UV Index in Boulogne, France

Last updated: May 3, 2025

In Boulogne, France, awareness of the UV Index is crucial for protecting your skin and promoting overall health. Understanding the levels of UV radiation not only helps in preventing painful sunburns but also plays a significant role in reducing long-term skin damage. With a Cfb climate characterized by mild summers and moderate exposure to UV rays, it's essential for residents and visitors alike to stay informed about peak UV levels—especially during midday when the index can soar to 8. By keeping an eye on the UV Index, you can enjoy the beautiful outdoors while safeguarding your skin from harmful effects.

Hourly UV Index in Boulogne

The UV Index for today showcases a fascinating journey through the hours, starting from a gentle maximum of 1 at 7:00 AM and 8:00 AM, making it an ideal time for early risers to enjoy the outdoors with minimal sun exposure. As the sun climbs higher, the index surges to 3 by 10:00 AM, signaling the onset of mid-morning sunlight. A significant peak arrives at 12:00 PM, with a UV Index reaching 7, and then it hits its zenith at 1:00 PM with a strong 8—a crucial reminder to slip on that sunscreen! The afternoon maintains this intensity until 3:00 PM, where it stabilizes at 8, before gradually tapering off to 6 at 4:00 PM and declining to 2 by 7:00 PM. Stay smart and shielded during those 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
09:002low45 min
10:003moderate30 min
11:005moderate30 min
12:007high25 min
13:008very high15 min
14:008very high15 min
15:008very high15 min
16:006high25 min
17:005moderate30 min
18:003moderate30 min
19:002low45 min

Monthly UV Index Trends in Boulogne

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 Boulogne, France

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Boulogne. 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 Boulogne, 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 Boulogne UV Index with Other France Cities

The table above highlights how UV exposure in Boulogne 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.
Boulogne's solar exposure compared to other cities in France. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Paris UVI235689886421
Boulogne235689986522
Lyon UVI2356810986532
Nice UVI2467810987532
Marseille UVI2457910987532
Toulouse UVI24679101097532