Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors of Bolyarovo, Bulgaria, where the sun’s rays can pose significant risks, especially during peak hours. Awareness of UV levels is essential for preventing sunburn and protecting skin health, as the intensity can reach a high of 9 between 12:00 PM and 2:00 PM. This level of exposure, typical of Bolyarovo's humid subtropical climate, highlights the importance of precautions to safeguard against harmful effects. By paying attention to the UV Index, you can enjoy the beautiful Bulgarian outdoors while keeping your skin safe from overexposure.
As the sun rises, the UV Index begins its ascent, starting at a gentle 1 at 07:00. By 08:00, it climbs to 2, indicating a mild increase in UV exposure. The real peak arrives at 12:00, where the index reaches a striking 9, underscoring the importance of sun protection during these hours. This high level remains steady until 14:00, followed by a gradual descent as the afternoon wanes: 8 at 15:00, 6 at 16:00, and continuing down to 2 at 18:00. As evening approaches, the UV Index drops to a soft 1 by 19:00, signaling a gentle close to the sun-soaked day. Remember to take precautions during the midday hours to safeguard your skin!
| 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 | 8 | 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, UV Index levels vary significantly, impacting exposure recommendations for both visitors and residents. From January to February, UV levels are relatively low to moderate, allowing for 45 minutes of safe sun exposure in January, dropping to 30 minutes in February. However, as spring approaches, March brings a notable increase to a high UV Index of 6, with a burn time of just 25 minutes. The summer months, particularly from April to August, present the highest risk with very high indices of 8 to 9, requiring vigilant sun protection as burn times decrease dramatically to just 15 minutes. In September and October, the UV Index decreases to a high level again, with burn times extending to 25 minutes. As winter arrives, November and December see lower levels, returning to a 30-minute burn time in November and 45 minutes by December. In summary, it's crucial for everyone to be particularly cautious from April to August, during the high-risk months, using sunscreen, wearing protective clothing, and seeking shade during peak sun hours.
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 |
| Bolyarovo | 2 | 4 | 6 | 8 | 9 | 9 | 9 | 9 | 7 | 6 | 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 |