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April Weather in Grono, Switzerland

Last updated: August 27, 2025

In April, the average temperature in Grono, Switzerland hovers around 7°C (44°F), with fluctuations ranging from a chilly -6°C (21°F) to a mild 20°C (68°F). Expect 114 mm (4.5 in) of precipitation over approximately 11 days, accompanied by a heightened average humidity of 84%.

April Temperature in Grono

In April in Grono, the average temperature is 7°C (44°F), with maximums reaching 20°C (68°F) and minimums dipping as low as -6°C (21°F). Be sure to pack layers to stay comfortable while exploring the area's diverse weather.

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

The chart illustrates April temperature patterns in Grono, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grono, April typically has an average temperature of 7°C (44°F), with highs reaching up to 20°C (68°F) and lows dropping to around -6°C (21°F).
JanFebMarAprMayJunJulAugSepOctNovDec283337445160636255473730
Data source: Temperature data for Grono 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 Grono

In Grono in April, the total precipitation amount is 114 mm (4.5 in) spread over 11 days.

April Precipitation Trends in Grono

The chart displays monthly precipitation patterns in Grono, 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 Grono, April typically receives around 114 mm (4.5 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec52508511415113192135113166139108
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Grono

In Grono in April humidity is 84%. With an average temperature of 7°C (44°F), this humidity feels like a damp chill that seeps into your bones, making it uncomfortable for traveling and requiring extra layers to stay warm and dry.

April Average Humidity in Grono

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

In Grono in April, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Grono.

Maximum UV Index Levels in Grono for April

The chart shows the monthly maximum UV Index (UVI) for Grono 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 Grono typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24689101097532
Data source: Grono 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 Grono Compares to Other Months

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

This table compares monthly weather conditions in Grono, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (28°F)52 mm (2.0 inches)92%low
February Weather0°C (33°F)50 mm (2.0 inches)89%moderate
March Weather3°C (37°F)85 mm (3.3 inches)87%high
April Weather7°C (44°F)114 mm (4.5 inches)84%very high
May Weather10°C (51°F)151 mm (6.0 inches)80%very high
June Weather15°C (60°F)131 mm (5.2 inches)82%very high
July Weather17°C (63°F)92 mm (3.6 inches)83%very high
August Weather17°C (62°F)135 mm (5.3 inches)80%very high
September Weather13°C (55°F)113 mm (4.4 inches)83%high
October Weather8°C (47°F)166 mm (6.5 inches)90%moderate
November Weather3°C (38°F)139 mm (5.5 inches)88%moderate
December Weather-1°C (30°F)108 mm (4.2 inches)90%low

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