Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors in Siran, Turkey, where the region's Dfb climate often presents significant sun exposure risks. As UV levels can soar to a staggering 11 during midday hours, being aware of these fluctuations is essential for preventing sunburn and protecting your skin health. With typical summer days bringing intense sunlight, staying informed about the UV Index not only helps you plan your outdoor activities more safely but also ensures you can enjoy the beautiful surroundings without compromising your well-being.
As the sun rises, the UV Index begins its ascent, starting at a modest 2 at 07:00. By 08:00, it climbs to 3, but it's not until 09:00 that we see a noticeable surge to 5. The day peaks at 11:00 with an impressive 10, reaching the highest value of 11 between 12:00 and 13:00—perfect time for that midday umbrella! As we head into the afternoon, the index gradually declines, sliding to 10 by 14:00 and then dropping to 7 at 15:00. The evening brings a gentle fade, with the UV Index winding down to 3 by 17:00 and a cooling 1 as the sun sets by 18:00 and 19:00. Remember, during those peak hours, staying sun-safe is key!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | 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 | 10 | very high | 15 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 5 | moderate | 30 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
The UV Index experiences significant seasonal changes, with high-risk months occurring from March to August, where UV levels peak at 9 to 12, indicating very high to extreme exposure categories. Specifically, May and June are particularly notable, with an extreme UV Index of 11 to 12 and a burn time of just 10 minutes. As the summer progresses, UV levels gradually decline, dropping to high levels in October and returning to moderate levels in November and December. Visitors and residents are strongly advised to take precautions during the high-risk months, such as wearing sunscreen, protective clothing, and sunglasses, while also seeking shade, particularly 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 |
| Siran | 3 | 6 | 9 | 9 | 11 | 12 | 11 | 10 | 9 | 7 | 4 | 3 |