Last updated: June 2, 2025
In Kerlouan, France, staying informed about the UV Index is crucial for protecting your skin and overall health. Understanding UV levels helps prevent painful sunburns and reduces long-term risks such as skin cancer. With a Cfb climate, Kerlouan experiences diverse weather, but the sun can be particularly strong in summer months, peaking with a UV Index of 9 during midday hours. By being aware of the UV Index, you can enjoy the beautiful coastal scenery safely while minimizing sun exposure risks.
The UV Index displays a clear progression throughout the day, starting from a mild 1 at 07:00 and 08:00. As the sunlight intensifies, it climbs steadily, reaching 3 by 10:00. The peak occurs at 14:00, where it hits a striking 9, indicating a high risk of harm from unprotected sun exposure. Fortunately, from 15:00 onwards, it begins to decline, dropping to 6 by 17:00 and further down to 4 at 18:00. By 19:00, the index lowers to 2, signaling a more comfortable level for outdoor activities as the sun sets. Stay protected during those peak hours to enjoy the sunshine safely!
| 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 | 3 | moderate | 30 min |
| 11:00 | 5 | moderate | 30 min |
| 12:00 | 7 | high | 25 min |
| 13:00 | 8 | very high | 15 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 9 | very high | 15 min |
| 16:00 | 7 | high | 25 min |
| 17:00 | 6 | high | 25 min |
| 18:00 | 4 | moderate | 30 min |
| 19:00 | 2 | low | 45 min |
Throughout the year, the UV Index experiences notable seasonal variations, indicating changes in sun exposure risk. From January to February, the UV Index remains low to moderate, with a gradual increase as spring approaches. However, April through August marks a significant rise, reaching peaks of 9 in June and July, categorizing these months as very high risk for sunburn, with a burn time as short as 15 minutes. As autumn progresses, the UV Index decreases again, with September showing a high exposure category of 6 before returning to low levels in November and December. Visitors and residents are strongly advised to take protective measures—such as wearing sunscreen, protective clothing, and hats—from April to August when the UV risk is at its highest, particularly during midday hours when the sun's intensity peaks.
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 |
| Kerlouan | 2 | 3 | 5 | 6 | 8 | 9 | 9 | 8 | 6 | 5 | 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 |