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April Weather in Sumiswald, Switzerland

Last updated: August 27, 2025

In April, the average temperature in Sumiswald, Switzerland hovers around 9°C (48°F). Expect chilly moments with a minimum of -6°C (22°F), while warmer days can reach up to 24°C (75°F). Precipitation averages 72 mm (2.8 in) spread over 10 days, and the overall humidity is a notable 84%, creating a fresh and crisp atmosphere.

April Temperature in Sumiswald

In April in Sumiswald, the average temperature is 9°C (48°F). Maximums can reach 24°C (75°F) and minimums can be as low as -6°C (22°F). Be prepared for a wide range of temperatures when traveling, and pack accordingly!

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

The chart illustrates April temperature patterns in Sumiswald, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sumiswald, April typically has an average temperature of 9°C (48°F), with highs reaching up to 24°C (75°F) and lows dropping to around -6°C (22°F).
JanFebMarAprMayJunJulAugSepOctNovDec323641475463656558493935
Data source: Temperature data for Sumiswald 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 Sumiswald

In Sumiswald in April, the total precipitation amount is 72 mm (2.8 in) spread over a duration of 10 days.

April Precipitation Trends in Sumiswald

The chart displays monthly precipitation patterns in Sumiswald, 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 Sumiswald, April typically receives around 72 mm (2.8 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec10482100721401331381348611276136
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Sumiswald

In Sumiswald in April, humidity is 84%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill that envelops you, making it essential to dress in layers and stay active, as the moisture in the air can quickly lead to discomfort while traveling.

April Average Humidity in Sumiswald

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

In Sumiswald in April, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Sumiswald, you can refer to this Hourly UV Index in Sumiswald.

Maximum UV Index Levels in Sumiswald for April

The chart shows the monthly maximum UV Index (UVI) for Sumiswald 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 Sumiswald typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986422
Data source: Sumiswald 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 Sumiswald Compares to Other Months

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

This table compares monthly weather conditions in Sumiswald, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)104 mm (4.1 inches)92%low
February Weather2°C (36°F)82 mm (3.2 inches)89%moderate
March Weather5°C (41°F)100 mm (3.9 inches)87%moderate
April Weather9°C (48°F)72 mm (2.8 inches)84%high
May Weather12°C (54°F)139 mm (5.5 inches)80%very high
June Weather17°C (63°F)133 mm (5.2 inches)82%very high
July Weather19°C (66°F)138 mm (5.4 inches)83%very high
August Weather18°C (65°F)134 mm (5.3 inches)80%very high
September Weather14°C (58°F)86 mm (3.4 inches)83%high
October Weather10°C (50°F)112 mm (4.4 inches)90%moderate
November Weather4°C (40°F)76 mm (3.0 inches)88%low
December Weather1°C (35°F)136 mm (5.3 inches)90%low

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