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May Weather in Lucerne, United States

Last updated: June 24, 2025

In Lucerne, United States, the average temperature in May hovers around 12°C (54°F). However, temperatures can swing dramatically, with a minimum of -4°C (25°F) and a maximum of 31°C (88°F). Expect about 67 mm (2.6 in) of precipitation over approximately 10 days, contributing to an average humidity level of 69%.

May Temperature in Lucerne

In May in Lucerne, the average temperature is 12°C (54°F). The maximum can reach 31°C (88°F) and the minimum can be as low as -4°C (25°F). Be prepared for a wide range of temperatures, making it essential to pack layered clothing for your travels.

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

The chart illustrates May temperature patterns in Lucerne, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lucerne, May typically has an average temperature of 12°C (54°F), with highs reaching up to 31°C (88°F) and lows dropping to around -4°C (25°F).
JanFebMarAprMayJunJulAugSepOctNovDec212137445467767262443424
Data source: Temperature data for Lucerne 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 Lucerne

In Lucerne in May, the total precipitation amount is 67 mm (2.6 in) over a period of 10 days.

May Precipitation Trends in Lucerne

The chart displays monthly precipitation patterns in Lucerne, 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 Lucerne, May typically receives around 67 mm (2.6 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec112122536727131827271714
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Lucerne

In Lucerne in May humidity is 69%. With an average temperature of 12°C (54°F), this humidity feels like a cool, brisk morning, perfect for a light jacket but a bit damp, making outdoor activities refreshing yet slightly uncomfortable for prolonged exposure.

May Average Humidity in Lucerne

This chart illustrates the average monthly humidity levels in Lucerne, 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 Lucerne is approximately 69%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%89%82%72%69%67%65%59%59%69%83%89%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Lucerne

In Lucerne in May, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Lucerne.

Maximum UV Index Levels in Lucerne for May

The chart shows the monthly maximum UV Index (UVI) for Lucerne 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 Lucerne typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3569101111109643
Data source: Lucerne 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 Lucerne Compares to Other Months

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

This table compares monthly weather conditions in Lucerne, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (21°F)11 mm (0.4 inches)90%moderate
February Weather-6°C (21°F)21 mm (0.8 inches)89%moderate
March Weather3°C (37°F)22 mm (0.9 inches)82%high
April Weather7°C (44°F)53 mm (2.1 inches)72%very high
May Weather12°C (54°F)67 mm (2.6 inches)69%very high
June Weather20°C (68°F)27 mm (1.1 inches)67%extreme
July Weather24°C (76°F)13 mm (0.5 inches)65%extreme
August Weather22°C (72°F)18 mm (0.7 inches)59%very high
September Weather17°C (62°F)27 mm (1.0 inches)59%very high
October Weather7°C (44°F)27 mm (1.1 inches)69%high
November Weather1°C (35°F)17 mm (0.7 inches)83%moderate
December Weather-4°C (24°F)14 mm (0.6 inches)89%moderate

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