Last updated: June 2, 2025
Understanding the UV Index is crucial for the residents and visitors of Cayeli, Turkey, a region blessed with a temperate climate yet exposed to significant ultraviolet radiation during peak hours. As UV levels can soar to a maximum of 10 around midday, being aware of these fluctuations is essential for preventing sunburn and maintaining long-term skin health. With the unique climate characteristics of Cayeli, where sun exposure risks can quickly escalate, monitoring the UV Index can help ensure safe outdoor activities while enjoying the region's beautiful coastal scenery.
As the day unfolds, the UV Index reveals a dynamic dance of sunlight intensity. Starting with a gentle 2 at 07:00, the index climbs steadily to a moderate 3 by 08:00. The real surge kicks in at 09:00, peaking at a significant 10 between 12:00 and 13:00, marking the sun’s most potent hours. A gradual decline follows, dropping to 8 by 14:00 and then tapering off to 6 at 15:00. As the afternoon wanes, the UV Index diminishes further, settling at 4 by 16:00 and dwindling to a safe 1 by 18:00 and 19:00. This data hints at a crucial reminder: protect your skin during those midday hours when UV rays are strongest!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 8 | very high | 15 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 6 | high | 25 min |
| 16:00 | 4 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index experiences notable fluctuations, with the highest risk months occurring from April to September. During this period, particularly in May and June, the UV Index reaches its peak at 10, categorized as very high, demanding only 15 minutes of exposure before the risk of sunburn escalates. Conversely, January, February, and November are marked by moderate UV levels, allowing for longer safe exposure times of 30 minutes, while December sees a low UV Index of 2, permitting 45 minutes of exposure without immediate risk. Visitors and residents should take extra precautions during the high-risk months by wearing sunscreen, protective clothing, and sunglasses, especially during midday hours.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Istanbul UVI | 3 | 4 | 6 | 7 | 8 | 10 | 9 | 9 | 7 | 6 | 3 | 2 |
| Bursa UVI | 3 | 4 | 7 | 8 | 9 | 10 | 10 | 9 | 8 | 6 | 4 | 2 |
| Cayeli | 3 | 4 | 7 | 8 | 10 | 10 | 10 | 9 | 8 | 6 | 3 | 2 |
| Izmir UVI | 3 | 4 | 7 | 8 | 9 | 10 | 10 | 10 | 8 | 6 | 4 | 3 |
| Ankara UVI | 3 | 4 | 8 | 8 | 10 | 11 | 11 | 10 | 8 | 6 | 4 | 2 |
| Adana UVI | 3 | 5 | 7 | 9 | 10 | 11 | 11 | 10 | 8 | 7 | 4 | 3 |