Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors of Agios Arsenios, Greece, especially given its sunny Mediterranean climate. The UV levels here can surge to 10 around midday, posing significant risks for sunburn and long-term skin health. By being aware of these levels, you can take proactive steps to protect yourself from harmful ultraviolet radiation, ensuring a safer, healthier experience outdoors. With typical UV exposure risks peaking during the hottest hours, knowing how to respond to the UV Index can help you enjoy the beautiful weather while safeguarding your skin.
At dawn, 7:00 AM, the UV Index is a mild 1, offering a gentle start to the day. As the sun climbs higher, it steadily rises, reaching 2 by 8:00 AM and hitting 3 at 9:00 AM. However, between 10:00 AM and 1:00 PM, the intensity increases sharply, peaking at an impressive 10 from 12:00 PM to 1:00 PM—the highest level of risk. The UV Index then begins its descent, dropping to 8 at 3:00 PM, followed by a gradual decline to 4 by 5:00 PM. As evening approaches, the index wanes further, settling back down to 1 by 7:00 PM. To enjoy the sunshine while staying safe, make sure to take precautions, especially during those peak hours!
| 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 | 10 | very high | 15 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 10 | 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 |
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 |
| Agios Arsenios | 3 | 5 | 6 | 9 | 9 | 10 | 10 | 10 | 8 | 6 | 4 | 3 |