March Weather in Sion, Peru

Last updated: August 27, 2025

In March, the average temperature in Sion, Peru is a comfortable 23°C (73°F). Expect minimums as low as 16°C (62°F) and maximums soaring to 33°C (91°F). With precipitation totaling 296 mm (11.7 in) over 28 days, you might want to keep an umbrella handy. The average humidity hovers around a sultry 81%, adding to the tropical vibe of the season.

March Temperature in Sion

In March in Sion, the average temperature is 23°C (73°F), with maximums reaching up to 33°C (91°F) and minimums dropping as low as 16°C (62°F). This pleasant weather makes it an ideal time for travelers to explore and enjoy outdoor activities.

March Weather in Sion: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Sion, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sion, March typically has an average temperature of 23°C (73°F), with highs reaching up to 33°C (91°F) and lows dropping to around 16°C (62°F).

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

March Precipitation in Sion

In Sion in March, the total precipitation amount is 296 mm (11.7 in) distributed over a span of 28 days.

March Precipitation Trends in Sion

The chart displays monthly precipitation patterns in Sion, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In Sion, March typically receives around 296 mm (11.7 inches) of precipitation spread over approximately 28 days.

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

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Millimeters (mm) Inches (in)

March Humidity in Sion

In Sion in March, humidity is 81%. With an average temperature of 23°C (73°F), this humidity feels like a heavy blanket wrapping around you, making every step feel more laborious while traveling and causing you to constantly seek out shade or a cool breeze for relief.

March Average Humidity in Sion

This chart illustrates the average monthly humidity levels in Sion, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in Sion is approximately 81%, offering insight into how humid the weather typically is during this month.

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

March UV Index in Sion

In Sion in March, the maximum UV index reaches an alarming 17, which falls under the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to stay protected. For more details on the hourly UV index in Sion, you can check Hourly UV Index in Sion.

Maximum UV Index Levels in Sion for March

The chart shows the monthly maximum UV Index (UVI) for Sion in March, 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 March, the maximum UV index in Sion typically reaches 17, which falls under the extreme exposure category.

Data source: Sion March 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 March Weather in Sion Compares to Other Months

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

This table compares monthly weather conditions in Sion, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	23°C (74°F)	284 mm (11.2 inches)	80%	extreme
February Weather	23°C (74°F)	246 mm (9.7 inches)	76%	extreme
March Weather	23°C (73°F)	296 mm (11.7 inches)	81%	extreme
April Weather	23°C (74°F)	202 mm (7.9 inches)	86%	extreme
May Weather	23°C (73°F)	186 mm (7.3 inches)	86%	extreme
June Weather	23°C (73°F)	112 mm (4.4 inches)	70%	extreme
July Weather	22°C (72°F)	74 mm (2.9 inches)	47%	extreme
August Weather	23°C (74°F)	56 mm (2.2 inches)	37%	extreme
September Weather	24°C (76°F)	48 mm (1.9 inches)	42%	extreme
October Weather	24°C (76°F)	170 mm (6.7 inches)	62%	extreme
November Weather	24°C (75°F)	254 mm (10.0 inches)	76%	extreme
December Weather	23°C (74°F)	296 mm (11.7 inches)	89%	extreme