Last updated: June 2, 2025
Understanding the UV Index is crucial for residents of Avren, Bulgaria, where sunny days abound and skin health is a top priority. The UV Index provides vital information on daily sun exposure, helping you take necessary precautions to avoid sunburn and long-term skin damage. In Avren's temperate Cfa climate, UV levels can peak at a significant 9 during midday hours, making awareness essential for safe outdoor activities. By keeping an eye on the UV Index, you not only protect your skin but also enjoy the sunshine responsibly!
The UV Index data reveals a dramatic rise in solar intensity as the day progresses, peaking at 9 between 12:00 PM and 2:00 PM. Beginning with a mild 1 at 7:00 AM, it escalates steadily to 3 by 9:00 AM and hits 5 at 10:00 AM. As the sun climbs higher, caution is advised with a 7 at 11:00 AM before reaching that intense 9 during midday. The intensity then begins to taper off, dropping to 7 at 3:00 PM and gradually decreasing to 4 by 5:00 PM. The evening brings relief as the index falls back to 2 by 6:00 PM, and finally settles at 1 by 7:00 PM. This data highlights the importance of sun safety measures, particularly during the peak hours!
| 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 | 7 | high | 25 min |
| 12:00 | 9 | very high | 15 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 7 | high | 25 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 |
As the seasons change, so do the UV index levels, which can significantly affect sun exposure for visitors and residents. January and December show low UV levels (Index 2), allowing for 45 minutes of safe exposure. However, as spring progresses, March and April enter the high category (Index 6-7), reducing safe burn time to 25 minutes. The summer months of May through August are particularly risky, with very high UV levels (Index 8-9) and a burn time dropping to just 15 minutes. As autumn approaches, September's UV index decreases to high (Index 7), allowing for 25 minutes of exposure, followed by moderate levels in October and November (Index 3-4), where safe burn times extend to 30 minutes. Residents and visitors are advised to monitor the UV index closely, especially between May and August, and take appropriate sun protection measures, including wearing sunscreen, hats, and protective clothing during high-risk months.
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 |
| Avren | 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 |