Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors of Sivrihisar, Turkey. With its Csa climate, the region experiences extensive sun exposure, particularly during peak hours when the UV Index can reach as high as 11, signifying an extreme risk of harm from unprotected sun exposure. Being knowledgeable about these UV levels is essential not only for preventing sunburn but also for safeguarding overall skin health. In a place where sunny days are plentiful, staying aware of the UV Index can help everyone enjoy the outdoors while minimizing the risk of long-term skin damage.
As the sun rises, the UV Index begins its gradual ascent, starting at a gentle 1 at 07:00. By 08:00, it climbs to 2, signaling a mild increase in UV exposure. The intensity peaks dramatically at 12:00, where it reaches a striking 10, indicating a high risk for harm from unprotected sun exposure. 13:00 sees an even higher point of 11, making it crucial for sun safety measures. As the afternoon progresses, the index begins to descend—falling to 8 by 15:00 and tapering off to a more manageable 3 by 17:00. The day concludes with a soft decline, dropping back to 1 by 19:00. This hourly UVI data underscores the importance of protecting skin during the midday sun to prevent damage and ensure safety.
| 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 | 10 | very high | 15 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 |
The UV Index indicates significant seasonal changes in sun exposure, with March through August identified as high-risk months for skin damage. March and April see a surge in UV levels, reaching 8 (very high), while peak exposure occurs during June and July at 11 (extreme), resulting in a quick burn time of just 10 minutes. As summer transitions to fall, UV levels begin to taper off, dropping to 6 (high) in October and further to 4 (moderate) by November. Visitors and residents are advised to take protective measures during high-risk months by wearing sunscreen, protective clothing, and seeking shade, particularly during midday hours, to minimize skin damage. Remember, even on cloudy days, UV rays can still pose a threat, so remain vigilant 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 |
| Sivrihisar | 3 | 5 | 8 | 8 | 10 | 11 | 11 | 10 | 8 | 6 | 4 | 3 |
| Adana UVI | 3 | 5 | 7 | 9 | 10 | 11 | 11 | 10 | 8 | 7 | 4 | 3 |