Last updated: July 2, 2025
In Yonlu, Turkey, understanding the UV Index is crucial for protecting your skin and overall health. With UV levels peaking at an impressive 11 during midday hours, awareness becomes paramount to prevent sunburn and long-term skin damage. Yonlu's Csa climate, characterized by hot summers, presents unique exposure risks, meaning that residents and visitors alike should prioritize UV safety. By staying informed about daily UV levels, you can enjoy the sunshine while minimizing harmful effects on your skin.
At sunrise, the UV Index begins to rise slowly, peaking at 1 by 07:00 before climbing steadily throughout the morning. By 09:00, it reaches a moderate 5, but the real intensity kicks in as the sun approaches its zenith. 10:00 marks a significant jump to 8, followed closely by an impressive peak of 11 at 12:00 and 13:00, indicating a high risk for unprotected skin. As the afternoon progresses, the index drops to 9 by 14:00, then gradually declines to 7 at 15:00, before tapering back to a safer 5 by 16:00. As the day winds down, the UV levels return to 2 at 17:00 and finally settle at 1 by 19:00, reminding us that while midday sun offers the most intense rays, protective measures are vital throughout the day.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 8 | very high | 15 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 5 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
As the seasons change, so does the intensity of UV radiation, significantly impacting the health and safety of residents and visitors. From January to February, the UV Index ranges from 4 to 5, characterized as moderate, allowing for a burn time of 30 minutes. However, March marks a transition into higher levels, reaching a 7 (high) with a burn time of 25 minutes. The peak months for UV exposure are from April through August, where the Index reaches 9 to 12, classified as very high to extreme, drastically reducing safe exposure times to as little as 10 minutes. As the summer wanes, the index lowers to 9 in September and 7 in October before tapering off again to 4 inNovember and 3 in December. Visitors and residents should take precautions, especially during the high-risk months of April through August, by wearing protective clothing, applying sunscreen regularly, and seeking shade during peak sun hours to mitigate the risks of UV exposure.
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 |
| 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 |
| Yonlu | 4 | 5 | 7 | 9 | 10 | 12 | 11 | 10 | 9 | 7 | 4 | 3 |