December Weather in Hongsihu, China

Last updated: August 23, 2025

In December, the average temperature in Hongsihu, China hovers around -8°C (18°F), presenting a chilly ambiance. Expect minimums to plummet as low as -21°C (-5°F), while maximums can reach a mild 12°C (53°F). Not much is needed for an umbrella, as the precipitation amounts to just 3 mm (0.1 in) over 1 day. With an average humidity of 61%, it's vital to bundle up and stay prepared for the brisk conditions ahead!

December Temperature in Hongsihu

In December in Hongsihu, the average temperature is -8°C (18°F). The maximum can reach 12°C (53°F), and the minimum can be as low as -21°C (-5°F). Travelers should be prepared for a wide range of temperatures, ensuring they pack both warm clothing and layers for fluctuating weather conditions.

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

The chart illustrates December temperature patterns in Hongsihu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hongsihu, December typically has an average temperature of -8°C (18°F), with highs reaching up to 12°C (53°F) and lows dropping to around -21°C (-5°F).

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

December Precipitation in Hongsihu

In Hongsihu in December, the precipitation amount is 3 mm (0.1 in) over the course of 1 day.

December Precipitation Trends in Hongsihu

The chart displays monthly precipitation patterns in Hongsihu, 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 Hongsihu, December typically receives around 3 mm (0.1 inches) of precipitation spread over approximately 1 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 Hongsihu

In Hongsihu in December humidity is 61%. With an average temperature of -8°C (18°F), this humidity feels like a biting chill that cuts through layers of clothing, making outdoor travel less enjoyable as you navigate the frosty air.

December Average Humidity in Hongsihu

This chart illustrates the average monthly humidity levels in Hongsihu, 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 Hongsihu is approximately 61%, 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 Hongsihu

In Hongsihu in December, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Hongsihu, you can check the information here.

Maximum UV Index Levels in Hongsihu for December

The chart shows the monthly maximum UV Index (UVI) for Hongsihu 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 Hongsihu typically reaches 3, which falls under the moderate exposure category.

Data source: Hongsihu 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 Hongsihu Compares to Other Months

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

This table compares monthly weather conditions in Hongsihu, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-8°C (17°F)	3 mm (0.1 inches)	60%	moderate
February Weather	-4°C (24°F)	2 mm (0.1 inches)	57%	moderate
March Weather	4°C (39°F)	4 mm (0.1 inches)	60%	high
April Weather	10°C (49°F)	25 mm (1.0 inches)	55%	very high
May Weather	15°C (59°F)	24 mm (1.0 inches)	39%	extreme
June Weather	19°C (67°F)	38 mm (1.5 inches)	41%	extreme
July Weather	22°C (72°F)	34 mm (1.4 inches)	39%	extreme
August Weather	20°C (68°F)	55 mm (2.1 inches)	44%	extreme
September Weather	15°C (59°F)	50 mm (2.0 inches)	49%	very high
October Weather	7°C (44°F)	10 mm (0.4 inches)	59%	high
November Weather	-1°C (31°F)	3 mm (0.1 inches)	62%	moderate
December Weather	-8°C (18°F)	3 mm (0.1 inches)	61%	moderate