Last updated: July 2, 2025
In Koronos, Greece, staying informed about the UV Index is crucial for safeguarding your skin health and preventing sunburns, especially under the warm Mediterranean sun. Understanding UV levels helps you make informed decisions about when to seek shade or apply sunscreen, ensuring you enjoy the outdoors while minimizing risks. With a Csa climate that features hot summers and considerable UV exposure, peak levels can reach as high as 10 between noon and 2 PM, making daily awareness essential for both residents and visitors alike. Equip yourself with the knowledge to protect your skin and embrace the beauty of Koronos safely!
The UV index begins its ascent at 07:00, starting at a gentle 1, then climbs gradually through the morning. By 10:00, it reaches a moderate 5, but from 11:00 onwards, the sun's intensity becomes pronounced, peaking at an impressive 10 between 13:00 and 14:00. After this zenith, the index dips to 8 at 15:00 and continues its decline, settling back to 2 by 18:00. As the day winds down into the evening, the UV index drops to a low 1 by 19:00, signaling a return to safer sun exposure levels. Enjoy the sunshine while staying protected during the high points!
| 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 | 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 |
| Koronos | 3 | 5 | 6 | 9 | 9 | 10 | 10 | 10 | 8 | 6 | 4 | 3 |