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May Weather in Giswil, Switzerland

Last updated: August 27, 2025

In May, the average temperature in Giswil, Switzerland hovers around 6°C (42°F), with a minimum drop of -8°C (18°F) and a peak reaching up to 20°C (69°F). Expect a fair bit of rainfall during this month, with 169 mm (6.7 in) of precipitation spread across 20 days, contributing to an average humidity of 80%.

May Temperature in Giswil

In May in Giswil, the average temperature is 6°C (42°F). The maximum can reach 20°C (69°F), while the minimum can drop as low as -8°C (18°F). This variety in temperatures makes it essential to pack layers for your travels.

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

The chart illustrates May temperature patterns in Giswil, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Giswil, May typically has an average temperature of 6°C (42°F), with highs reaching up to 20°C (69°F) and lows dropping to around -8°C (18°F).
JanFebMarAprMayJunJulAugSepOctNovDec212529354252555448413124
Data source: Temperature data for Giswil 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 Giswil

In Giswil, in May, the total precipitation amount is 169 mm (6.7 in) spread over 20 days.

May Precipitation Trends in Giswil

The chart displays monthly precipitation patterns in Giswil, 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 Giswil, May typically receives around 169 mm (6.7 inches) of precipitation spread over approximately 20 days.
JanFebMarAprMayJunJulAugSepOctNovDec140104132101169225244255161177109188
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Giswil

In Giswil in May humidity is 80%. With an average temperature of 6°C (42°F), this humidity feels like a damp chill wrapping around you, making every step outside feel heavier and more uncomfortable, and it's essential to dress in layers to stay warm while venturing out.

May Average Humidity in Giswil

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

In Giswil in May, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Giswil.

Maximum UV Index Levels in Giswil for May

The chart shows the monthly maximum UV Index (UVI) for Giswil 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 Giswil typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24689101097532
Data source: Giswil 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 Giswil Compares to Other Months

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

This table compares monthly weather conditions in Giswil, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (21°F)140 mm (5.5 inches)92%low
February Weather-4°C (25°F)104 mm (4.1 inches)89%moderate
March Weather-2°C (29°F)132 mm (5.2 inches)87%high
April Weather2°C (35°F)101 mm (4.0 inches)84%very high
May Weather6°C (42°F)169 mm (6.7 inches)80%very high
June Weather11°C (52°F)225 mm (8.9 inches)82%very high
July Weather13°C (55°F)244 mm (9.6 inches)83%very high
August Weather12°C (55°F)255 mm (10.0 inches)80%very high
September Weather9°C (48°F)161 mm (6.4 inches)83%high
October Weather5°C (41°F)177 mm (7.0 inches)90%moderate
November Weather-1°C (31°F)109 mm (4.3 inches)88%moderate
December Weather-5°C (24°F)188 mm (7.4 inches)90%low

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