UV Index in Saint-Jean-de-Moirans, France

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents of Saint-Jean-de-Moirans, France, where the climate, classified as Cfb, offers mild temperatures but also significant sun exposure. Knowledge of UV levels can empower you to protect your skin from harmful rays, aiding in sunburn prevention and promoting long-term skin health. With peak UV Index values soaring to 10 during the midday hours, it’s essential to stay informed about daily UV risks and take proactive measures, especially in this charming commune known for its sunny days. Whether you’re enjoying outdoor activities or simply soaking in the beauty of your surroundings, being UV-aware ensures you can do so safely and enjoyably.

Hourly UV Index in Saint-Jean-de-Moirans

The UV Index rises steadily throughout the morning, starting low at 1 by 7:00 AM and 8 at noon. As the day progresses, it peaks at an impressive 10 between 2:00 PM and 3:00 PM, marking the highest exposure risk. After this peak, the index gently descends, with values dropping to 5 by 5:00 PM and settling at 2 by 7:00 PM. This data highlights the importance of sun safety during midday hours when the UV intensity is at its strongest, encouraging protective measures like sunscreen and shade.

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
11:007high25 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-Jean-de-Moirans

Throughout the year, seasonal changes in UV exposure highlight significant fluctuations in the UV Index. The months of May through August are particularly high-risk, with UV Index values reaching a peak of 10, indicating very high exposure and a burn time of only 15 minutes. Visitors and residents should remain vigilant during these months, employing protective measures such as sunscreen and clothing, especially between 10 AM and 4 PM when UV exposure is strongest. March and April also show increased risk with UV Index values of 6 and 7 respectively. Conversely, January and December present lower risk levels, with UV Index values of 2 indicating low exposure and longer potential burn times of 45 minutes. It is essential to monitor UV levels year-round and adjust sun protection strategies accordingly to ensure safety.

Monthly Maximum UV Index for Saint-Jean-de-Moirans, France

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Saint-Jean-de-Moirans. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec24679101097532
Data source: Statistical UV Index data for Saint-Jean-de-Moirans, 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-Jean-de-Moirans UV Index with Other France Cities

The table above highlights how UV exposure in Saint-Jean-de-Moirans 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-Jean-de-Moirans's solar exposure compared to other cities in France. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Paris UVI235689886421
Lyon UVI2356810986532
Nice UVI2467810987532
Marseille UVI2457910987532
Saint-Jean-de-Moirans24679101097532
Toulouse UVI24679101097532