Last updated: June 2, 2025
In Batak, Bulgaria, awareness of the UV Index is crucial for safeguarding your skin against harmful solar radiation. Understanding UV levels is essential for preventing sunburn and promoting long-term skin health, particularly during the summer months when the risk of overexposure increases. With a Cfb climate, characterized by warm summers, residents and visitors must be vigilant about the UV intensity that can peak at a high of 10 around midday. Regularly checking the UV Index can help you make informed decisions about sun protection, ensuring that your time outdoors is both enjoyable and safe.
Throughout the day, the UV Index exhibits a remarkable ascent, peaking at an impressive 10 from 1 PM to 2 PM. Starting from a low of 1 at 7 AM, the index gradually escalates, reaching 9 by noon. The sun's intensity continues to grow, prompting caution as it hits 8 at 11 AM and maintains a 10 between 1 PM and 2 PM, marking the day's most hazardous exposure levels. As the afternoon progresses, the index starts to decline, falling to 6 at 4 PM, before tapering off to 2 by 6 PM and finally resting at 1 at 7 PM. This dynamic swing emphasizes the importance of sun protection during peak hours, especially between 11 AM and 2 PM.
| 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 | 9 | very high | 15 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 10 | very high | 15 min |
| 15:00 | 9 | very high | 15 min |
| 16:00 | 6 | high | 25 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, seasonal variations in UV exposure significantly affect both residents and visitors. The UV Index begins at a moderate level in January (3) and February (4), indicating that a burn time of approximately 30 minutes is safe. As spring approaches, the UV Index rises sharply in March (7) to high, with a reduced burn time of 25 minutes. The peak UV months, from April to August, exhibit very high levels, reaching a maximum of 10 in June and July, with dangerously short burn times of just 15 minutes. As fall arrives, September sees a slight decline to an 8, and October further decreases to 6. As the year winds down, November and December return to moderate levels (4 and 3, respectively). Residents and visitors are advised to take extra precautions during the high-risk months of April to August by wearing protective clothing, using sunscreen, and seeking shade, particularly during midday hours to minimize the risk of sunburn and skin 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 |
| Batak | 3 | 4 | 7 | 8 | 9 | 10 | 10 | 9 | 8 | 6 | 4 | 3 |