April Weather in Sia, Vietnam

Last updated: August 28, 2025

In April, the average temperature in Sia, Vietnam is a warm 26°C (80°F), with a minimum dipping to 19°C (66°F) and a maximum soaring up to 36°C (98°F). Expect about 132 mm (5.2 in) of precipitation spread over 13 days, alongside an average humidity level of 60%. Enjoy the balmy weather while being prepared for some rain!

April Temperature in Sia

In April, in Sia, the average temperature is 26°C (80°F). Maximums can reach 36°C (98°F), and minimums can be as low as 19°C (66°F). Overall, this makes Sia a great destination for travelers seeking warm weather.

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

The chart illustrates April 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, April typically has an average temperature of 26°C (80°F), with highs reaching up to 36°C (98°F) and lows dropping to around 19°C (66°F).

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

April Precipitation in Sia

In Sia in April, the precipitation amount is 132 mm (5.2 in) over the course of 13 days.

April Precipitation Trends in Sia

The chart displays monthly precipitation patterns in Sia, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Sia, April typically receives around 132 mm (5.2 inches) of precipitation spread over approximately 13 days.

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

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Millimeters (mm) Inches (in)

April Humidity in Sia

In Sia in April humidity is 60%. With an average temperature of 26°C (80°F), this humidity feels like a warm embrace, making travel comfortable yet requiring occasional breaks to rehydrate and enjoy the scenery without feeling fatigued.

April Average Humidity in Sia

This chart illustrates the average monthly humidity levels in Sia, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Sia is approximately 60%, offering insight into how humid the weather typically is during this month.

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

April UV Index in Sia

In Sia in April, 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 April

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

Data source: Sia April 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 April 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 April’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 April’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