Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors in Gragnano, Italy, where the Mediterranean climate can lead to elevated sun exposure. With UV levels reaching a peak of 10 around midday, awareness of these fluctuations is essential for preventing sunburn and protecting skin health. Gragnano's sun-soaked days, particularly during summer, present a higher risk for UV damage, making it vital to stay informed and take precautions. Whether you're enjoying outdoor activities or simply soaking in the beautiful scenery, knowing the UV Index can help you safeguard your skin and enjoy the sunny disposition of this charming town!
As the day unfolds, the UV Index climbs steadily, peaking at an impressive 10 between 1 PM and 2 PM, marking the sun's intensity at its highest. Starting at a mild 1 at 7 AM, the index gradually rises, reaching 9 by noon and hitting 8 at 11 AM. The afternoon witnesses a slight dip, with values dropping to 7 by 3 PM and trailing off into lighter levels of 5 and 3 later in the day. By 7 PM, the UV Index returns to a soft 1, signaling the end of a sun-drenched day. It's essential to stay sun-safe during the peak hours, especially between 11 AM and 2 PM, when UV exposure can be most harmful.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 3 | moderate | 30 min |
| 10:00 | 5 | moderate | 30 min |
| 11:00 | 8 | very high | 15 min |
| 12:00 | 9 | very high | 15 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 5 | moderate | 30 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV exposure changes significantly, with the highest risk months occurring between May and September. During this period, the UV Index peaks at 10 in June and July, indicating a very high risk of harm from unprotected sun exposure, with a burn time of only 15 minutes. In contrast, the months of January and December have a much lower UV Index of 3 and 2 respectively, classified as moderate and low, allowing for longer exposure times of 30 and 45 minutes before burning occurs. Visitors and residents are advised to take preventive measures, especially during the high-risk months of March to September, including wearing sunscreen, protective clothing, and seeking shade during peak sunlight hours to minimize the risk of skin damage.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Milan UVI | 2 | 3 | 5 | 6 | 8 | 9 | 9 | 8 | 6 | 5 | 3 | 2 |
| Turin UVI | 2 | 3 | 6 | 7 | 8 | 10 | 9 | 9 | 7 | 5 | 3 | 2 |
| Rome UVI | 3 | 4 | 5 | 7 | 8 | 10 | 10 | 9 | 7 | 5 | 4 | 2 |
| Gragnano | 3 | 4 | 6 | 7 | 9 | 10 | 10 | 9 | 8 | 6 | 4 | 2 |
| Naples UVI | 3 | 4 | 6 | 7 | 9 | 10 | 10 | 9 | 8 | 6 | 4 | 2 |
| Palermo UVI | 3 | 5 | 6 | 8 | 9 | 10 | 10 | 9 | 8 | 7 | 4 | 3 |