UV Index in Saint-Leu, France

Last updated: June 2, 2025

In Saint-Leu, France, being aware of the UV Index is crucial for safeguarding your skin against harmful ultraviolet rays. Understanding UV levels is essential not only for preventing sunburn but also for maintaining long-term skin health, particularly as the sun's intensity peaks during midday. With a temperate Cfb climate, residents and visitors in Saint-Leu must be cautious as UV exposure typically escalates throughout the day, reaching a high of 9 between 1:00 PM and 2:00 PM. Stay informed and protect your skin while enjoying the beautiful sunny days that this picturesque location has to offer!

Hourly UV Index in Saint-Leu

The UV Index for the day presents a fascinating snapshot of solar intensity. Starting off gently at 1 during the early hours of 7:00 and 8:00, the sun gradually gains strength, peaking at a robust 9 between 13:00 and 14:00. This period marks the day's highest UV exposure, making it crucial for sun protection. Notably, the intensity begins to taper off after 15:00, descending to 3 by 18:00, and finally closing the day at 2 by 19:00. It's a clear reminder of the day's rhythm: with the sun rising high, the midday hours demand caution, while the early mornings and evenings offer a more gentle embrace of sunlight.

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
11:006high25 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
19:002low45 min

Monthly UV Index Trends in Saint-Leu

Throughout the year, UV exposure fluctuates significantly, with the highest risk months occurring from May to August, when the UV Index reaches levels categorized as very high (UV Index 8-9). During these months, the burn time drastically decreases to just 15 minutes, emphasizing the need for protection. Conversely, the low risk months of January, November, and December offer a safer environment with a UV Index of 2 and a burn time of 45 minutes. As such, visitors and residents should be particularly vigilant during peak summer months by wearing sunscreen, protective clothing, and seeking shade during peak sun hours, while enjoying the milder winter months with less concern for UV exposure.

Monthly Maximum UV Index for Saint-Leu, France

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Saint-Leu. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec235689986422
Data source: Statistical UV Index data for Saint-Leu, 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 Saint-Leu UV Index with Other France Cities

The table above highlights how UV exposure in Saint-Leu 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.
Saint-Leu's solar exposure compared to other cities in France. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Paris UVI235689886421
Saint-Leu235689986422
Lyon UVI2356810986532
Nice UVI2467810987532
Marseille UVI2457910987532
Toulouse UVI24679101097532