January Weather in Jiannan, China

Last updated: August 22, 2025

In January, the average temperature in Jiannan, China hovers around 5°C (42°F), with the potential for a brisk dip to a minimum of -3°C (26°F) and a pleasant high of 14°C (58°F). Expect approximately 44 mm (1.7 in) of precipitation spread over 10 days, accompanied by an average humidity of 72%. Dress in layers and prepare for some damp days!

January Temperature in Jiannan

In January in Jiannan, the average temperature is 5°C (42°F), with maximums reaching 14°C (58°F) and minimums dropping as low as -3°C (26°F). It's advisable to pack warm clothing to stay comfortable during your trip.

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

The chart illustrates January temperature patterns in Jiannan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Jiannan, January typically has an average temperature of 5°C (42°F), with highs reaching up to 14°C (58°F) and lows dropping to around -3°C (26°F).

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

January Precipitation in Jiannan

In Jiannan in January, the total precipitation amount is 44 mm (1.7 in) over the course of 10 days.

January Precipitation Trends in Jiannan

The chart displays monthly precipitation patterns in Jiannan, 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 Jiannan, January typically receives around 44 mm (1.7 inches) of precipitation spread over approximately 10 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 Jiannan

In Jiannan in January humidity is 72%. With an average temperature of 5°C (42°F), this humidity feels like a damp, chilly fog wrapping around you, making outdoor activities less enjoyable and requiring travelers to dress warmly and prepare for a brisk atmosphere.

January Average Humidity in Jiannan

This chart illustrates the average monthly humidity levels in Jiannan, 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 Jiannan is approximately 72%, 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 Jiannan

In Jiannan 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 Jiannan.

Maximum UV Index Levels in Jiannan for January

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

Data source: Jiannan 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 Jiannan Compares to Other Months

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

This table compares monthly weather conditions in Jiannan, 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)	44 mm (1.7 inches)	72%	moderate
February Weather	7°C (45°F)	58 mm (2.3 inches)	76%	high
March Weather	12°C (54°F)	128 mm (5.0 inches)	87%	very high
April Weather	16°C (61°F)	172 mm (6.8 inches)	82%	extreme
May Weather	19°C (67°F)	181 mm (7.1 inches)	83%	extreme
June Weather	23°C (73°F)	228 mm (9.0 inches)	84%	extreme
July Weather	26°C (78°F)	273 mm (10.7 inches)	87%	extreme
August Weather	26°C (79°F)	216 mm (8.5 inches)	85%	extreme
September Weather	22°C (71°F)	171 mm (6.7 inches)	77%	extreme
October Weather	16°C (61°F)	118 mm (4.6 inches)	81%	very high
November Weather	11°C (52°F)	75 mm (3.0 inches)	86%	high
December Weather	6°C (44°F)	40 mm (1.6 inches)	81%	moderate