January Weather in Yiwan, China

Last updated: August 23, 2025

In January, the average temperature in Yiwan, China hovers around 5°C (42°F), with a possible minimum of -4°C (24°F) and a comfortable maximum of 20°C (69°F). Expect 56 mm (2.2 in) of precipitation over about 6 days, contributing to an average humidity of 71%. It's a month to prepare for variable weather!

January Temperature in Yiwan

In January in Yiwan, the average temperature is 5°C (42°F). Maximum temperatures can reach 20°C (69°F), while minimums can dip as low as -4°C (24°F). It's a great time for travelers to prepare for a mix of chilly and mild weather, so pack accordingly!

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

The chart illustrates January temperature patterns in Yiwan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Yiwan, January typically has an average temperature of 5°C (42°F), with highs reaching up to 20°C (69°F) and lows dropping to around -4°C (24°F).

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

January Precipitation in Yiwan

In Yiwan in January, the precipitation amount is 56 mm (2.2 in) spread over 6 days.

January Precipitation Trends in Yiwan

The chart displays monthly precipitation patterns in Yiwan, 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 Yiwan, January typically receives around 56 mm (2.2 inches) of precipitation spread over approximately 6 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 Yiwan

In Yiwan in January humidity is 71%. With an average temperature of 5°C (42°F), this humidity feels like a chilly blanket wrapping around you, making outdoor travel brisk and invigorating, yet requiring layers to stay comfortable as you explore.

January Average Humidity in Yiwan

This chart illustrates the average monthly humidity levels in Yiwan, 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 Yiwan 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 Yiwan

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

Maximum UV Index Levels in Yiwan for January

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

Data source: Yiwan 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 Yiwan Compares to Other Months

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

This table compares monthly weather conditions in Yiwan, 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 (42°F)	56 mm (2.2 inches)	71%	high
February Weather	8°C (46°F)	57 mm (2.2 inches)	75%	high
March Weather	13°C (56°F)	103 mm (4.1 inches)	86%	very high
April Weather	18°C (64°F)	130 mm (5.1 inches)	86%	very high
May Weather	22°C (72°F)	172 mm (6.8 inches)	86%	extreme
June Weather	26°C (79°F)	194 mm (7.6 inches)	87%	extreme
July Weather	29°C (84°F)	180 mm (7.1 inches)	89%	extreme
August Weather	29°C (85°F)	150 mm (5.9 inches)	86%	extreme
September Weather	25°C (77°F)	115 mm (4.5 inches)	70%	very high
October Weather	18°C (65°F)	69 mm (2.7 inches)	72%	very high
November Weather	14°C (57°F)	54 mm (2.1 inches)	82%	high
December Weather	8°C (46°F)	31 mm (1.2 inches)	76%	moderate