UV Index in Saint-Laurent, France

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents and visitors in Saint-Laurent, France, where the combination of a temperate oceanic climate (Cfb) and sunny days can significantly impact skin health. With UV levels peaking at 10 around midday, awareness of these readings helps in preventing sunburn and long-term skin damage. This region experiences varying UV exposure throughout the day, making it essential to plan outdoor activities responsibly. By staying informed about the UV Index, you can enjoy the beautiful outdoors while protecting your skin from potential harm.

Hourly UV Index in Saint-Laurent

The UV Index today shows a striking rise in intensity as the morning unfolds. Starting at 1 at 7:00 AM, it gradually increases to 2 by 9:00 AM. The sunshine peaks dramatically at 10:00 AM, reaching a robust 4, before soaring to its highest point of 10 at 2:00 PM. As the afternoon sun begins its descent, the index slightly dips but remains notable at 9 until 3:00 PM. The day transitions into the evening with values gently falling to 3 by 6:00 PM. With this data, it's clear that protecting your skin during the midday hours—especially between 12:00 PM and 2:00 PM—is essential for safety in the sun.

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
12:008very high15 min
13:009very 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 Saint-Laurent

Throughout the year, UV levels fluctuate significantly, influencing both safety and health for visitors and residents. The highest UV Index readings occur from May to July, with values reaching up to 10 in July, categorizing these months as very high risk for sunburn, with a burn time of just 15 minutes. Conversely, the lowest levels are in January and December, where the UV Index is only 2, allowing for a burn time of 45 minutes. Visitors and residents are advised to take precautions, especially from April through August when the risk is most pronounced; applying broad-spectrum sunscreen, wearing protective clothing, and seeking shade during peak hours can help minimize skin damage. As autumn sets in, UV levels begin to moderate, but attention should still be paid in September when the index remains high at 6.

Monthly Maximum UV Index for Saint-Laurent, France

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Saint-Laurent. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec2357891096422
Data source: Statistical UV Index data for Saint-Laurent, 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-Laurent UV Index with Other France Cities

The table above highlights how UV exposure in Saint-Laurent 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-Laurent's solar exposure compared to other cities in France. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Paris UVI235689886421
Lyon UVI2356810986532
Saint-Laurent2357891096432
Nice UVI2467810987532
Marseille UVI2457910987532
Toulouse UVI24679101097532