UV Index in Martignas-sur-Jalle, France

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents of Martignas-sur-Jalle, France, where sun exposure can pose health risks, especially during the peak summer months. With the climate here categorized as Cfb, locals experience a mix of temperate weather and occasional bursts of sunshine. Knowing the UV levels can empower you to take proactive steps in sunburn prevention and safeguarding your skin health, particularly when the index spikes at midday, showing levels as high as 9. Stay informed about the daily UV fluctuations to enjoy the sun safely while minimizing long-term skin damage.

Hourly UV Index in Martignas-sur-Jalle

As the sun graces the day, the UV Index begins its climb. Starting at a gentle 1 at 07:00, it remains low until 09:00, reaching 2. By 10:00, the intensity ramps up to 3, but the real heat arrives around 12:00, when it peaks at a soaring 7. The afternoon brings the highest levels, with the index hitting 9 at 13:00, 14:00, and 15:00, indicating a serious need for sun protection. As the day rolls on, the UV levels gradually dip, falling to 5 by 17:00 and continuing to decline until settling at 2 by 19:00. Plan accordingly to enjoy the sunshine safely!

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
13:009very high15 min
14:009very high15 min
15:009very high15 min
16:007high25 min
17:005moderate30 min
18:003moderate30 min
19:002low45 min

Monthly UV Index Trends in Martignas-sur-Jalle

The UV Index demonstrates significant seasonal variations, affecting both residents and visitors throughout the year. January and December experience the lowest UV levels, categorized as low, with a burn time of 45 minutes. From February, the UV index starts to rise, entering the moderate exposure category, and peaks during the late spring and summer months—May to August—when it reaches very high levels (8 to 10), resulting in a critical burn time of just 15 minutes. The highest risk months for UV exposure are June and July, where precautions are essential. As the fall months approach, the UV levels decrease, returning to moderate assessments by October through November. To minimize the risk of UV-related health issues, visitors and residents should take savvy precautions during the high-risk months by wearing sunscreen, protective clothing, and seeking shade during peak sun hours.

Monthly Maximum UV Index for Martignas-sur-Jalle, France

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Martignas-sur-Jalle. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec2367810987532
Data source: Statistical UV Index data for Martignas-sur-Jalle, 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 Martignas-sur-Jalle UV Index with Other France Cities

The table above highlights how UV exposure in Martignas-sur-Jalle 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.
Martignas-sur-Jalle's solar exposure compared to other cities in France. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Paris UVI235689886421
Lyon UVI2356810986532
Martignas-sur-Jalle2367810987532
Nice UVI2467810987532
Marseille UVI2457910987532
Toulouse UVI24679101097532