Last updated: July 2, 2025
In Oncul, Turkey, staying informed about the UV Index is essential for safeguarding your skin health and preventing sunburn. With the region's Mediterranean climate (Csa), it experiences intense sunlight, particularly during the summer months, making awareness of UV levels a necessity. Understanding these fluctuations—as seen with indices peaking at 11 between noon and 1 PM—can help you take proactive measures to protect yourself from harmful ultraviolet rays. Enjoy the beautiful sunshine of Oncul, but remember: knowing when to seek shade or apply sunscreen can make all the difference in maintaining healthy 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 |
Throughout the year, the UV Index experiences significant fluctuations, with the most critical months for UV exposure being April through August. During April, the UV Index reaches 9, categorized as very high, with a burn time of only 15 minutes. This escalates to an extreme level of 11 in May, June, and July, where individuals can get sunburned in just 10 minutes of unprotected exposure. While August and September still present high UV levels of 10 and 9 respectively, the risk begins to diminish by October, returning to high with a 7 index. During the winter months of November and December, the UV Index lowers to 4 and 3, marking the moderate category and allowing for longer burn times of 30 minutes. For the benefit of visitors and residents, it is crucial to take protective measures during the high-risk months, particularly from April to August, by wearing sunscreen, protective clothing, and seeking shade during peak sun 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 |
| 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 |
| Oncul | 3 | 5 | 7 | 9 | 11 | 11 | 11 | 10 | 9 | 7 | 4 | 3 |