Last updated: May 3, 2025
In Saint-Priest, France, staying informed about the UV Index is crucial for protecting your skin from harmful ultraviolet rays. With the region's Cfb climate, residents face varying UV exposure levels throughout the day, particularly peaking at 12 PM with an index of 7 and reaching as high as 8 in the early afternoon. Understanding these UV levels is essential for effective sunburn prevention and maintaining long-term skin health. By keeping an eye on the UV Index, you can enjoy the sunny days while safeguarding your well-being against skin damage.
The UV Index throughout the day reveals a dynamic pattern of sun intensity. Starting the day gently at 1 during the early hours, the sun escalates its radiance by 09:00, reaching 2. As the morning blossoms into midday, we see a noticeable rise, peaking at 8 between 13:00 and 14:00—perfect for those seeking the sun's warmth. However, as the afternoon wanes, the intensity begins to retreat, dropping back to 4 by 17:00, and finally mellowing out to 1 by 19:00. It's a reminder to embrace sun safety during the peak hours of 11:00 to 14:00, where protection is vital! ☀️
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 2 | low | 45 min |
| 10:00 | 4 | moderate | 30 min |
| 11:00 | 6 | high | 25 min |
| 12:00 | 7 | high | 25 min |
| 13:00 | 8 | very high | 15 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 6 | high | 25 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV Index values show significant seasonal variation, with high-risk months occurring from April to August. During this time, the UV Index rises sharply, peaking at 10 in June and consistently remaining in the very high range of 8 to 10, implying a burn time of only 15 minutes for unprotected skin. In contrast, the winter months of January and December see lower UV levels, categorized as low, allowing for 45 minutes of safe sun exposure. As a general guideline, both residents and visitors should take precautions during the high-risk months by wearing sunscreen, protective clothing, and seeking shade during peak sun hours, especially from late spring to summer, to minimize the risk of UV-related health issues.
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 |
| Saint-Priest | 2 | 3 | 5 | 6 | 8 | 10 | 9 | 8 | 6 | 5 | 3 | 2 |
| 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 |