April Weather in Sion, Peru

Last updated: August 27, 2025

In Sion, Peru, the average temperature in April hovers around 23°C (74°F), offering a pleasant climate for outdoor activities. However, temperatures can range from a comfortable 15°C (60°F) to a warm 32°C (89°F). Expect significant precipitation, with about 202 mm (7.9 in) falling over 24 days. The air is quite humid, with an average humidity level of 86%, making it feel even warmer.

April Temperature in Sion

In April in Sion, the average temperature is 23°C (74°F). Maximums can reach 32°C (89°F), while minimums can drop to as low as 15°C (60°F). It's a great time to visit, offering warm weather perfect for outdoor activities and exploration.

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

The chart illustrates April 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, April typically has an average temperature of 23°C (74°F), with highs reaching up to 32°C (89°F) and lows dropping to around 15°C (60°F).

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

April Precipitation in Sion

In Sion in April, the total precipitation amount is 202 mm (7.9 in) over the course of 24 days.

April Precipitation Trends in Sion

The chart displays monthly precipitation patterns in Sion, 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 Sion, April typically receives around 202 mm (7.9 inches) of precipitation spread over approximately 24 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 Sion

In Sion in April, humidity is 86%. With an average temperature of 23°C (74°F), this humidity feels like you're stepping into a warm embrace, making travel a bit sticky yet invigorating, as the air wraps around you, inviting you to explore while reminding you to stay hydrated.

April Average Humidity in Sion

This chart illustrates the average monthly humidity levels in Sion, 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 Sion is approximately 86%, 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 Sion

In Sion in April, the maximum UV index is 16, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, making it crucial to take protective measures. For detailed information, you can refer to the Hourly UV Index in Sion.

Maximum UV Index Levels in Sion for April

The chart shows the monthly maximum UV Index (UVI) for Sion 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 Sion typically reaches 16, which falls under the extreme exposure category.

Data source: Sion 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 Sion Compares to Other Months

Weather in Sion varies notably across the year, with each month offering distinct climate conditions. This page compares April’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 April’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