July Weather in Sia, Vietnam

Last updated: August 28, 2025

In July, the average temperature in Sia, Vietnam hovers around 30°C (86°F), with a comfortable minimum of 25°C (78°F) and a sizzling maximum reaching 38°C (100°F). Expect precipitation of 220 mm (8.7 in) over approximately 16 days, contributing to an average humidity level of 90%. Whether you're enjoying the warm weather or bracing for rain, be prepared for a humid experience!

July Temperature in Sia

In July in Sia, the average temperature is 30°C (86°F). Maximums can reach 38°C (100°F), while minimums can drop to as low as 25°C (78°F). Be prepared for warm weather and stay hydrated while exploring!

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

The chart illustrates July 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, July typically has an average temperature of 30°C (86°F), with highs reaching up to 38°C (100°F) and lows dropping to around 25°C (78°F).

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

July Precipitation in Sia

In Sia in July, the precipitation amount is 220 mm (8.7 in) over a span of 16 days.

July Precipitation Trends in Sia

The chart displays monthly precipitation patterns in Sia, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In Sia, July typically receives around 220 mm (8.7 inches) of precipitation spread over approximately 16 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

July Humidity in Sia

In Sia in July humidity is 90%. With an average temperature of 30°C (86°F), this humidity feels like an oppressive blanket wrapping around you, making traveling feel like a sweaty challenge as every step drains your energy and air feels thick and heavy.

July Average Humidity in Sia

This chart illustrates the average monthly humidity levels in Sia, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in Sia is approximately 90%, offering insight into how humid the weather typically is during this month.

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

July UV Index in Sia

In Sia in July, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Sia, you can check here.

Maximum UV Index Levels in Sia for July

The chart shows the monthly maximum UV Index (UVI) for Sia in July, 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 July, the maximum UV index in Sia typically reaches 14, which falls under the extreme exposure category.

Data source: Sia July 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 July 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 July’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 July’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