April Weather in Si Ma Cai, Vietnam

Last updated: August 28, 2025

In April, the average temperature in Si Ma Cai, Vietnam is a pleasant 20°C (69°F), with a minimum dipping to 8°C (46°F) and a maximum reaching up to 33°C (92°F). Expect about 92 mm (3.6 in) of precipitation spread over 13 days, contributing to an average humidity level of 53%.

April Temperature in Si Ma Cai

In April in Si Ma Cai, the average temperature is 20°C (69°F), with maximums reaching 33°C (92°F) and minimums dipping as low as 8°C (46°F). This makes Si Ma Cai an ideal destination for travelers seeking pleasant and varied weather experiences.

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

The chart illustrates April 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, April typically has an average temperature of 20°C (69°F), with highs reaching up to 33°C (92°F) and lows dropping to around 8°C (46°F).

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

April Precipitation in Si Ma Cai

In Si Ma Cai in April, the precipitation amount is 92 mm (3.6 in) spread over 13 days.

April Precipitation Trends in Si Ma Cai

The chart displays monthly precipitation patterns in Si Ma Cai, 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 Si Ma Cai, April typically receives around 92 mm (3.6 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 Si Ma Cai

In Si Ma Cai in April humidity is 53%. With an average temperature of 20°C (69°F), this humidity feels like a gentle embrace, making it comfortable for traveling as long as you stay hydrated and take breaks in the shade.

April Average Humidity in Si Ma Cai

This chart illustrates the average monthly humidity levels in Si Ma Cai, 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 Si Ma Cai is approximately 53%, 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 Si Ma Cai

In Si Ma Cai in April, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Si Ma Cai.

Maximum UV Index Levels in Si Ma Cai for April

The chart shows the monthly maximum UV Index (UVI) for Si Ma Cai 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 Si Ma Cai typically reaches 13, which falls under the extreme exposure category.

Data source: Si Ma Cai 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 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 April’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 April’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