Last updated: July 2, 2025
Understanding the UV Index in Sisli, Turkey, is crucial for safeguarding your skin health and preventing painful sunburns. With a Mediterranean climate (Csa), residents and visitors alike face varying levels of UV exposure throughout the day, peaking between 12 PM and 2 PM when UV Index levels soar to 9. Being aware of these levels not only helps you plan your outdoor activities effectively but also equips you with the knowledge to take necessary precautions to protect your skin. With the sun's intensity in Sisli, especially during the warmer months, staying informed about UV Index readings is key to enjoying the beautiful surroundings while minimizing health risks.
The UV Index for the day showcases a notable rise in intensity as the sun climbs higher in the sky. Starting at a low of 1 at 7:00 AM, the index gradually increases to a moderate level of 3 by 9:00 AM. However, from 10:00 AM onward, things heat up significantly, peaking at a scorching 9 from noon to 2:00 PM. As the afternoon progresses, the UV Index gradually dips back to a friendly 3 by 5:00 PM, then descends further to 1 by the time evening sets in. This pattern underscores the importance of sun protection during peak hours, especially between 11:00 AM and 2:00 PM, when UV levels are at their highest.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 3 | moderate | 30 min |
| 10:00 | 5 | moderate | 30 min |
| 11:00 | 7 | high | 25 min |
| 12:00 | 9 | very high | 15 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 5 | moderate | 30 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
The UV Index shows significant seasonal variation, with higher values typically occurring from March to September. The months of May through August are particularly high-risk, featuring very high UV levels (UV Index 8 to 10) and reduced burn times of just 15 minutes. Visitors and residents are advised to take precautions during these months by seeking shade, wearing protective clothing, and applying sunscreen regularly. Conversely, the UV risk is lower in January, November, and December, where the index drops to moderate or low levels, allowing for more extended sun exposure times without immediate risk of burning. Staying informed about these changes can help everyone enjoy the outdoors safely throughout the year.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sisli | 3 | 4 | 6 | 7 | 8 | 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 |