October Weather in Sia, Vietnam

Last updated: August 28, 2025

In October, the average temperature in Sia, Vietnam reaches a pleasant 26°C (80°F), with minimums dipping to 22°C (71°F) and maximums soaring to 33°C (91°F). Expect a fair amount of rainfall, with 585 mm (23.0 in) of precipitation spread over 25 days. The air remains notably humid, averaging around 85%, creating a warm and tropical atmosphere perfect for exploring!

October Temperature in Sia

In October in Sia, the average temperature is 26°C (80°F). Maximum temperatures can reach 33°C (91°F), while minimums can dip as low as 22°C (71°F). This makes it an ideal time for travelers looking to enjoy warm weather with comfortable conditions.

October Weather in Sia: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Sia, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sia, October typically has an average temperature of 26°C (80°F), with highs reaching up to 33°C (91°F) and lows dropping to around 22°C (71°F).

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

October Precipitation in Sia

In Sia in October, the total precipitation amount averages 585 mm (23.0 in) over the course of 25 days.

October Precipitation Trends in Sia

The chart displays monthly precipitation patterns in Sia, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Sia, October typically receives around 585 mm (23.0 inches) of precipitation spread over approximately 25 days.

Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

October Humidity in Sia

In Sia in October humidity is 85%. With an average temperature of 26°C (80°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities quite challenging and necessitating regular breaks to stay hydrated while sightseeing.

October Average Humidity in Sia

This chart illustrates the average monthly humidity levels in Sia, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Sia is approximately 85%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Sia

In Sia in October, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Sia.

Maximum UV Index Levels in Sia for October

The chart shows the monthly maximum UV Index (UVI) for Sia in October, 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 October, the maximum UV index in Sia typically reaches 12, which falls under the extreme exposure category.

Data source: Sia October 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 October Weather in Sia Compares to Other Months

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

This table compares monthly weather conditions in Sia, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	22°C (71°F)	181 mm (7.1 inches)	77%	very high
February Weather	22°C (72°F)	96 mm (3.8 inches)	73%	extreme
March Weather	25°C (77°F)	81 mm (3.2 inches)	64%	extreme
April Weather	26°C (80°F)	132 mm (5.2 inches)	60%	extreme
May Weather	29°C (84°F)	175 mm (6.9 inches)	73%	extreme
June Weather	30°C (87°F)	146 mm (5.7 inches)	82%	extreme
July Weather	30°C (86°F)	220 mm (8.7 inches)	90%	extreme
August Weather	30°C (86°F)	189 mm (7.4 inches)	92%	extreme
September Weather	28°C (83°F)	274 mm (10.8 inches)	87%	extreme
October Weather	26°C (80°F)	585 mm (23.0 inches)	85%	extreme
November Weather	25°C (76°F)	605 mm (23.8 inches)	84%	very high
December Weather	22°C (72°F)	351 mm (13.8 inches)	83%	very high