Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors in Naxos, Greece, where the Mediterranean climate brings both beautiful sunshine and significant UV exposure risks. As UV levels can soar as high as 10 during peak hours, being aware of these fluctuations is key to preventing sunburn and protecting your skin health. With typical summer days basking in bright sunlight, it’s essential to stay informed about the UV Index to enjoy outdoor activities safely. Be sure to check the UV levels before heading out, especially between 11 AM and 2 PM when the risk is at its highest!
The UV Index throughout the day presents a dynamic picture of solar intensity. Morning hours start gently, with a low of 1 at 07:00 and a gradual rise to 2 by 08:00. As the sun climbs higher, the index peaks at a striking 10 at 13:00, signaling the most intense sun exposure, making it prudent for sun protection. From 14:00, the UV Index begins to dip, yet remains significant at 9, before tapering off to 5 by 16:00. As evening approaches, the levels drop further, resting at 1 by 19:00. This hourly progression showcases the importance of sun safety measures, particularly during those midday hours when the UV radiation is at its highest.
| 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 | 7 | high | 25 min |
| 12:00 | 9 | very high | 15 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 8 | very high | 15 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, the UV Index exhibits notable seasonal variations that impact sun safety for both residents and visitors. January and February maintain a moderate UV Index of 3 and 5, with a burn time of 30 minutes; however, as spring progresses, March sees an increase to 6 (high exposure) and a reduced burn time of 25 minutes. The most critical months for UV exposure are April, May, June, July, and August, where UV levels soar to 9 and 10 (very high), necessitating vigilance with a mere 15-minute burn time. The UV Index tapers off in September to 8 (very high) and reassures in October with 6 (high), allowing for more lenient sun exposure of 25 minutes. As winter arrives, November and December revert to a moderate index of 4 and 3, respectively, with a burn time once again at 30 minutes. Visitors and residents are advised to take extra precautions during the summer months, applying sunscreen, wearing protective clothing, and seeking shade to minimize UV exposure during peak hours.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Thessaloniki UVI | 3 | 4 | 6 | 7 | 9 | 10 | 9 | 9 | 7 | 6 | 4 | 2 |
| Larisa UVI | 3 | 4 | 6 | 8 | 10 | 11 | 10 | 10 | 8 | 6 | 4 | 3 |
| Patra UVI | 3 | 5 | 6 | 8 | 10 | 11 | 10 | 10 | 8 | 6 | 4 | 3 |
| Piraeus UVI | 3 | 4 | 6 | 8 | 10 | 10 | 10 | 10 | 8 | 7 | 4 | 3 |
| Athens UVI | 3 | 4 | 6 | 8 | 10 | 10 | 10 | 10 | 8 | 7 | 4 | 3 |
| Naxos | 3 | 5 | 6 | 9 | 9 | 10 | 10 | 10 | 8 | 6 | 4 | 3 |