Last updated: August 1, 2025
In the beautiful town of Calvi, France, understanding the UV Index is crucial for protecting your skin and enhancing your outdoor experiences. With the Mediterranean sun shining down, the UV levels can reach their peak around midday, highlighting the importance of knowing when to seek shade or apply sunscreen to prevent sunburn and long-term skin damage. Calvi’s Csa climate provides plenty of sunny days, but its high UV exposure, especially between 11:00 AM and 2:00 PM when the index can soar to 10, underscores the need for vigilance against harmful rays. Stay informed and enjoy the sun safely!
As the sun rises, the UV Index gradually climbs, beginning at a mild 1 at 7:00 AM. By 9:00 AM, it reaches 3, prompting early risers to consider sun protection. The intensity peaks at 1:00 PM with a maximum of 10, signaling the most hazardous conditions for unprotected skin. As the afternoon unfolds, the index dips from 9 at 2:00 PM to 6 by 4:00 PM, offering a brief respite. As the day winds down, the UV rays decrease, falling to 2 by 6:00 PM and returning to a safe 1 by 7:00 PM. Stay mindful of these fluctuations to enjoy the sun while safeguarding your skin!
| 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 | 8 | very high | 15 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 8 | very high | 15 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 |
As the seasons change, the UV Index reflects significant variations in sun exposure risk. From January to February, UV levels remain moderate (Index 3-4), with a burn time of 30 minutes being safe. However, March ushers in a higher risk with an Index of 6, categorized as high, and a reduced burn time of 25 minutes. The UV Index peaks during the summer months of April through August, reaching a maximum of 10, where protective measures are essential due to the very high exposure risk, with a burn time of just 15 minutes. As fall arrives in September and October, UV levels decrease to high (Index 6-7), allowing for a longer burn time of 25 minutes. In contrast, November and December see a return to moderate and low exposures, with burn times increasing to 30 and 45 minutes, respectively. To ensure safety, residents and visitors should be particularly vigilant during the high-risk months of March through October, using sunscreen, wearing protective clothing, and scheduling outdoor activities outside peak sun hours.
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 |
| Calvi | 3 | 4 | 6 | 8 | 9 | 10 | 10 | 9 | 7 | 6 | 3 | 2 |