Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors of Clermont-Ferrand, France, especially given its moderate oceanic climate. With UV levels peaking at 10 during the summer months, awareness of these fluctuations can significantly aid in preventing sunburn and promoting long-term skin health. Knowledge of local UV exposure risks not only helps you enjoy the sun safely but also empowers you to take necessary precautions during peak hours, particularly between 11 AM and 3 PM, when the sun's rays are the most intense. Stay informed, stay protected, and make the most of Clermont-Ferrand's beautiful sunny days!
At 07:00 AM, the UV Index starts off low at 1, making sun protection unnecessary. However, as the day progresses, the UV intensity begins to climb, reaching 3 by 09:00 AM. The real surge occurs around 11:00 AM, where it escalates to 7, and by 12:00 PM, it peaks at a significant 8. The maximum UV exposure is recorded between 01:00 PM and 02:00 PM, both hitting an impressive 10. Following this zenith, the index gradually decreases, dropping to 9 by 03:00 PM, and tapering down to 5 by 05:00 PM. As the sun sets, the UV Index returns to more manageable levels, falling to 2 by 07:00 PM. To ensure safety during peak hours, it is advisable to apply sunscreen and seek shade from 11:00 AM to 02:00 PM.
| 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 | 4 | moderate | 30 min |
| 11:00 | 7 | high | 25 min |
| 12:00 | 8 | 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 | 2 | low | 45 min |
The UV Index exhibits notable seasonal variations, with high and very high levels prevalent during the warmer months. From March to August, the UV Index peaks, particularly in June and July when it hits 10, posing a significant risk for sunburn with a burn time of just 15 minutes. May also sees a very high index at 8, while April and September reach a high level of 7. Conversely, the winter months of January and December present a much lower risk, categorized as low exposure with burn times of 45 minutes. Residents and visitors are advised to take extra precautions—such as applying sunscreen, wearing protective clothing, and seeking shade—during the high-risk months of March through August, especially on sunny days, to mitigate the harmful effects of increased 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 |
| Clermont-Ferrand | 2 | 3 | 6 | 7 | 8 | 10 | 10 | 9 | 7 | 5 | 3 | 2 |
| Toulouse UVI | 2 | 4 | 6 | 7 | 9 | 10 | 10 | 9 | 7 | 5 | 3 | 2 |