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May Weather in Signau, Switzerland

Last updated: August 27, 2025

In Signau, Switzerland, the average temperature in May is 12°C (54°F), with minimums dropping to -3°C (26°F) and maximums reaching 29°C (84°F). Expect a total precipitation of 139 mm (5.5 in) spread over 19 days, contributing to a relatively high average humidity of 80%.

May Temperature in Signau

In May in Signau, the average temperature is 12°C (54°F), with maximums reaching 29°C (84°F) and minimums dropping as low as -3°C (26°F). This variation makes it essential for travelers to pack accordingly, ensuring they're prepared for both warm and cool conditions.

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

The chart illustrates May temperature patterns in Signau, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Signau, May typically has an average temperature of 12°C (54°F), with highs reaching up to 29°C (84°F) and lows dropping to around -3°C (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec323641475463656558493935
Data source: Temperature data for Signau 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 Signau

In Signau in May, the precipitation amount is 139 mm (5.5 in) over the course of 19 days.

May Precipitation Trends in Signau

The chart displays monthly precipitation patterns in Signau, 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 Signau, May typically receives around 139 mm (5.5 inches) of precipitation spread over approximately 19 days.
JanFebMarAprMayJunJulAugSepOctNovDec10482100721401331381348611276136
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Signau

In Signau in May, humidity is 80%. With an average temperature of 12°C (54°F), this humidity feels like a heavy blanket that wraps around you, making it feel much cooler and damp. Traveling in these conditions might leave you feeling chilly and slightly uncomfortable, as the moisture in the air clings to your skin and clothes, turning each step into a soggy endeavor.

May Average Humidity in Signau

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

In Signau 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 Signau.

Maximum UV Index Levels in Signau for May

The chart shows the monthly maximum UV Index (UVI) for Signau 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 Signau typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986422
Data source: Signau 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 Signau Compares to Other Months

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

This table compares monthly weather conditions in Signau, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)104 mm (4.1 inches)92%low
February Weather2°C (36°F)82 mm (3.2 inches)89%moderate
March Weather5°C (41°F)100 mm (3.9 inches)87%moderate
April Weather9°C (48°F)72 mm (2.8 inches)84%high
May Weather12°C (54°F)139 mm (5.5 inches)80%very high
June Weather17°C (63°F)133 mm (5.2 inches)82%very high
July Weather19°C (66°F)138 mm (5.4 inches)83%very high
August Weather18°C (65°F)134 mm (5.3 inches)80%very high
September Weather14°C (58°F)86 mm (3.4 inches)83%high
October Weather10°C (50°F)112 mm (4.4 inches)90%moderate
November Weather4°C (40°F)76 mm (3.0 inches)88%low
December Weather1°C (35°F)136 mm (5.3 inches)90%low

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