Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors in Kastamonu, Turkey, especially given the region's Cfb climate, which features mild summers and significant sunshine. Awareness of UV levels helps prevent sunburn and protects long-term skin health, making it essential for outdoor activities. With peak UV readings in Kastamonu reaching a staggering 11 at noon, it's vital to monitor these levels to safeguard against harmful radiation, especially during the warmer months when exposure risks are at their highest. Stay informed and enjoy the beautiful outdoor landscapes of Kastamonu safely!
At 07:00 AM, the UV Index starts off low at 1, making it a good time for morning routines. By 08:00 AM, it rises slightly to 3, indicating a gentle increase in UV exposure. As the clock ticks to 09:00 AM, the index jumps to 5, hinting that sun protection is becoming more important. The intensity peaks at 12:00 PM and 1:00 PM, reaching a maximum of 11, which is very high; this is when staying in the shade or applying sunscreen becomes essential. After this mid-day break, the UV Index begins to decline, dropping to 10 at 2:00 PM, and continuing to decrease to 3 by 5:00 PM. Finally, by the evening hours of 6:00 PM and 7:00 PM, it settles back down to 2 and 1 respectively, offering a much safer environment for outdoor activities as daylight fades. Remember, during those peak hours, take precautions to protect your skin from harmful UV radiation!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 5 | 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 | 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 changes, with the highest levels occurring during the summer months. From March to September, UV exposure rises sharply, peaking in June with an extreme index of 11. The high-risk months for sunburn are March through September, particularly April through September, where the UV Index remains above 8. Visitors and residents should take precautions during these months, such as wearing sunscreen, protective clothing, and seeking shade, especially between 10 AM and 4 PM when UV rays are most intense. In contrast, the UV Index drops significantly in winter, with only moderate levels in January, February, and November, and a low level in December, allowing for safer outdoor activities with less risk of sunburn.
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 |
| Kastamonu | 3 | 4 | 7 | 8 | 9 | 11 | 10 | 10 | 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 |