UV Index in Sizun, France

Last updated: August 1, 2025

Being aware of the UV Index is crucial for residents and visitors of Sizun, France, where the unique climate can lead to varying levels of sun exposure throughout the day. Understanding UV levels is vital for preventing sunburn and protecting your skin health, especially during peak hours when the index reaches as high as 9—a level that can pose significant risks. The Cfb climate of Sizun, characterized by mild summers and high humidity, can sometimes lead people to underestimate UV exposure. Stay informed and take the necessary precautions to enjoy the sun safely while exploring this beautiful region!

Hourly UV Index in Sizun

The UV Index on this sunny day starts off modestly, peaking at 1 between 07:00 and 09:00, indicating minimal risk for harm from unprotected sun exposure. As the day progresses, we see a noticeable climb: by 10:00, the index reaches 3, and by noon, it escalates to a significant 7. The highest point occurs at 14:00, with a peak of 9, highlighting a high risk of harm from unprotected sun exposure during these hours. As the afternoon transitions to evening, the index gradually declines to 2 by 19:00, suggesting a safer window for outdoor activities. It’s a clear reminder to stay protected, especially during the peak hours of 12:00 to 15:00 when the sun’s intensity is at its strongest!

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
09:001low45 min
10:003moderate30 min
11:004moderate30 min
12:006high25 min
13:007high25 min
14:008very high15 min
15:008very high15 min
16:007high25 min
17:005moderate30 min
18:003moderate30 min
19:002low45 min

Monthly UV Index Trends in Sizun

Throughout the year, UV radiation levels fluctuate significantly, with distinct high-risk months emerging in the summer. From May to August, the UV Index is categorized as very high (ranging from 8 to 9), indicating that visitors and residents should exercise heightened caution, as the burn time decreases to just 15 minutes. April sees a transition to a high exposure category, while March starts in a moderate range. Conversely, the winter months, including January, November, and December, have a low UV Index (2), granting longer burn times of 45 minutes. To safeguard against skin damage, it's imperative for everyone to wear protective clothing, seek shade, and apply sunscreen during peak UV times, especially from late spring to the end of summer.

Monthly Maximum UV Index for Sizun, France

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Sizun. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec235789986522
Data source: Statistical UV Index data for Sizun, 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 Sizun UV Index with Other France Cities

The table above highlights how UV exposure in Sizun 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.
Sizun's solar exposure compared to other cities in France. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Paris UVI235689886421
Sizun235689986522
Lyon UVI2356810986532
Nice UVI2467810987532
Marseille UVI2457910987532
Toulouse UVI24679101097532