Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors of Alfeiousa, Greece, where the sun can be both a source of joy and a potential risk to skin health. With peak UV levels reaching as high as 11 during the midday hours, awareness of UV exposure is essential for preventing sunburn and protecting against long-term skin damage. Alfeiousa’s Mediterranean climate contributes to high UV radiation, especially from late spring to early autumn, making it vital to stay informed about daily UV levels if you wish to enjoy the beautiful sun while prioritizing your health. Stay safe, apply sunscreen, and cherish the sunny moments!
The UV Index throughout the day showcases an intriguing pattern of intensity. Starting low at 07:00 and 08:00, with a manageable score of 1, the sun's rays gradually intensify. By 09:00, the index climbs to 3, hinting at a warmer day ahead. The peak arrives at noon, hitting a striking 9, and just a little later, the UVI reaches its zenith at 13:00 and 14:00, both at an impressive 11. As the afternoon progresses, the UV exposure starts to wane, dipping to 9 at 15:00 and further decreasing to 5 by 17:00. The evening cools down significantly, with the index returning to the comfortable levels of 3 at 18:00 and finally resting at 1 by 19:00. Stay protected and enjoy the sun, especially during those peak hours!
| 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 | 5 | moderate | 30 min |
| 11:00 | 7 | high | 25 min |
| 12:00 | 9 | very high | 15 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 11 | extreme | 10 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 | 1 | low | 45 min |
Throughout the year, the UV Index shows significant seasonal changes, with the highest risk occurring during the late spring and summer months. April marks the beginning of very high UV exposure (Index 8), intensifying to an extreme level in June (Index 11). Visitors and residents should be particularly cautious from April to August, where the burn time decreases dramatically, with only 10 to 15 minutes of exposure posing risks of skin damage. September sees a slight decline in UV levels but remains high (Index 8), while by October, it decreases to high (Index 7) with a burn time of 25 minutes. During the winter months, January, February, and December, UV levels return to moderate (Index 3 to 5), allowing for more extended outdoor activities with a burn time of 30 minutes. As a general guideline, individuals are advised to wear sunscreen, protective clothing, and seek shade during peak UV hours from spring through summer to mitigate health risks.
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 |
| Alfeiousa | 3 | 5 | 6 | 8 | 10 | 11 | 10 | 10 | 8 | 7 | 4 | 3 |