Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors in Oltu, Turkey, particularly given its Dfb climate, which features warm summers and cold winters. As UV radiation levels fluctuate throughout the day, being aware of these levels helps prevent sunburn and long-term skin damage. With UV Index values peaking at 12 during midday, the risks of overexposure increase significantly. Knowing when to seek shade or apply sunscreen ensures that you can enjoy the beautiful outdoor environment of Oltu while prioritizing your skin health and well-being.
Starting from early morning, the UV Index begins its ascent, peaking dramatically at 12 around noon. From 07:00, when it starts at a mild 2, it climbs steadily, reaching 4 by 08:00 and hitting 7 by 09:00. The intensity of UV radiation escalates significantly, reaching 9 at 10:00 and soaring to its zenith of 11 by 11:00. The sun’s rays are most potent at 12:00, with the index peaking at 12—a reminder to prioritize sun protection. As the afternoon progresses, the index gradually declines, dropping to 9 at 14:00, then to 7 by 15:00, and continuing its descent to 4 at 16:00. Finally, the evening brings relief as the UV Index falls to 2 at 17:00, and by sunset, it settles at a mere 1 by 18:00 and 19:00. This daily UV cycle highlights the importance of sun safety, especially during those peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 4 | moderate | 30 min |
| 09:00 | 7 | high | 25 min |
| 10:00 | 9 | very high | 15 min |
| 11:00 | 11 | extreme | 10 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 7 | 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, UV Index levels exhibit noticeable seasonal variations, with high-risk months emerging primarily from March to August. March and April both peak at a UV Index of 9, indicating very high exposure risks, while May and June elevate to an extreme level of 11 and 12, respectively. July continues this trend with a peak UV Index of 12, before tapering slightly in August to 10 and September to 9. By October, the UV Index begins to decline to 7, moving back to moderate levels of 4 in November and 3 in December. To ensure safety, it is essential for visitors and residents alike to take precautions during these high-risk months, such as seeking shade, wearing protective clothing, and using sunscreen, especially during peak 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 |
| Oltu | 3 | 5 | 9 | 9 | 11 | 12 | 12 | 10 | 9 | 7 | 4 | 3 |