UV Index in Bonaduz, Switzerland

Last updated: July 2, 2025

Understanding the UV Index in Bonaduz, Switzerland is crucial for protecting your skin and overall health. With UV levels peaking at a remarkable 10 in the midday sun, awareness of these readings can help prevent painful sunburns and long-term skin damage. Nestled in a unique climate zone, Bonaduz experiences high UV exposure, particularly during the summer months, making it essential for residents and visitors alike to stay informed and take appropriate precautions when enjoying the outdoors. By staying attentive to the UV Index, you can ensure safer sun exposure and promote healthier skin for years to come.

Hourly UV Index in Bonaduz

At dawn, the UV Index begins its climb, starting at a mild 1 at 07:00. As the sun rises higher, it steadily ascends, reaching 2 by 08:00 and escalating to 3 by 09:00. The peak of the day arrives at noon with a striking 9, just before it hits its maximum of 10 from 13:00 to 14:00, signifying a need for sun protection. The intensity begins to taper off after that, dropping to 9 at 15:00, then descending through 7 at 16:00, and winding down to 4 by 17:00. As evening approaches, the UV Index dwindles to 3 by 18:00 and finally returns to 1 by 19:00, illustrating the clear and powerful influence of the sun throughout the day.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
TimeUVICategoryTime to Burn
07:001low45 min
08:002low45 min
09:003moderate30 min
10:005moderate30 min
11:008very high15 min
12:009very high15 min
13:0010very high15 min
14:0010very high15 min
15:009very high15 min
16:007high25 min
17:004moderate30 min
18:003moderate30 min
19:001low45 min

Monthly UV Index Trends in Bonaduz

As the seasons change, so does the UV Index, reflecting fluctuations in UV radiation exposure throughout the year. The highest risk months generally occur from April to August, where the UV Index reaches peak levels of 8 to 10, indicating very high exposure and a burn time as short as 15 minutes. Visitors and residents are strongly advised to take protective measures during these months, such as wearing sunscreen, sunglasses, and protective clothing. In contrast, January and December are safer months with a low UV Index of 2, allowing for longer exposure times of 45 minutes. However, even during moderate months like February, October, and November, UV precautions remain important, as burn times drop to 30 minutes. Staying informed and protecting your skin year-round is essential for health and safety.

Monthly Maximum UV Index for Bonaduz, Switzerland

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Bonaduz. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec24789101097532
Data source: Statistical UV Index data for Bonaduz, based on 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.

Compare Bonaduz UV Index with Other Switzerland Cities

The table above highlights how UV exposure in Bonaduz compares to other major locations across Switzerland. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.
Bonaduz's solar exposure compared to other cities in Switzerland. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Basel UVI235689986421
Bern UVI235689986422
Zurich UVI235689986432
Geneve UVI2367810987532
Lausanne UVI2467810997532
Bonaduz24789101097532