Last updated: July 2, 2025
Understanding the UV Index is crucial for residents of Ondokuzmayis, Turkey—a region known for its warm climate and high sun exposure. Being aware of UV levels can help you prevent sunburn and protect your skin health. Particularly during the peak UV hours from 11 AM to 2 PM, when the index reaches its maximum of 9, the risk of harmful effects from sun exposure significantly increases. With Ondokuzmayis's Cfa climate characterized by hot summers, knowing how to interpret the UV Index can empower you to enjoy the outdoors safely while safeguarding your skin against potential damage.
As the sun rises, the UV Index gradually climbs, starting at a mild 1 at 07:00. By 08:00, it nudges up to 2, signaling a gentle start to the day. The real intensity kicks in at 09:00, reaching 4, and peaks impressively at 12:00 with a high of 9. The UV levels remain strong throughout the afternoon, holding at 9 until 13:00, before tapering off slightly to 8 at 14:00. By 15:00, it decreases to 7, and as the sun begins its descent, the index drops dramatically, hitting 4 by 16:00 and further declining to a safe 1 by 18:00 and 19:00. Staying sun-safe during the peak hours between 10:00 and 14:00 is essential to protect your skin from harmful UV rays!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 6 | high | 25 min |
| 11:00 | 8 | very high | 15 min |
| 12:00 | 9 | very high | 15 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 4 | moderate | 30 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index varies significantly, illustrating the changing intensity of solar radiation. January and December see a low UV Index of 2, allowing for safe exposure of up to 45 minutes without risk of sunburn. As we transition into February with a moderate index of 4, the burn time decreases, requiring awareness for outdoor activities. The months of March and April ramp up to high levels of 6 and 7, emphasizing the need for protective measures. May through August present our high-risk months, with a very high UV Index soaring to 9 and 10, where even short exposures of just 15 minutes can lead to sunburn. As the year progresses into September and October, UV levels drop slightly yet remain in the high category, reminding visitors and residents to continue exercising caution with sun safety. To ensure well-being, it is advisable to use sunscreen, wear protective clothing, and seek shade during peak sun hours, particularly from May to August.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ondokuzmayis | 2 | 4 | 6 | 7 | 9 | 10 | 9 | 9 | 7 | 6 | 3 | 2 |
| 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 |