December Weather in Caiyu, China

Last updated: August 22, 2025

In Caiyu, China, the average temperature in December hovers around -2°C (29°F). While the chilly conditions can dip as low as -13°C (8°F), you might enjoy occasional warmth peaking at 13°C (55°F). With a mere 2 mm (0.1 in) of precipitation over 0 days, the air remains moderately dry, featuring an average humidity of 51%.

December Temperature in Caiyu

In December in Caiyu, the average temperature is -2°C (29°F). The maximum can reach 13°C (55°F), while the minimum can be as low as -13°C (8°F). Travelers should prepare for chilly conditions and pack layers to stay warm while exploring.

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

The chart illustrates December temperature patterns in Caiyu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Caiyu, December typically has an average temperature of -2°C (29°F), with highs reaching up to 13°C (55°F) and lows dropping to around -13°C (8°F).

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

December Precipitation in Caiyu

In Caiyu in December, the precipitation amount is 2 mm (0.1 in) during a span of 0 days.

December Precipitation Trends in Caiyu

The chart displays monthly precipitation patterns in Caiyu, 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 Caiyu, December typically receives around 2 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 Caiyu

In Caiyu in December humidity is 51%. With an average temperature of -2°C (29°F), this humidity feels like a chilly dampness that penetrates your clothes, making outdoor activities uncomfortable and necessitating extra layers for warmth while traveling.

December Average Humidity in Caiyu

This chart illustrates the average monthly humidity levels in Caiyu, 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 Caiyu is approximately 51%, 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 Caiyu

In Caiyu in December, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Caiyu, you can visit Hourly UV Index in Caiyu.

Maximum UV Index Levels in Caiyu for December

The chart shows the monthly maximum UV Index (UVI) for Caiyu 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 Caiyu typically reaches 2, which falls under the low exposure category.

Data source: Caiyu 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 Caiyu Compares to Other Months

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

This table compares monthly weather conditions in Caiyu, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-3°C (27°F)	1 mm (0.0 inches)	40%	low
February Weather	0°C (32°F)	6 mm (0.2 inches)	41%	moderate
March Weather	8°C (47°F)	15 mm (0.6 inches)	48%	high
April Weather	16°C (61°F)	21 mm (0.8 inches)	61%	very high
May Weather	23°C (73°F)	21 mm (0.8 inches)	58%	very high
June Weather	27°C (81°F)	43 mm (1.7 inches)	64%	very high
July Weather	28°C (82°F)	193 mm (7.6 inches)	78%	very high
August Weather	27°C (80°F)	133 mm (5.2 inches)	78%	very high
September Weather	23°C (73°F)	56 mm (2.2 inches)	66%	high
October Weather	14°C (57°F)	33 mm (1.3 inches)	70%	high
November Weather	5°C (42°F)	13 mm (0.5 inches)	68%	moderate
December Weather	-2°C (29°F)	2 mm (0.1 inches)	51%	low