January Weather in Sanyuan, China

Last updated: August 23, 2025

In January, the average temperature in Sanyuan, China hovers around 5°C (41°F). However, be prepared for a temperature range that can dip as low as -12°C (11°F) or rise to a maximum of 19°C (67°F). Expect about 64 mm (2.5 in) of precipitation over 8 days, accompanied by an average humidity level of 70%.

January Temperature in Sanyuan

In January in Sanyuan, the average temperature is 5°C (41°F). The maximum can reach 19°C (67°F), while the minimum can drop as low as -12°C (11°F). Be prepared for a mix of mild and chilly weather when traveling during this time.

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

The chart illustrates January 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, January typically has an average temperature of 5°C (41°F), with highs reaching up to 19°C (67°F) and lows dropping to around -12°C (11°F).

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

January Precipitation in Sanyuan

In Sanyuan in January, the precipitation amount is 64 mm (2.5 in) over the course of 8 days.

January Precipitation Trends in Sanyuan

The chart displays monthly precipitation patterns in Sanyuan, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Sanyuan, January typically receives around 64 mm (2.5 inches) of precipitation spread over approximately 8 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

January Humidity in Sanyuan

In Sanyuan in January, humidity is 70%. With an average temperature of 5°C (41°F), this humidity feels like a damp chill that penetrates your clothes, making outdoor activities less enjoyable and requiring warm layers to stay comfortable while traveling.

January Average Humidity in Sanyuan

This chart illustrates the average monthly humidity levels in Sanyuan, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Sanyuan is approximately 70%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Sanyuan

In Sanyuan in January, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Sanyuan.

Maximum UV Index Levels in Sanyuan for January

The chart shows the monthly maximum UV Index (UVI) for Sanyuan in January, 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 January, the maximum UV index in Sanyuan typically reaches 5, which falls under the moderate exposure category.

Data source: Sanyuan January 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 January 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 January’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 January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	5°C (41°F)	64 mm (2.5 inches)	70%	moderate
February Weather	7°C (44°F)	71 mm (2.8 inches)	73%	high
March Weather	13°C (55°F)	103 mm (4.1 inches)	82%	very high
April Weather	17°C (64°F)	83 mm (3.3 inches)	86%	very high
May Weather	23°C (73°F)	137 mm (5.4 inches)	85%	extreme
June Weather	26°C (78°F)	261 mm (10.3 inches)	85%	extreme
July Weather	29°C (84°F)	276 mm (10.9 inches)	90%	extreme
August Weather	29°C (84°F)	158 mm (6.2 inches)	88%	extreme
September Weather	25°C (77°F)	100 mm (4.0 inches)	75%	very high
October Weather	19°C (66°F)	50 mm (2.0 inches)	76%	very high
November Weather	13°C (56°F)	42 mm (1.6 inches)	84%	high
December Weather	7°C (44°F)	46 mm (1.8 inches)	77%	moderate