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May Weather in Walchwil, Switzerland

Last updated: August 27, 2025

In May, the average temperature in Walchwil, Switzerland hovers around 10°C (51°F). Expect a temperature range from a chilly -7°C (19°F) to a warm 27°C (80°F). During this month, precipitation is notable at 163 mm (6.4 in) occurring over 19 days, contributing to an average humidity of 80%.

May Temperature in Walchwil

In May in Walchwil, the average temperature is 10°C (51°F). Maximums can reach 27°C (80°F), while minimums can drop as low as -7°C (19°F). This varied climate makes Walchwil an intriguing destination for travelers seeking a range of experiences.

May Weather in Walchwil: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Walchwil, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Walchwil, May typically has an average temperature of 10°C (51°F), with highs reaching up to 27°C (80°F) and lows dropping to around -7°C (19°F).
JanFebMarAprMayJunJulAugSepOctNovDec303438445160636356483933
Data source: Temperature data for Walchwil generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Walchwil

In Walchwil in May, the precipitation amount is 163 mm (6.4 in), occurring over a span of 19 days.

May Precipitation Trends in Walchwil

The chart displays monthly precipitation patterns in Walchwil, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Walchwil, May typically receives around 163 mm (6.4 inches) of precipitation spread over approximately 19 days.
JanFebMarAprMayJunJulAugSepOctNovDec144106127104163189190203146165102171
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Walchwil

In Walchwil in May, humidity is 80%. With an average temperature of 10°C (51°F), this humidity feels like a damp layer clinging to the skin, making outdoor activities uncomfortable and requiring travelers to dress in layers to cope with the chill and moisture in the air.

May Average Humidity in Walchwil

This chart illustrates the average monthly humidity levels in Walchwil, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Walchwil is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%89%87%84%80%82%83%80%83%90%89%90%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Walchwil

In Walchwil in May, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Walchwil.

Maximum UV Index Levels in Walchwil for May

The chart shows the monthly maximum UV Index (UVI) for Walchwil in May, 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 May, the maximum UV index in Walchwil typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986432
Data source: Walchwil May 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 May Weather in Walchwil Compares to Other Months

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

This table compares monthly weather conditions in Walchwil, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)144 mm (5.7 inches)92%low
February Weather1°C (34°F)106 mm (4.2 inches)89%moderate
March Weather3°C (38°F)127 mm (5.0 inches)87%moderate
April Weather7°C (45°F)104 mm (4.1 inches)84%high
May Weather10°C (51°F)163 mm (6.4 inches)80%very high
June Weather16°C (60°F)189 mm (7.4 inches)82%very high
July Weather17°C (63°F)190 mm (7.5 inches)83%very high
August Weather17°C (63°F)203 mm (8.0 inches)80%very high
September Weather13°C (56°F)146 mm (5.8 inches)83%high
October Weather9°C (49°F)165 mm (6.5 inches)90%moderate
November Weather4°C (39°F)102 mm (4.0 inches)88%moderate
December Weather1°C (33°F)171 mm (6.7 inches)90%low

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