nomadseason

August Weather in Grono, Switzerland

Last updated: August 27, 2025

In Grono, Switzerland, the average temperature in August hovers around 17°C (62°F), with a minimum drop to 6°C (44°F) and a maximum spike reaching 29°C (84°F). Expect some rainy days, as precipitation totals around 135 mm (5.3 in) over approximately 14 days. The air is often quite moist, with an average humidity level of 80%.

August Temperature in Grono

In August in Grono, the average temperature is 17°C (62°F). Maximums can reach 29°C (84°F), while minimums can be as low as 6°C (44°F). It's a great time for travelers to enjoy mild weather and pack for both warm days and cooler evenings.

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

The chart illustrates August 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, August typically has an average temperature of 17°C (62°F), with highs reaching up to 29°C (84°F) and lows dropping to around 6°C (44°F).
JanFebMarAprMayJunJulAugSepOctNovDec283337445160636255473730
Data source: Temperature data for Grono generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

August Precipitation in Grono

In Grono in August, the precipitation amount is 135 mm (5.3 in) over a period of 14 days.

August Precipitation Trends in Grono

The chart displays monthly precipitation patterns in Grono, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Grono, August typically receives around 135 mm (5.3 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec52508511415113192135113166139108
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

August Humidity in Grono

In Grono in August, humidity is 80%. With an average temperature of 17°C (62°F), this humidity feels like a heavy blanket wrapping around you, making travel sticky and uncomfortable, and often leaving you longing for a refreshing breeze.

August Average Humidity in Grono

This chart illustrates the average monthly humidity levels in Grono, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Grono is approximately 80%, 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 August generated using information from the Copernicus Climate Change Service.

August UV Index in Grono

In Grono in August, 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 Grono.

Maximum UV Index Levels in Grono for August

The chart shows the monthly maximum UV Index (UVI) for Grono in August, 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 August, the maximum UV index in Grono typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24689101097532
Data source: Grono August 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 August 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 August’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 August’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

Compare Grono's Climate with Cities Worldwide