Last updated: July 2, 2025
In Pernik, Bulgaria, understanding the UV Index is crucial for protecting your skin and overall health. With the region's Cfb climate, residents and visitors alike face varying levels of UV radiation throughout the day, particularly during the peak hours when the index can reach a high of 10. Awareness of UV levels not only helps in preventing painful sunburn but also fosters long-term skin health, making it essential to check the UV Index before heading outdoors. As you navigate your day, keep an eye on those numbers to enjoy the sun safely while taking advantage of Pernik's beautiful weather!
From the early morning hours, UV Index levels remain low, peaking at 1 until 09:00. As the day unfolds, there's a notable rise, hitting 5 by 10:00 and soaring to a striking 10 at its zenith between 13:00 and 14:00. This period marks the sun's intensity at its strongest, urging caution for those venturing outdoors. After 14:00, the index gradually declines, settling to 3 by 18:00. As dusk approaches, the UV Index drops further to 1 by 19:00, indicating a safe return for outdoor activities. Stay protected during the midday hours when the sun’s rays are at their peak!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | 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 | 10 | very high | 15 min |
| 14:00 | 10 | very high | 15 min |
| 15:00 | 8 | very high | 15 min |
| 16:00 | 6 | high | 25 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV exposure varies significantly, with the highest risk months falling between April and August. During this peak period, the UV Index reaches very high levels of 8 to 10, resulting in a burn time of just 15 minutes. From March to August, individuals should take extra precautions, such as wearing sunscreen, protective clothing, and seeking shade during peak hours. In contrast, the UV Index is at its lowest in January and December, categorized as low with a burn time of 45 minutes. Visitors and residents should stay vigilant during high-risk months and take proactive measures to safeguard their skin from UV damage.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ruse UVI | 2 | 4 | 6 | 7 | 8 | 9 | 9 | 9 | 7 | 5 | 3 | 2 |
| Varna UVI | 2 | 4 | 6 | 7 | 8 | 9 | 9 | 9 | 7 | 5 | 3 | 2 |
| Burgas UVI | 2 | 4 | 6 | 7 | 9 | 9 | 9 | 9 | 7 | 5 | 3 | 2 |
| Plovdiv UVI | 2 | 4 | 6 | 8 | 9 | 10 | 9 | 9 | 7 | 6 | 3 | 2 |
| Sofia UVI | 2 | 4 | 7 | 7 | 9 | 10 | 10 | 9 | 7 | 6 | 3 | 2 |
| Pernik | 2 | 4 | 7 | 8 | 9 | 10 | 10 | 9 | 7 | 6 | 3 | 2 |