UV Index in Loire, France

Last updated: June 2, 2025

In the picturesque region of Loire, France, understanding the UV Index is crucial for safeguarding your skin and overall health. With varying UV levels throughout the day, awareness can help you prevent sunburn and long-term skin damage. The climate here, categorized as Cfb, brings delightful summers, but it also means that midday sun can be particularly intense. For instance, the UV Index peaks at a significant 9 between 1 PM and 2 PM, highlighting the need for protection during those hours. Stay informed and take the necessary precautions to enjoy the beautiful Loire sun safely!

Hourly UV Index in Loire

The UV Index data reveals a dynamic shift throughout the day, peaking at 9 between 1:00 PM and 2:00 PM, indicating high levels of solar radiation. The morning starts off gently, with values at 1 from 7:00 AM to 9:00 AM, gradually climbing to a moderate 4 by 10:00 AM. As the day progresses, the index escalates sharply, reaching a notable 6 by 11:00 AM and hitting 7 at noon. Following the peak, the UV intensity begins to decline, dipping to 5 by 5:00 PM and further to 2 as the sun sets. Stay protected during peak hours, especially between noon and 2 PM, to avoid harmful UV exposure!

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
10:004moderate30 min
11:006high25 min
12:007high25 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 Loire

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 Loire, France

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

The table above highlights how UV exposure in Loire 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.
Loire's solar exposure compared to other cities in France. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Paris UVI235689886421
Loire235689986422
Lyon UVI2356810986532
Nice UVI2467810987532
Marseille UVI2457910987532
Toulouse UVI24679101097532