Last updated: July 2, 2025
Understanding the UV Index is essential for residents and visitors of Guzelsu, Turkey, particularly given its warm Mediterranean climate characterized by long summers and ample sunshine. With midday UV levels soaring as high as 11, awareness of these levels can be a crucial step in preventing sunburn and ensuring long-term skin health. By familiarizing yourself with the UV Index, you can take proactive measures to shield yourself from harmful radiation during the peak hours of exposure, typically between 10 AM and 2 PM. Embrace the beauty of Guzelsu while prioritizing your well-being—your skin will thank you!
At dawn, the UV Index starts at a gentle 1 by 07:00, indicating minimal exposure risk. As the sun climbs higher, the intensity rises sharply, reaching a maximum of 11 between 12:00 and 13:00—a time when protective measures are crucial. The peak UV Index highlights the importance of sun safety, as conditions can be particularly harsh. The afternoon sees a gradual decline, dipping to 8 by 15:00 and further decreasing to 3 by 17:00. As evening approaches, the index wanes to a mellow 1 by 19:00, suggesting a return to safer exposure levels. Keep in mind that tracking the UV Index throughout the day can help protect your skin from harmful 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 | 7 | high | 25 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 10 | very high | 15 min |
| 15:00 | 8 | very high | 15 min |
| 16:00 | 6 | high | 25 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV Index levels fluctuate significantly, indicating varying risks of sun exposure. The high-risk months are from March to August, where the UV Index reaches very high to extreme levels, particularly peaking at 11 in May, June, July, and August, leading to a burn time of just 10 minutes. As a result, it is crucial for both visitors and residents to take precautionary measures during these months, including wearing protective clothing, hats, and sunscreen with high SPF. Conversely, the winter months of January, November, and December feature lower UV Index levels—ranging from 3 to 4—indicating a moderate risk, with recommended exposure times of 30 minutes. This seasonal variation emphasizes the importance of awareness and protection from UV rays year-round.
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 |
| Guzelsu | 4 | 6 | 8 | 9 | 11 | 11 | 11 | 11 | 9 | 7 | 4 | 3 |