December Weather in Sunwu, China

Last updated: August 22, 2025

In December, the average temperature in Sunwu, China hovers around -19°C (−2°F). However, be prepared for extremes, as temperatures can plummet to a chilling -33°C (−27°F) or occasionally peak at 1°C (34°F). The month sees a modest precipitation amount of 7 mm (0.3 in), spread over about 2 days, and you'll find the air quite damp, with an average humidity of 81%. Stay warm and cozy!

December Temperature in Sunwu

In December in Sunwu, the average temperature is -19°C (-2°F). The maximum can reach 1°C (34°F) and the minimum can be as low as -33°C (-27°F). Travelers should be prepared for extremely cold conditions and dress in layers to stay warm.

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

The chart illustrates December temperature patterns in Sunwu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sunwu, December typically has an average temperature of -19°C (-2°F), with highs reaching up to 1°C (34°F) and lows dropping to around -33°C (-27°F).

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

December Precipitation in Sunwu

In Sunwu in December, the precipitation amount is 7 mm (0.3 in) over a period of 2 days.

December Precipitation Trends in Sunwu

The chart displays monthly precipitation patterns in Sunwu, 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 Sunwu, December typically receives around 7 mm (0.3 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 Sunwu

In Sunwu in December, humidity is 81%. With an average temperature of -19°C (-2°F), this humidity feels like an icy mist that clings to your skin, making every breath a chillier challenge and creating an atmosphere that can be both mesmerizing and daunting for travelers.

December Average Humidity in Sunwu

This chart illustrates the average monthly humidity levels in Sunwu, 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 Sunwu is approximately 81%, 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 Sunwu

In Sunwu 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 Sunwu.

Maximum UV Index Levels in Sunwu for December

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

Data source: Sunwu 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 Sunwu Compares to Other Months

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

This table compares monthly weather conditions in Sunwu, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-20°C (-4°F)	5 mm (0.2 inches)	87%	low
February Weather	-16°C (3°F)	6 mm (0.2 inches)	86%	low
March Weather	-5°C (24°F)	14 mm (0.6 inches)	79%	moderate
April Weather	5°C (41°F)	32 mm (1.2 inches)	66%	moderate
May Weather	12°C (55°F)	61 mm (2.4 inches)	69%	high
June Weather	17°C (63°F)	134 mm (5.3 inches)	80%	very high
July Weather	22°C (72°F)	137 mm (5.4 inches)	87%	very high
August Weather	18°C (66°F)	175 mm (6.9 inches)	88%	very high
September Weather	13°C (56°F)	88 mm (3.5 inches)	86%	moderate
October Weather	4°C (39°F)	35 mm (1.4 inches)	83%	moderate
November Weather	-8°C (18°F)	22 mm (0.9 inches)	72%	low
December Weather	-19°C (-2°F)	7 mm (0.3 inches)	81%	low