UV Index in Thorens-Glieres, France

Last updated: July 2, 2025

In Thorens-Glieres, France, understanding the UV Index is essential for maintaining skin health and preventing sunburn. With its temperate climate (Cfb), residents and visitors should be aware of varying UV levels throughout the day, particularly during peak midday hours when the index can soar to 10. Awareness of these fluctuations not only helps in safeguarding against harmful skin damage but also enhances outdoor enjoyment by ensuring you're well-prepared for the sun's rays. So, whether you’re hiking in the beautiful Alps or enjoying a leisurely afternoon, keeping an eye on the UV Index can make all the difference in protecting your skin.

Hourly UV Index in Thorens-Glieres

The UV Index is a dynamic measure of solar intensity throughout the day, peaking dramatically at 12:00 PM with a notable 9, reaching its zenith at 1:00 PM and 2:00 PM with a maximum value of 10. During this period, it's essential to protect your skin from harmful UV rays. Early morning hours remain quite low, peaking at just 1 by 08:00 AM, while by 10:00 AM the index climbs to 5. As the sun continues to rise, it climbs swiftly to 7 by 11:00 AM, making midday the crucial time for sunscreen and shade. As the afternoon wanes, the UV Index gradually decreases, falling back to 5 by 5:00 PM, and finally settling at 1 by 7:00 PM, signaling a safe return to outdoor activities. Stay vigilant and enjoy the sunshine safely!

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
10:005moderate30 min
11:007high25 min
12:009very high15 min
13:0010very high15 min
14:0010very high15 min
15:009very high15 min
16:007high25 min
17:005moderate30 min
18:003moderate30 min
19:001low45 min

Monthly UV Index Trends in Thorens-Glieres

Throughout the year, seasonal changes in UV exposure highlight significant fluctuations in the UV Index. The months of May through August are particularly high-risk, with UV Index values reaching a peak of 10, indicating very high exposure and a burn time of only 15 minutes. Visitors and residents should remain vigilant during these months, employing protective measures such as sunscreen and clothing, especially between 10 AM and 4 PM when UV exposure is strongest. March and April also show increased risk with UV Index values of 6 and 7 respectively. Conversely, January and December present lower risk levels, with UV Index values of 2 indicating low exposure and longer potential burn times of 45 minutes. It is essential to monitor UV levels year-round and adjust sun protection strategies accordingly to ensure safety.

Monthly Maximum UV Index for Thorens-Glieres, France

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Thorens-Glieres. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec24679101097532
Data source: Statistical UV Index data for Thorens-Glieres, 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 Thorens-Glieres UV Index with Other France Cities

The table above highlights how UV exposure in Thorens-Glieres 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.
Thorens-Glieres'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
Thorens-Glieres24679101097532
Toulouse UVI24679101097532