UV Index in Stadt Winterthur (Kreis 1), Switzerland

Last updated: June 2, 2025

Being aware of the UV Index is crucial for residents of Stadt Winterthur (Kreis 1), as it plays a vital role in preventing sunburn and protecting skin health. Understanding daily UV levels—especially in this temperate climate characterized by warm summers—can help individuals take appropriate precautions against harmful sun exposure. With peak UV readings reaching 9 around midday, the risk of skin damage increases significantly, making it essential to stay informed and proactive. By regularly checking the UV Index, you can enjoy the sunny days while safeguarding your skin from potential harm.

Hourly UV Index in Stadt Winterthur (Kreis 1)

As the sun rises, the UV Index begins its ascent, starting at a mild 1 at 07:00. By 08:00, it climbs to a 2, indicating a low risk of harm from unprotected sun exposure. However, from 09:00 onwards, the intensity builds, peaking at 9 between 13:00 and 14:00—a time when precautions are essential to protect skin from damage. The afternoon hours see a slight decrease, dropping to 8 at 15:00 and further declining to 4 by 17:00. As the sun sets, the UV Index falls back down to 1 by 19:00, marking a return to safer levels. Stay vigilant during those midday hours to enjoy the sunshine while keeping your skin healthy!

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
11:007high25 min
12:008very high15 min
13:009very high15 min
14:009very high15 min
15:008very high15 min
16:006high25 min
17:004moderate30 min
18:002low45 min
19:001low45 min

Monthly UV Index Trends in Stadt Winterthur (Kreis 1)

Throughout the year, the UV Index demonstrates notable seasonal variations that affect exposure risk. January and February have relatively low to moderate UV levels (Index 2-3), with safe burn times of 45 and 30 minutes respectively. As spring approaches, March sees a rise to an index of 5, and by April, it reaches 6, marking the beginning of high-risk months. The most critical period arrives in May and June, where the UV Index peaks at 8-9, indicating very high exposure risk and a reduced burn time of just 15 minutes. July and August maintain this peak, before tapering off in September with a return to a high risk (UV Index 6). October brings a moderate reduction (Index 4), while winter months November and December drop back to low levels. Visitors and residents should be particularly vigilant during May through September, using sunscreen and protective clothing to minimize harmful effects during these high-risk months.

Monthly Maximum UV Index for Stadt Winterthur (Kreis 1), Switzerland

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Stadt Winterthur (Kreis 1). It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec235689986421
Data source: Statistical UV Index data for Stadt Winterthur (Kreis 1), 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 Stadt Winterthur (Kreis 1) UV Index with Other Switzerland Cities

The table above highlights how UV exposure in Stadt Winterthur (Kreis 1) 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.
Stadt Winterthur (Kreis 1)'s solar exposure compared to other cities in Switzerland. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Basel UVI235689986421
Stadt Winterthur (Kreis 1)235689986421
Bern UVI235689986422
Zurich UVI235689986432
Geneve UVI2367810987532
Lausanne UVI2467810997532