Last updated: July 2, 2025
Understanding the UV Index in Petresti, Romania is crucial for safeguarding your skin's health and preventing sunburns. The UV levels fluctuate throughout the day, peaking in the afternoon during the warm months, which means that awareness of these changes is essential for both residents and visitors. With Petresti's Cfb climate, characterized by moderate temperatures and ample sunshine, exposure risks can increase significantly, especially between 10 AM and 4 PM when the UV Index can reach levels of 6 to 8. Stay informed and protect yourself from harmful rays to enjoy all that this beautiful region has to offer!
As the sun rises, the UV Index remains low, starting at 1 at 07:00 and 08:00. However, as the day progresses, the intensity of UV radiation quickly increases. By 09:00, it jumps to 3, but it's between 10:00 and 14:00 that we reach peak levels, with the index soaring to a high of 8. Fortunately, as the late afternoon approaches, the UV levels begin to decline gradually, dropping to 7 at 15:00, followed by 6 at 16:00. By 18:00, the index has dropped to 3, and finally back to 1 by 19:00. Remember to protect your skin during those midday hours when the UV index is at its highest!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 3 | moderate | 30 min |
| 10:00 | 4 | moderate | 30 min |
| 11:00 | 6 | high | 25 min |
| 12:00 | 8 | very high | 15 min |
| 13:00 | 8 | very high | 15 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 6 | high | 25 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV Index levels fluctuate significantly, influencing the risk of sun exposure. From January to February, the UV Index remains low to moderate (2 to 3), allowing for safer outdoor activities with burn times of up to 45 minutes. As March arrives, the UV Index escalates to 5, marking the start of high-risk months, with more caution advised. April sees a leap to 6 (high category), while May through August present the peak UV exposure, with indices rising to 8 and 9 (very high) and burn times decreasing to just 15 minutes. As September and October transition back to moderate levels (6 and 4), burn times increase again to 25 and 30 minutes respectively. The year concludes with November and December, where conditions revert to low UV Index levels (2), allowing for prolonged sun exposure of 45 minutes or more. To ensure safety, visitors and residents should take precautionary measures during high-risk months from April to August, such as wearing protective clothing, using sunscreen, and seeking shade during peak hours.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Petresti | 2 | 3 | 5 | 6 | 8 | 9 | 8 | 8 | 6 | 4 | 2 | 2 |
| Iasi UVI | 2 | 3 | 5 | 6 | 8 | 9 | 9 | 8 | 7 | 4 | 3 | 2 |
| Cluj-Napoca UVI | 2 | 3 | 5 | 6 | 8 | 9 | 9 | 8 | 7 | 4 | 3 | 2 |
| Timisoara UVI | 2 | 3 | 5 | 6 | 8 | 9 | 9 | 8 | 7 | 5 | 3 | 2 |
| Bucharest UVI | 2 | 3 | 5 | 7 | 8 | 9 | 9 | 8 | 7 | 5 | 3 | 2 |
| Craiova UVI | 2 | 3 | 6 | 7 | 8 | 9 | 9 | 8 | 7 | 5 | 3 | 2 |