Last updated: June 2, 2025
Understanding the UV Index in Smolyan, Bulgaria, is crucial for protecting your skin and overall health against harmful ultraviolet radiation. With peaks reaching as high as 11 in the summer months, it's essential to be aware of UV levels to prevent sunburn and reduce the risk of long-term skin damage. Smolyan's Csb climate, characterized by mild summers and plenty of sunshine, means that UV exposure can be significant, especially around midday. Staying informed about the UV Index allows residents and visitors to enjoy the outdoors while taking the necessary precautions for skin safety.
The UV Index dramatically peaks during the midday hours, showcasing a clear pattern of solar intensity. Starting from a mild 1 at 07:00, it steadily rises, reaching a notable 11 by 13:00. This peak signifies a high risk for skin damage, urging sun safety precautions. As the afternoon progresses, the index gradually declines—falling to 9 at 15:00, and decreasing further to 2 by 18:00. With the sun's intensity waning, the cooler evening hours promise a gentle close to the day, offering a more comfortable outdoor experience. Always stay vigilant during peak UV times!
| 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 | 8 | 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 | 9 | very high | 15 min |
| 16:00 | 7 | high | 25 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV levels fluctuate significantly, with the highest risk months occurring from March to September, when the UV Index reaches levels categorized as very high to extreme. Specifically, May and June present the most intense UV exposure, with a peak UV Index of 11 in June, necessitating a burn time of only 10 minutes. To safeguard skin health, it is crucial for both visitors and residents to take precautionary measures during these high-risk periods, such as applying sunscreen, wearing protective clothing, and seeking shade, especially between 10 a.m. and 4 p.m. where the sun's rays are strongest. Conversely, the winter months of January and December show a moderate UV Index of 3, allowing for safer outdoor activities, although it's still advisable to practice sun safety.
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 |
| Smolyan | 3 | 4 | 8 | 8 | 10 | 11 | 10 | 10 | 8 | 6 | 4 | 3 |