Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors of Strelcha, Bulgaria, particularly during the warm months when the sun's rays can be most potent. Effective UV Index awareness enables individuals to take proactive measures against skin damage, such as sunburn and long-term skin health concerns. Strelcha, resting in a Cfb climate zone, experiences varied exposure risks throughout the day, especially during midday when UV levels peak at 9. By being informed about these levels, you can better protect yourself and enjoy the beautiful sunshine safely.
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, the UV Index shows significant seasonal variation, peaking during the summer months. From January to February, UV levels are relatively low, with a maximum exposure of 45 minutes in January. However, starting in March, the risk escalates considerably, reaching a high level by March (UV Index 7) and escalating to a very high category in April (UV Index 8) through July (UV Index 10). Notably, the highest risk period spans from April to August, with a consistent burn time of 15 minutes during these months. By September, the index decreases to 7, followed by October at 6, which still falls in the high category with a burn time of 25 minutes. The year concludes with reduced risk in November and December, reverting to low levels (UV Index 2), where individuals can spend up to 45 minutes in the sun without significant risk of burns. For visitors and residents, it is crucial to take precautions—such as wearing sunscreen, protective clothing, and seeking shade—especially between April and August to minimize exposure during these 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 |
| 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 |
| Strelcha | 2 | 4 | 7 | 8 | 9 | 10 | 9 | 9 | 7 | 6 | 3 | 2 |