January Weather in Sanjiaguan, China

Last updated: August 22, 2025

In January, the average temperature in Sanjiaguan, China hovers around 4°C (40°F). Expect a chilling minimum of -6°C (21°F) and a mild maximum of 18°C (64°F). With precipitation amounting to 65 mm (2.6 in) spread over 9 days, and an average humidity level of 71%, be prepared for a mix of cool, damp days.

January Temperature in Sanjiaguan

In January in Sanjiaguan, the average temperature is 4°C (40°F), with maximums reaching up to 18°C (64°F) and minimums dipping as low as -6°C (21°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

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

The chart illustrates January temperature patterns in Sanjiaguan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sanjiaguan, January typically has an average temperature of 4°C (40°F), with highs reaching up to 18°C (64°F) and lows dropping to around -6°C (21°F).

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

January Precipitation in Sanjiaguan

In Sanjiaguan in January, the precipitation amount is 65 mm (2.6 in) over the course of 9 days.

January Precipitation Trends in Sanjiaguan

The chart displays monthly precipitation patterns in Sanjiaguan, 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 Sanjiaguan, January typically receives around 65 mm (2.6 inches) of precipitation spread over approximately 9 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 Sanjiaguan

In Sanjiaguan in January humidity is 71%. With an average temperature of 4°C (40°F), this humidity feels like a chilly, damp blanket enveloping you, making it essential to dress warmly and be prepared for potential discomfort while traveling.

January Average Humidity in Sanjiaguan

This chart illustrates the average monthly humidity levels in Sanjiaguan, 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 Sanjiaguan is approximately 71%, 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 Sanjiaguan

In Sanjiaguan in January, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Sanjiaguan, you can refer to this Hourly UV Index in Sanjiaguan.

Maximum UV Index Levels in Sanjiaguan for January

The chart shows the monthly maximum UV Index (UVI) for Sanjiaguan 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 Sanjiaguan typically reaches 6, which falls under the high exposure category.

Data source: Sanjiaguan 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 Sanjiaguan Compares to Other Months

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

This table compares monthly weather conditions in Sanjiaguan, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	4°C (40°F)	65 mm (2.6 inches)	71%	high
February Weather	6°C (44°F)	75 mm (3.0 inches)	75%	high
March Weather	12°C (53°F)	152 mm (6.0 inches)	86%	very high
April Weather	16°C (61°F)	178 mm (7.0 inches)	86%	extreme
May Weather	20°C (68°F)	261 mm (10.3 inches)	86%	extreme
June Weather	24°C (75°F)	295 mm (11.6 inches)	87%	extreme
July Weather	26°C (79°F)	258 mm (10.2 inches)	89%	extreme
August Weather	26°C (80°F)	185 mm (7.3 inches)	86%	extreme
September Weather	22°C (73°F)	152 mm (6.0 inches)	70%	very high
October Weather	16°C (62°F)	99 mm (3.9 inches)	72%	very high
November Weather	12°C (53°F)	73 mm (2.9 inches)	82%	high
December Weather	6°C (44°F)	41 mm (1.6 inches)	76%	moderate