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March Weather in Willisau, Switzerland

Last updated: August 27, 2025

In Willisau, Switzerland, the average temperature in March hovers around 5°C (40°F). However, temperatures can swing widely, with a minimum of -14°C (6°F) and a maximum reaching 18°C (65°F). Expect 114 mm (4.5 in) of precipitation spread across 16 days, accompanied by a notably high average humidity of 87%.

March Temperature in Willisau

In March in Willisau, the average temperature is 5°C (40°F). Maximums can reach 18°C (65°F), while minimums can drop as low as -14°C (6°F). Be prepared for a wide range of temperatures during your travels!

March Weather in Willisau: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Willisau, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Willisau, March typically has an average temperature of 5°C (40°F), with highs reaching up to 18°C (65°F) and lows dropping to around -14°C (6°F).
JanFebMarAprMayJunJulAugSepOctNovDec323640465362646457493935
Data source: Temperature data for Willisau 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.

March Precipitation in Willisau

In Willisau in March, the precipitation amount is 114 mm (4.5 in), occurring over a span of 16 days.

March Precipitation Trends in Willisau

The chart displays monthly precipitation patterns in Willisau, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In Willisau, March typically receives around 114 mm (4.5 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec121961148815916016515710213180152
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Willisau

In Willisau in March, humidity is 87%. With an average temperature of 5°C (40°F), this humidity feels like a damp chill that wraps around you, making outdoor excursions less enjoyable and requiring extra layers to stay comfortable while exploring.

March Average Humidity in Willisau

This chart illustrates the average monthly humidity levels in Willisau, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in Willisau is approximately 87%, 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 March generated using information from the Copernicus Climate Change Service.

March UV Index in Willisau

In Willisau in March, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Willisau.

Maximum UV Index Levels in Willisau for March

The chart shows the monthly maximum UV Index (UVI) for Willisau in March, 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 March, the maximum UV index in Willisau typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986422
Data source: Willisau March 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 March Weather in Willisau Compares to Other Months

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

This table compares monthly weather conditions in Willisau, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)120 mm (4.7 inches)92%low
February Weather2°C (36°F)96 mm (3.8 inches)89%moderate
March Weather5°C (40°F)114 mm (4.5 inches)87%moderate
April Weather8°C (47°F)88 mm (3.4 inches)84%high
May Weather12°C (53°F)159 mm (6.3 inches)80%very high
June Weather17°C (62°F)159 mm (6.3 inches)82%very high
July Weather18°C (65°F)165 mm (6.5 inches)83%very high
August Weather18°C (64°F)157 mm (6.2 inches)80%very high
September Weather14°C (57°F)102 mm (4.0 inches)83%high
October Weather10°C (49°F)131 mm (5.2 inches)90%moderate
November Weather4°C (40°F)80 mm (3.2 inches)88%low
December Weather1°C (35°F)152 mm (6.0 inches)90%low

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