Last updated: July 2, 2025
In Frontenex, France, being aware of the UV Index is crucial for safeguarding your skin and overall health. Understanding the varying levels of UV exposure throughout the day can help prevent sunburn and long-term skin damage. With its Cfb climate, Frontenex experiences a mix of sunny and cloudy days, and during peak hours—particularly from 12 PM to 3 PM—the UV Index can soar to high levels, reaching up to 10. This highlights the importance of staying informed about UV risks to enjoy the beautiful outdoors safely.
The UV Index is a dynamic measure of solar intensity throughout the day, peaking dramatically at 12:00 PM with a notable 9, reaching its zenith at 1:00 PM and 2:00 PM with a maximum value of 10. During this period, it's essential to protect your skin from harmful UV rays. Early morning hours remain quite low, peaking at just 1 by 08:00 AM, while by 10:00 AM the index climbs to 5. As the sun continues to rise, it climbs swiftly to 7 by 11:00 AM, making midday the crucial time for sunscreen and shade. As the afternoon wanes, the UV Index gradually decreases, falling back to 5 by 5:00 PM, and finally settling at 1 by 7:00 PM, signaling a safe return to outdoor activities. Stay vigilant and enjoy the sunshine safely!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 3 | moderate | 30 min |
| 10:00 | 5 | moderate | 30 min |
| 11:00 | 7 | high | 25 min |
| 12:00 | 9 | very high | 15 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 10 | very high | 15 min |
| 15:00 | 9 | very high | 15 min |
| 16:00 | 7 | high | 25 min |
| 17:00 | 5 | moderate | 30 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 1 | low | 45 min |
As the seasons change, so does the UV Index, reflecting varying levels of sun exposure risk. From January to February, the UV Index remains relatively moderate, with a value of 3-4 and a burn time of 30 minutes. However, starting in March, the UV Index rises significantly, reaching high levels of 7 and subsequently peaking at 10 in June and July, marking the months of highest risk. April to August features very high UV Index ratings (8-10), with a critical burn time of only 15 minutes, making it essential for visitors and residents to take precautionary measures by wearing sunscreen, hats, and protective clothing during these months. With a decline in UV exposure in September (7) and further into the fall and winter months, the UV Index drops to moderate (5) in October and then to low (2) by December, allowing for safer outdoor activities. Overall, it is crucial to be vigilant, especially during the high-risk months of March through August, to ensure skin protection against harmful UV radiation.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Paris UVI | 2 | 3 | 5 | 6 | 8 | 9 | 8 | 8 | 6 | 4 | 2 | 1 |
| Lyon UVI | 2 | 3 | 5 | 6 | 8 | 10 | 9 | 8 | 6 | 5 | 3 | 2 |
| Nice UVI | 2 | 4 | 6 | 7 | 8 | 10 | 9 | 8 | 7 | 5 | 3 | 2 |
| Marseille UVI | 2 | 4 | 5 | 7 | 9 | 10 | 9 | 8 | 7 | 5 | 3 | 2 |
| Toulouse UVI | 2 | 4 | 6 | 7 | 9 | 10 | 10 | 9 | 7 | 5 | 3 | 2 |
| Frontenex | 3 | 4 | 7 | 8 | 9 | 10 | 10 | 9 | 7 | 5 | 3 | 2 |