April Weather in Arch, Switzerland

Last updated: August 27, 2025

In April, the average temperature in Arch, Switzerland hovers around 9°C (49°F). While temperatures can dip as low as -4°C (24°F), they can also peak at a pleasant 25°C (78°F). Expect around 69 mm (2.7 in) of precipitation over 12 days, contributing to an average humidity level of 84%.

April Temperature in Arch

In April in Arch, the average temperature is 9°C (49°F). Maximums can reach 25°C (78°F), and minimums can drop as low as -4°C (24°F). Be prepared for a range of temperatures during your travels, and pack accordingly!

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

The chart illustrates April temperature patterns in Arch, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Arch, April typically has an average temperature of 9°C (49°F), with highs reaching up to 25°C (78°F) and lows dropping to around -4°C (24°F).

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

April Precipitation in Arch

In Arch in April, the precipitation amount is 69 mm (2.7 in) over the span of 12 days.

April Precipitation Trends in Arch

The chart displays monthly precipitation patterns in Arch, 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 Arch, April typically receives around 69 mm (2.7 inches) of precipitation spread over approximately 12 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

April Humidity in Arch

In Arch in April, humidity is 84%. With an average temperature of 9°C (49°F), this humidity feels like a chilly embrace, making travel uncomfortable as the dampness seeps into your clothes and lingers in the air, leaving you feeling cool yet clammy.

April Average Humidity in Arch

This chart illustrates the average monthly humidity levels in Arch, 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 Arch is approximately 84%, 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 Arch

In Arch in April, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Arch, you can refer to this Hourly UV Index in Arch.

Maximum UV Index Levels in Arch for April

The chart shows the monthly maximum UV Index (UVI) for Arch 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 Arch typically reaches 6, which falls under the high exposure category.

Data source: Arch 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 Arch Compares to Other Months

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

This table compares monthly weather conditions in Arch, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	1°C (33°F)	97 mm (3.8 inches)	91%	low
February Weather	3°C (38°F)	80 mm (3.1 inches)	89%	moderate
March Weather	6°C (42°F)	97 mm (3.8 inches)	87%	moderate
April Weather	9°C (49°F)	69 mm (2.7 inches)	84%	high
May Weather	13°C (55°F)	149 mm (5.9 inches)	80%	very high
June Weather	18°C (65°F)	134 mm (5.3 inches)	82%	very high
July Weather	19°C (67°F)	140 mm (5.5 inches)	82%	very high
August Weather	19°C (66°F)	145 mm (5.7 inches)	77%	very high
September Weather	15°C (59°F)	77 mm (3.0 inches)	81%	high
October Weather	10°C (50°F)	102 mm (4.0 inches)	89%	moderate
November Weather	4°C (40°F)	79 mm (3.1 inches)	89%	low
December Weather	2°C (36°F)	130 mm (5.1 inches)	91%	low