January Weather in Yen Bai, Vietnam

Last updated: August 28, 2025

In Yen Bai, Vietnam, the average temperature in January hovers around 18°C (64°F), making it a pleasant time to visit. Expect minimums as low as 9°C (48°F) and maximum highs reaching 27°C (81°F). During this period, precipitation averages 54 mm (2.1 in) spread over 9 days, contributing to an overall humidity of 63%. Perfect weather for exploring!

January Temperature in Yen Bai

In January in Yen Bai, the average temperature is 18°C (64°F). The maximum can reach 27°C (81°F), while the minimum can drop to as low as 9°C (48°F). This pleasant climate makes Yen Bai an ideal destination for travelers seeking moderate weather and outdoor activities.

January Weather in Yen Bai: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Yen Bai, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Yen Bai, January typically has an average temperature of 18°C (64°F), with highs reaching up to 27°C (81°F) and lows dropping to around 9°C (48°F).

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

January Precipitation in Yen Bai

In Yen Bai in January, the precipitation amount is 54 mm (2.1 in) over a span of 9 days.

January Precipitation Trends in Yen Bai

The chart displays monthly precipitation patterns in Yen Bai, 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 Yen Bai, January typically receives around 54 mm (2.1 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 Yen Bai

In Yen Bai in January, humidity is 63%. With an average temperature of 18°C (64°F), this humidity feels like a warm embrace, creating a sense of stickiness that may cause you to seek out shade or a refreshing drink while exploring the city’s sights.

January Average Humidity in Yen Bai

This chart illustrates the average monthly humidity levels in Yen Bai, 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 Yen Bai is approximately 63%, 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 Yen Bai

In Yen Bai in January, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Yen Bai.

Maximum UV Index Levels in Yen Bai for January

The chart shows the monthly maximum UV Index (UVI) for Yen Bai 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 Yen Bai typically reaches 8, which falls under the very high exposure category.

Data source: Yen Bai 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 Yen Bai Compares to Other Months

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

This table compares monthly weather conditions in Yen Bai, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	18°C (64°F)	54 mm (2.1 inches)	63%	very high
February Weather	18°C (65°F)	44 mm (1.7 inches)	65%	very high
March Weather	22°C (72°F)	100 mm (3.9 inches)	57%	extreme
April Weather	24°C (76°F)	182 mm (7.2 inches)	50%	extreme
May Weather	28°C (82°F)	276 mm (10.9 inches)	68%	extreme
June Weather	30°C (86°F)	343 mm (13.5 inches)	79%	extreme
July Weather	29°C (85°F)	375 mm (14.8 inches)	91%	extreme
August Weather	29°C (84°F)	485 mm (19.1 inches)	92%	extreme
September Weather	28°C (83°F)	262 mm (10.3 inches)	82%	extreme
October Weather	25°C (77°F)	239 mm (9.4 inches)	76%	extreme
November Weather	22°C (72°F)	53 mm (2.1 inches)	72%	very high
December Weather	18°C (65°F)	52 mm (2.0 inches)	68%	high