January Weather in Chaiwan, China

Last updated: August 23, 2025

In January, the average temperature in Chaiwan, China hovers around 4°C (39°F), with fluctuations that can bring the minimum down to a brisk -9°C (16°F) and the maximum up to a mild 17°C (62°F). During this time, expect 43 mm (1.7 in) of precipitation spread across 7 days, contributing to an average humidity of 67%.

January Temperature in Chaiwan

In January in Chaiwan, the average temperature is 4°C (39°F). Maximums can reach 17°C (62°F), while minimums can drop as low as -9°C (16°F). Be prepared for a blend of chilly and mild weather if you're planning to visit during this time.

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

The chart illustrates January temperature patterns in Chaiwan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chaiwan, January typically has an average temperature of 4°C (39°F), with highs reaching up to 17°C (62°F) and lows dropping to around -9°C (16°F).

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

January Precipitation in Chaiwan

In Chaiwan in January, the total precipitation amount is 43 mm (1.7 in) spread over a period of 7 days.

January Precipitation Trends in Chaiwan

The chart displays monthly precipitation patterns in Chaiwan, 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 Chaiwan, January typically receives around 43 mm (1.7 inches) of precipitation spread over approximately 7 days.

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

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Millimeters (mm) Inches (in)

January Humidity in Chaiwan

In Chaiwan 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 Chaiwan

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

In Chaiwan in January, 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 Chaiwan for better planning.

Maximum UV Index Levels in Chaiwan for January

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

Data source: Chaiwan 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 Chaiwan Compares to Other Months

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

This table compares monthly weather conditions in Chaiwan, 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)	43 mm (1.7 inches)	67%	moderate
February Weather	5°C (42°F)	44 mm (1.7 inches)	69%	high
March Weather	11°C (51°F)	51 mm (2.0 inches)	79%	very high
April Weather	15°C (60°F)	64 mm (2.5 inches)	86%	very high
May Weather	21°C (70°F)	122 mm (4.8 inches)	87%	very high
June Weather	25°C (77°F)	137 mm (5.4 inches)	90%	very high
July Weather	28°C (82°F)	251 mm (9.9 inches)	95%	extreme
August Weather	28°C (83°F)	177 mm (7.0 inches)	92%	extreme
September Weather	24°C (76°F)	112 mm (4.4 inches)	79%	very high
October Weather	18°C (64°F)	54 mm (2.1 inches)	76%	very high
November Weather	13°C (55°F)	45 mm (1.8 inches)	77%	moderate
December Weather	6°C (43°F)	40 mm (1.6 inches)	73%	moderate