January Weather in But Son, Vietnam

Last updated: August 28, 2025

In January, the average temperature in But Son, Vietnam hovers around 19°C (66°F), making it a pleasant time to visit. Expect a minimum temperature of 9°C (49°F) and a maximum of 29°C (84°F). While you enjoy the warmth, be prepared for some rain, as precipitation averages 35 mm (1.4 in) over about 5 days. Additionally, with an average humidity of 74%, it's a great idea to keep hydrated!

January Temperature in But Son

In January in But Son, the average temperature is 19°C (66°F). The maximum can reach 29°C (84°F) and the minimum can be as low as 9°C (49°F). This pleasant climate makes But Son an ideal destination for travelers seeking enjoyable weather during their visit.

January Weather in But Son: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in But Son, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In But Son, January typically has an average temperature of 19°C (66°F), with highs reaching up to 29°C (84°F) and lows dropping to around 9°C (49°F).

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

January Precipitation in But Son

In But Son in January, the precipitation amount is 35 mm (1.4 in) over a span of 5 days.

January Precipitation Trends in But Son

The chart displays monthly precipitation patterns in But Son, 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 But Son, January typically receives around 35 mm (1.4 inches) of precipitation spread over approximately 5 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 But Son

In But Son in January humidity is 74%. With an average temperature of 19°C (66°F), this humidity feels like a warm, enveloping blanket, making it ideal for leisurely outdoor exploration but potentially heavy for those not accustomed to tropical conditions.

January Average Humidity in But Son

This chart illustrates the average monthly humidity levels in But Son, 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 But Son is approximately 74%, 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 But Son

In But Son 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 But Son.

Maximum UV Index Levels in But Son for January

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

Data source: But Son 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 But Son Compares to Other Months

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

This table compares monthly weather conditions in But Son, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	19°C (66°F)	35 mm (1.4 inches)	74%	very high
February Weather	19°C (67°F)	21 mm (0.8 inches)	77%	very high
March Weather	23°C (73°F)	42 mm (1.7 inches)	74%	extreme
April Weather	25°C (77°F)	77 mm (3.0 inches)	70%	extreme
May Weather	29°C (84°F)	166 mm (6.5 inches)	78%	extreme
June Weather	32°C (89°F)	109 mm (4.3 inches)	82%	extreme
July Weather	31°C (87°F)	302 mm (11.9 inches)	90%	extreme
August Weather	30°C (86°F)	312 mm (12.3 inches)	90%	extreme
September Weather	29°C (84°F)	252 mm (9.9 inches)	84%	extreme
October Weather	25°C (78°F)	250 mm (9.8 inches)	81%	extreme
November Weather	23°C (74°F)	73 mm (2.9 inches)	78%	very high
December Weather	19°C (67°F)	38 mm (1.5 inches)	78%	high