UV Index in Chamrousse, France

Last updated: July 2, 2025

In Chamrousse, France, being mindful of the UV Index is crucial for maintaining skin health and preventing sunburn, especially during the summer months when UV levels can soar. Understanding the daily UV index helps residents and visitors alike protect themselves from harmful rays that can lead to skin damage, even on cloudy days. Nestled in a Cfb climate zone, Chamrousse experiences a unique mix of alpine weather, which can sometimes obscure the intensity of UV exposure. With peak levels reaching 10 around midday, it's essential to stay informed and take necessary precautions to enjoy the stunning mountain scenery safely.

Hourly UV Index in Chamrousse

As the sun rises, the UV Index starts off low, hitting just 1 by 07:00 and maintaining that level through 08:00. However, as the morning progresses, anticipation builds with a steady climb to 3 by 09:00 and peaking at a noteworthy 5 by 10:00. The intensity escalates sharply, reaching a maximum of 10 between 13:00 and 14:00, indicating a significant risk for unprotected skin. Gradually, the UV Index begins to decline, dropping back to 9 at 15:00 and easing down to 5, 3, and finally 2 as the day winds down through 17:00 to 19:00. A day to remember for sun seekers, but remember to apply that sunscreen during peak hours!

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
19:002low45 min

Monthly UV Index Trends in Chamrousse

Throughout the year, the UV Index demonstrates significant seasonal changes, with the highest levels occurring during the summer months. From March to August, the UV Index reaches high to very high categories, peaking at 10 in June and July, when the burn time is as little as 15 minutes. The high-risk months for sun exposure are April through August, where individuals should take precautionary measures. Residents and visitors are advised to use sunscreen, wear protective clothing, and seek shade to minimize the risk of skin damage during these months. As the year progresses into fall and winter, the UV Index decreases, reaching a low of 2 in December, where a burn time of 45 minutes is typical; however, caution should still be exercised when outdoors.

Monthly Maximum UV Index for Chamrousse, France

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Chamrousse. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec34689101097532
Data source: Statistical UV Index data for Chamrousse, 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 Chamrousse UV Index with Other France Cities

The table above highlights how UV exposure in Chamrousse 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.
Chamrousse'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
Toulouse UVI24679101097532
Chamrousse34689101097532