0.9 inches)	83%	moderate
November Weather	-5°C (23°F)	32 mm (1.2 inches)	67%	low
December Weather	-16°C (3°F)	9 mm (0.4 inches)	71%	low