December Weather in Sanyuan, China

Last updated: August 22, 2025

In December, the average temperature in Sanyuan, China hovers around 9°C (48°F), with a minimum dipping to 0°C (32°F) and a maximum reaching 18°C (65°F). Expect about 39 mm (1.5 in) of precipitation spread over 10 days, contributing to a 75% average humidity. Perfect for cozy sweaters and unexpected rain showers!

December Temperature in Sanyuan

In December in Sanyuan, the average temperature is 9°C (48°F). Maximum temperatures can reach 18°C (65°F), while minimums can drop as low as 0°C (32°F). This range makes it ideal for travelers looking to enjoy mild weather and outdoor activities.

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

The chart illustrates December temperature patterns in Sanyuan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sanyuan, December typically has an average temperature of 9°C (48°F), with highs reaching up to 18°C (65°F) and lows dropping to around 0°C (32°F).

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

December Precipitation in Sanyuan

In Sanyuan in December, the precipitation amount is 39 mm (1.5 in) over a span of 10 days.

December Precipitation Trends in Sanyuan

The chart displays monthly precipitation patterns in Sanyuan, 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 Sanyuan, December typically receives around 39 mm (1.5 inches) of precipitation spread over approximately 10 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 Sanyuan

In Sanyuan in December humidity is 75%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill, making it essential to dress in layers for comfort while traveling.

December Average Humidity in Sanyuan

This chart illustrates the average monthly humidity levels in Sanyuan, 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 Sanyuan is approximately 75%, 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 Sanyuan

In Sanyuan in December, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Sanyuan for better planning.

Maximum UV Index Levels in Sanyuan for December

The chart shows the monthly maximum UV Index (UVI) for Sanyuan 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 Sanyuan typically reaches 4, which falls under the moderate exposure category.

Data source: Sanyuan 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 Sanyuan Compares to Other Months

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

This table compares monthly weather conditions in Sanyuan, 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 (46°F)	37 mm (1.5 inches)	67%	moderate
February Weather	9°C (49°F)	56 mm (2.2 inches)	73%	high
March Weather	14°C (58°F)	103 mm (4.0 inches)	84%	very high
April Weather	18°C (65°F)	133 mm (5.2 inches)	82%	very high
May Weather	21°C (71°F)	180 mm (7.1 inches)	86%	extreme
June Weather	25°C (77°F)	167 mm (6.6 inches)	86%	extreme
July Weather	28°C (82°F)	197 mm (7.7 inches)	88%	extreme
August Weather	29°C (84°F)	150 mm (5.9 inches)	85%	extreme
September Weather	24°C (75°F)	141 mm (5.6 inches)	71%	very high
October Weather	18°C (65°F)	122 mm (4.8 inches)	74%	very high
November Weather	13°C (56°F)	74 mm (2.9 inches)	85%	high
December Weather	9°C (48°F)	39 mm (1.5 inches)	75%	moderate