January Weather in Goi, Vietnam

Last updated: August 28, 2025

In January, the average temperature in Goi, Vietnam hovers around 18°C (65°F), with a minimum dipping to 9°C (48°F) and a maximum peaking at 28°C (82°F). Expect a moderate precipitation of 38 mm (1.5 in) spread across approximately 7 days, alongside an average humidity level of 66%.

January Temperature in Goi

In January in Goi, the average temperature is 18°C (65°F). The maximum can reach 28°C (82°F), while the minimum can drop to as low as 9°C (48°F). This mild weather makes it an ideal time for travelers to explore the sights and enjoy outdoor activities.

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

The chart illustrates January temperature patterns in Goi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Goi, January typically has an average temperature of 18°C (65°F), with highs reaching up to 28°C (82°F) and lows dropping to around 9°C (48°F).

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

January Precipitation in Goi

In Goi in January, the precipitation amount is 38 mm (1.5 in) over the course of 7 days.

January Precipitation Trends in Goi

The chart displays monthly precipitation patterns in Goi, 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 Goi, January typically receives around 38 mm (1.5 inches) of precipitation spread over approximately 7 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 Goi

In Goi in January humidity is 66%. With an average temperature of 18°C (65°F), this humidity feels like a warm embrace, making travel comfortable yet slightly sticky, perfect for leisurely strolls but requiring light, breathable clothing to fully enjoy the experience.

January Average Humidity in Goi

This chart illustrates the average monthly humidity levels in Goi, 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 Goi 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 Goi

In Goi 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 Goi.

Maximum UV Index Levels in Goi for January

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

Data source: Goi 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 Goi Compares to Other Months

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

This table compares monthly weather conditions in Goi, 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 (65°F)	38 mm (1.5 inches)	66%	very high
February Weather	19°C (66°F)	26 mm (1.0 inches)	71%	very high
March Weather	22°C (72°F)	49 mm (1.9 inches)	69%	extreme
April Weather	24°C (76°F)	94 mm (3.7 inches)	64%	extreme
May Weather	28°C (83°F)	157 mm (6.2 inches)	73%	extreme
June Weather	31°C (88°F)	129 mm (5.1 inches)	81%	extreme
July Weather	30°C (87°F)	296 mm (11.7 inches)	90%	extreme
August Weather	29°C (85°F)	357 mm (14.1 inches)	89%	extreme
September Weather	28°C (84°F)	258 mm (10.2 inches)	82%	extreme
October Weather	25°C (78°F)	259 mm (10.2 inches)	77%	extreme
November Weather	23°C (73°F)	66 mm (2.6 inches)	72%	very high
December Weather	19°C (66°F)	37 mm (1.5 inches)	71%	high