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April Weather in Flums, Switzerland

Last updated: August 27, 2025

In April, the average temperature in Flums, Switzerland hovers around 4°C (40°F). Be prepared for a range of temperatures, as it can dip to a minimum of -20°C (-4°F) and rise to a maximum of 20°C (68°F). Expect 125 mm (4.9 in) of precipitation spread over approximately 13 days, with an average humidity level of 84%.

April Temperature in Flums

In April in Flums, the average temperature is 4°C (40°F). Maximums can reach 20°C (68°F), while minimums can dip as low as -20°C (-4°F). Be prepared for a wide range of temperatures if you're planning a visit during this month.

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

The chart illustrates April temperature patterns in Flums, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Flums, April typically has an average temperature of 4°C (40°F), with highs reaching up to 20°C (68°F) and lows dropping to around -20°C (-4°F).
JanFebMarAprMayJunJulAugSepOctNovDec242833404656575751443426
Data source: Temperature data for Flums 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 Flums

In Flums in April, the total precipitation amount is 125 mm (4.9 in), occurring over a span of 13 days.

April Precipitation Trends in Flums

The chart displays monthly precipitation patterns in Flums, 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 Flums, April typically receives around 125 mm (4.9 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec159108146125217230280302195165103189
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Flums

In Flums in April, humidity is 84%. With an average temperature of 4°C (40°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities uncomfortable and requiring extra layers to stay warm and dry while traveling.

April Average Humidity in Flums

This chart illustrates the average monthly humidity levels in Flums, 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 Flums is approximately 84%, 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 April generated using information from the Copernicus Climate Change Service.

April UV Index in Flums

In Flums in April, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Flums.

Maximum UV Index Levels in Flums for April

The chart shows the monthly maximum UV Index (UVI) for Flums 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 Flums typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2367810986532
Data source: Flums 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 Flums Compares to Other Months

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

This table compares monthly weather conditions in Flums, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (24°F)159 mm (6.3 inches)92%low
February Weather-2°C (28°F)108 mm (4.2 inches)89%moderate
March Weather0°C (33°F)146 mm (5.8 inches)87%high
April Weather4°C (40°F)125 mm (4.9 inches)84%high
May Weather8°C (47°F)217 mm (8.5 inches)80%very high
June Weather13°C (56°F)230 mm (9.1 inches)82%very high
July Weather14°C (57°F)280 mm (11.0 inches)83%very high
August Weather14°C (57°F)302 mm (11.9 inches)80%very high
September Weather10°C (51°F)195 mm (7.7 inches)83%high
October Weather6°C (44°F)165 mm (6.5 inches)90%moderate
November Weather1°C (35°F)103 mm (4.1 inches)88%moderate
December Weather-3°C (26°F)189 mm (7.4 inches)90%low

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