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April Weather in Lucerne, United States

Last updated: June 24, 2025

In Lucerne, United States, the average temperature in April hovers around 7°C (44°F). However, be prepared for weather surprises, as temperatures can dip as low as -15°C (5°F) or soar to a balmy 27°C (80°F). During this month, expect 53 mm (2.1 in) of precipitation spread over 9 days—so pack an umbrella! With an average humidity of 72%, the air can feel quite damp, adding to the overall chill.

April Temperature in Lucerne

In April in Lucerne, the average temperature is 7°C (44°F). Maximums can reach 27°C (80°F) while minimums can drop to as low as -15°C (5°F). Travelers should be prepared for a wide range of temperatures, ensuring they have clothing suitable for both mild and extreme weather conditions.

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

The chart illustrates April 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, April typically has an average temperature of 7°C (44°F), with highs reaching up to 27°C (80°F) and lows dropping to around -15°C (5°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.

April Precipitation in Lucerne

In Lucerne in April, the total precipitation amount is 53 mm (2.1 in) spread over 9 days.

April Precipitation Trends in Lucerne

The chart displays monthly precipitation patterns in Lucerne, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Lucerne, April typically receives around 53 mm (2.1 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec112122536727131827271714
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Lucerne

In Lucerne in April, humidity is 72%. With an average temperature of 7°C (44°F), this humidity feels like a persistent chill that penetrates through clothing, making travel uncomfortable and damp, especially during outdoor excursions.

April Average Humidity in Lucerne

This chart illustrates the average monthly humidity levels in Lucerne, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Lucerne is approximately 72%, 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 April generated using information from the Copernicus Climate Change Service.

April UV Index in Lucerne

In Lucerne in April, 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 Lucerne.

Maximum UV Index Levels in Lucerne for April

The chart shows the monthly maximum UV Index (UVI) for Lucerne in April, 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 April, the maximum UV index in Lucerne typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3569101111109643
Data source: Lucerne April 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 April 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 April’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 April’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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