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May Weather in Walenstadt, Switzerland

Last updated: August 27, 2025

In May, the average temperature in Walenstadt, Switzerland hovers around 8°C (47°F). Expect a range between a chilly -7°C (20°F) on the colder days and a pleasant 25°C (77°F) at the warmest. Throughout the month, you can anticipate about 217 mm (8.5 in) of precipitation over 23 days, with air humidity averaging a sticky 80%.

May Temperature in Walenstadt

In May in Walenstadt, the average temperature is 8°C (47°F), with maximums reaching up to 25°C (77°F) and minimums dropping as low as -7°C (20°F). Be prepared for a wide range of temperatures during your travels, ensuring you pack accordingly for both warm and chilly conditions.

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

The chart illustrates May temperature patterns in Walenstadt, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Walenstadt, May typically has an average temperature of 8°C (47°F), with highs reaching up to 25°C (77°F) and lows dropping to around -7°C (20°F).
JanFebMarAprMayJunJulAugSepOctNovDec242833404656575751443426
Data source: Temperature data for Walenstadt 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 Walenstadt

In Walenstadt in May, the precipitation amount is 217 mm (8.5 in) over the course of 23 days.

May Precipitation Trends in Walenstadt

The chart displays monthly precipitation patterns in Walenstadt, 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 Walenstadt, May typically receives around 217 mm (8.5 inches) of precipitation spread over approximately 23 days.
JanFebMarAprMayJunJulAugSepOctNovDec159108146125217230280302195165103189
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Walenstadt

In Walenstadt in May, humidity is 80%. With an average temperature of 8°C (47°F), this humidity feels like you're walking through a heavy mist, making your clothes cling to your skin and every step prone to a shiver, which can be quite uncomfortable for traveling.

May Average Humidity in Walenstadt

This chart illustrates the average monthly humidity levels in Walenstadt, 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 Walenstadt 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 Walenstadt

In Walenstadt 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 Walenstadt.

Maximum UV Index Levels in Walenstadt for May

The chart shows the monthly maximum UV Index (UVI) for Walenstadt 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 Walenstadt typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2367810986532
Data source: Walenstadt 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 Walenstadt Compares to Other Months

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

This table compares monthly weather conditions in Walenstadt, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (24°F)159 mm (6.3 inches)92%low
February Weather-2°C (28°F)108 mm (4.2 inches)89%moderate
March Weather0°C (33°F)146 mm (5.8 inches)87%high
April Weather4°C (40°F)125 mm (4.9 inches)84%high
May Weather8°C (47°F)217 mm (8.5 inches)80%very high
June Weather13°C (56°F)230 mm (9.1 inches)82%very high
July Weather14°C (57°F)280 mm (11.0 inches)83%very high
August Weather14°C (57°F)302 mm (11.9 inches)80%very high
September Weather10°C (51°F)195 mm (7.7 inches)83%high
October Weather6°C (44°F)165 mm (6.5 inches)90%moderate
November Weather1°C (35°F)103 mm (4.1 inches)88%moderate
December Weather-3°C (26°F)189 mm (7.4 inches)90%low

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