August Weather in Si Ma Cai, Vietnam

Last updated: August 28, 2025

In August, the average temperature in Si Ma Cai, Vietnam is a pleasant 24°C (76°F). Expect a minimum of 19°C (67°F) and a maximum soaring to 32°C (90°F). Despite the warmth, prepare for wet days, as precipitation averages 455 mm (17.9 in) over 28 days, with humidity lingering at a high 90%.

August Temperature in Si Ma Cai

In August in Si Ma Cai, the average temperature is 24°C (76°F), with maximums reaching up to 32°C (90°F) and minimums dropping as low as 19°C (67°F). This pleasant climate makes it an ideal destination for exploring and outdoor activities.

August Weather in Si Ma Cai: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Si Ma Cai, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Si Ma Cai, August typically has an average temperature of 24°C (76°F), with highs reaching up to 32°C (90°F) and lows dropping to around 19°C (67°F).

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

August Precipitation in Si Ma Cai

In Si Ma Cai in August, the total precipitation amount is 455 mm (17.9 in) over the course of 28 days.

August Precipitation Trends in Si Ma Cai

The chart displays monthly precipitation patterns in Si Ma Cai, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Si Ma Cai, August typically receives around 455 mm (17.9 inches) of precipitation spread over approximately 28 days.

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

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Millimeters (mm) Inches (in)

August Humidity in Si Ma Cai

In Si Ma Cai in August humidity is 90%. With an average temperature of 24°C (76°F), this humidity feels like stepping into a warm, thick blanket that envelops you, making every outdoor activity feel more exhausting than invigorating and prompting frequent breaks to cool off in the shade.

August Average Humidity in Si Ma Cai

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

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

August UV Index in Si Ma Cai

In Si Ma Cai in August, 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 Si Ma Cai, you can check here.

Maximum UV Index Levels in Si Ma Cai for August

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

Data source: Si Ma Cai August 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 August Weather in Si Ma Cai Compares to Other Months

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

This table compares monthly weather conditions in Si Ma Cai, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	13°C (56°F)	42 mm (1.7 inches)	57%	very high
February Weather	14°C (58°F)	28 mm (1.1 inches)	67%	very high
March Weather	18°C (65°F)	41 mm (1.6 inches)	58%	extreme
April Weather	20°C (69°F)	92 mm (3.6 inches)	53%	extreme
May Weather	23°C (74°F)	107 mm (4.2 inches)	69%	extreme
June Weather	25°C (77°F)	182 mm (7.2 inches)	83%	extreme
July Weather	24°C (76°F)	329 mm (12.9 inches)	90%	extreme
August Weather	24°C (76°F)	455 mm (17.9 inches)	90%	extreme
September Weather	23°C (74°F)	229 mm (9.0 inches)	81%	extreme
October Weather	20°C (69°F)	156 mm (6.1 inches)	75%	extreme
November Weather	17°C (63°F)	37 mm (1.5 inches)	74%	very high
December Weather	13°C (56°F)	35 mm (1.4 inches)	69%	very high