UV Index in Challes-les-Eaux, France

Last updated: July 2, 2025

In the charming town of Challes-les-Eaux, France, understanding the UV Index is crucial for ensuring sun safety and protecting your skin health. With peak UV levels reaching a notable 9 during midday, being aware of these levels can help you prevent painful sunburns and long-term skin damage. Nestled in a temperate climate zone (Cfb), Challes-les-Eaux experiences varying UV exposure risks throughout the year, making it essential for residents and visitors alike to stay informed about daily UV trends. Embrace the sun wisely and safeguard your skin by keeping an eye on the UV Index!

Hourly UV Index in Challes-les-Eaux

The UV Index today presents a clear trajectory of increasing intensity under the midday sun. From a gentle start at 1 at 07:00, the index begins to rise, peaking at 9 between 13:00 and 14:00—a clear indicator to take extra sun safety precautions. As the afternoon wanes, the index gradually descends, dropping back to 5 by 17:00, and finally settling at 1 again by 19:00 as dusk approaches. It’s essential to stay sun-safe during peak hours, especially from 11:00 to 15:00, when UV levels are strongest and the sun is at its highest. Remember to wear sunscreen, seek shade, and stay hydrated!

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
08:001low45 min
09:003moderate30 min
10:004moderate30 min
11:007high25 min
12:008very high15 min
13:009very high15 min
14:009very high15 min
15:008very high15 min
16:007high25 min
17:005moderate30 min
18:003moderate30 min
19:001low45 min

Monthly UV Index Trends in Challes-les-Eaux

Throughout the year, the UV Index exhibits significant seasonal variation, reflecting changes in sun exposure levels that can impact skin health. Low-risk months are observed in January, December, and to some extent, November with indexes of 2 to 3, allowing for longer burn times of 30 to 45 minutes. The risk then rises substantially starting in February, peaks during the summer months of May through August with very high ratings between 8 and 10—advising visitors and residents to minimize exposure to just 15 minutes during these months. March and April also present high UV levels, emphasizing the need for protective measures. As fall approaches in September and October, the UV Index decreases but remains moderate, suggesting continued caution. To stay safe, individuals should apply sunscreen, wear protective clothing, and seek shade especially during the high-risk months of May to August.

Monthly Maximum UV Index for Challes-les-Eaux, France

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Challes-les-Eaux. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec2467810997532
Data source: Statistical UV Index data for Challes-les-Eaux, 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 Challes-les-Eaux UV Index with Other France Cities

The table above highlights how UV exposure in Challes-les-Eaux compares to other major locations across France. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.
Challes-les-Eaux's solar exposure compared to other cities in France. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Paris UVI235689886421
Lyon UVI2356810986532
Nice UVI2467810987532
Marseille UVI2457910987532
Challes-les-Eaux2467810997532
Toulouse UVI24679101097532