January Weather in Yanshan, China

Last updated: August 22, 2025

In January, the average temperature in Yanshan, China is a crisp 4°C (39°F). Expect minimums around -6°C (22°F) and maximums reaching 15°C (59°F). During this month, precipitation averages 75 mm (2.9 in) over approximately 12 days, contributing to a moderate average humidity of 67%. Prepare for a mix of chilly days and potential rain!

January Temperature in Yanshan

In January in Yanshan, the average temperature is 4°C (39°F). The maximum can reach 15°C (59°F) and the minimum can be as low as -6°C (22°F). Be prepared for a range of temperatures and pack accordingly when traveling during this time.

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

The chart illustrates January temperature patterns in Yanshan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Yanshan, January typically has an average temperature of 4°C (39°F), with highs reaching up to 15°C (59°F) and lows dropping to around -6°C (22°F).

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

January Precipitation in Yanshan

In Yanshan in January, the total precipitation amount is 75 mm (2.9 in) over the course of 12 days.

January Precipitation Trends in Yanshan

The chart displays monthly precipitation patterns in Yanshan, 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 Yanshan, January typically receives around 75 mm (2.9 inches) of precipitation spread over approximately 12 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 Yanshan

In Yanshan in January, humidity is 67%. With an average temperature of 4°C (39°F), this humidity feels like a brisk chill that penetrates your clothing, making outdoor activities more challenging and requiring layered clothing for comfort during your travels.

January Average Humidity in Yanshan

This chart illustrates the average monthly humidity levels in Yanshan, 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 Yanshan is approximately 67%, 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 Yanshan

In Yanshan 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 Yanshan, you can refer to this Hourly UV Index in Yanshan.

Maximum UV Index Levels in Yanshan for January

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

Data source: Yanshan 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 Yanshan Compares to Other Months

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

This table compares monthly weather conditions in Yanshan, 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 (39°F)	75 mm (2.9 inches)	67%	high
February Weather	5°C (42°F)	76 mm (3.0 inches)	73%	very high
March Weather	11°C (51°F)	144 mm (5.7 inches)	84%	very high
April Weather	15°C (59°F)	140 mm (5.5 inches)	82%	extreme
May Weather	19°C (66°F)	253 mm (10.0 inches)	86%	extreme
June Weather	22°C (72°F)	259 mm (10.2 inches)	86%	extreme
July Weather	25°C (77°F)	217 mm (8.6 inches)	88%	extreme
August Weather	25°C (77°F)	166 mm (6.5 inches)	85%	extreme
September Weather	21°C (70°F)	223 mm (8.8 inches)	71%	very high
October Weather	15°C (59°F)	142 mm (5.6 inches)	74%	very high
November Weather	10°C (51°F)	95 mm (3.7 inches)	85%	high
December Weather	5°C (41°F)	55 mm (2.2 inches)	75%	moderate