January Weather in Tien Hai, Vietnam

Last updated: August 28, 2025

In January, the average temperature in Tien Hai, Vietnam is a pleasant 18°C (66°F). Expect mild conditions, with minimums dipping to 9°C (49°F) and maximums reaching up to 26°C (80°F). While enjoying the climate, be prepared for 31 mm (1.2 in) of precipitation spread over approximately 5 days. The average humidity hovers around 66%, creating a comfortable atmosphere for your activities.

January Temperature in Tien Hai

In January in Tien Hai, the average temperature is 18°C (66°F). The maximum can reach 26°C (80°F) and the minimum can be as low as 9°C (49°F). This pleasant climate makes it an ideal time for outdoor activities and exploration.

January Weather in Tien Hai: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Tien Hai, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tien Hai, January typically has an average temperature of 18°C (66°F), with highs reaching up to 26°C (80°F) and lows dropping to around 9°C (49°F).

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

January Precipitation in Tien Hai

In Tien Hai in January, the precipitation amount is 31 mm (1.2 in) spread over 5 days.

January Precipitation Trends in Tien Hai

The chart displays monthly precipitation patterns in Tien Hai, 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 Tien Hai, January typically receives around 31 mm (1.2 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 Tien Hai

In Tien Hai in January humidity is 66%. With an average temperature of 18°C (66°F), this humidity feels like a warm embrace, making it a perfect time for leisurely strolls and outdoor sightseeing, though travelers might want to stay hydrated and take frequent breaks in the shade.

January Average Humidity in Tien Hai

This chart illustrates the average monthly humidity levels in Tien Hai, 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 Tien Hai is approximately 66%, 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 Tien Hai

In Tien Hai 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 Tien Hai.

Maximum UV Index Levels in Tien Hai for January

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

Data source: Tien Hai 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 Tien Hai Compares to Other Months

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

This table compares monthly weather conditions in Tien Hai, 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 (66°F)	31 mm (1.2 inches)	66%	very high
February Weather	19°C (66°F)	27 mm (1.1 inches)	71%	very high
March Weather	22°C (72°F)	47 mm (1.9 inches)	69%	extreme
April Weather	24°C (76°F)	82 mm (3.2 inches)	64%	extreme
May Weather	28°C (83°F)	147 mm (5.8 inches)	73%	extreme
June Weather	31°C (88°F)	156 mm (6.1 inches)	81%	extreme
July Weather	30°C (87°F)	286 mm (11.3 inches)	90%	extreme
August Weather	30°C (86°F)	433 mm (17.1 inches)	89%	extreme
September Weather	29°C (84°F)	302 mm (11.9 inches)	82%	extreme
October Weather	26°C (79°F)	305 mm (12.0 inches)	77%	extreme
November Weather	23°C (74°F)	61 mm (2.4 inches)	72%	very high
December Weather	19°C (67°F)	41 mm (1.6 inches)	71%	high