January Weather in Tan Son, Vietnam

Last updated: August 28, 2025

In January, the average temperature in Tan Son, Vietnam hovers around 22°C (72°F), creating a pleasant climate for outdoor activities. Expect lows of 14°C (58°F) and highs reaching up to 30°C (87°F). This month, anticipate approximately 41 mm (1.6 in) of rainfall spread over 5 days, contributing to an overall average humidity level of 82%. Enjoy the refreshing ambiance!

January Temperature in Tan Son

In January in Tan Son, the average temperature is 22°C (72°F), with maximums reaching 30°C (87°F) and minimums dropping to as low as 14°C (58°F). It's an ideal time for travelers to enjoy mild weather and outdoor activities.

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

The chart illustrates January temperature patterns in Tan Son, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tan Son, January typically has an average temperature of 22°C (72°F), with highs reaching up to 30°C (87°F) and lows dropping to around 14°C (58°F).

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

January Precipitation in Tan Son

In Tan Son in January, the precipitation amount is 41 mm (1.6 in) over a period of 5 days.

January Precipitation Trends in Tan Son

The chart displays monthly precipitation patterns in Tan 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 Tan Son, January typically receives around 41 mm (1.6 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 Tan Son

In Tan Son in January humidity is 82%. With an average temperature of 22°C (72°F), this humidity feels like walking through a warm, damp blanket, making travel feel more exhausting and sticky as sweat clings to your skin, and every step seems to draw you into a slow, sultry embrace.

January Average Humidity in Tan Son

This chart illustrates the average monthly humidity levels in Tan 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 Tan Son is approximately 82%, 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 Tan Son

In Tan Son in January, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Tan Son.

Maximum UV Index Levels in Tan Son for January

The chart shows the monthly maximum UV Index (UVI) for Tan 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 Tan Son typically reaches 11, which falls under the extreme exposure category.

Data source: Tan 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 Tan Son Compares to Other Months

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

This table compares monthly weather conditions in Tan Son, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	22°C (72°F)	41 mm (1.6 inches)	82%	extreme
February Weather	22°C (73°F)	15 mm (0.6 inches)	79%	extreme
March Weather	24°C (76°F)	37 mm (1.5 inches)	78%	extreme
April Weather	25°C (78°F)	70 mm (2.7 inches)	76%	extreme
May Weather	26°C (80°F)	200 mm (7.9 inches)	78%	extreme
June Weather	27°C (80°F)	142 mm (5.6 inches)	84%	extreme
July Weather	26°C (79°F)	171 mm (6.7 inches)	86%	extreme
August Weather	26°C (80°F)	184 mm (7.2 inches)	87%	extreme
September Weather	25°C (77°F)	274 mm (10.8 inches)	87%	extreme
October Weather	24°C (76°F)	253 mm (9.9 inches)	86%	extreme
November Weather	24°C (75°F)	218 mm (8.6 inches)	89%	extreme
December Weather	22°C (73°F)	67 mm (2.6 inches)	88%	very high