Last updated: June 2, 2025
Understanding the UV Index is crucial for the residents and visitors of Pietroasa, Romania, where the climate brings warm summers and significant sun exposure. High UV levels, especially from late morning to mid-afternoon, can lead to sunburn and long-term skin damage, making it vital to monitor these levels regularly. With a typical continental climate (Cfb) that often sees the UV Index peak at 9 during the hottest hours, awareness and precautions are key for ensuring skin health while enjoying the beautiful outdoors in Pietroasa. Stay informed, protect yourself, and make the most of the sunny days!
The UV Index reveals a dynamic day of sun exposure, peaking at 9 between 1 PM and 2 PM, indicating a notably high risk of harm from unprotected sun exposure. Early risers find the day starts with a comfortable 1 at 7 AM, gradually rising to 3 by 9 AM. By 11 AM, it reaches 7, encouraging outdoor enthusiasts to take precautions. The intensity continues to climb, soaring to its maximum at noon with an 8, before stabilizing at 9 during the early afternoon. As the sun begins its descent, the UV Index dips to 6 by 4 PM and further decreases to a 3 by 6 PM, finally settling at 1 as night falls. Enjoy the daylight, but remember to shield your skin during those 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 | 8 | 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 | 3 | moderate | 30 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index exhibits significant seasonal changes, with the most intense exposure occurring during the summer months. January and December see low UV levels (Index 2), indicating a burn time of 45 minutes, thereby posing minimal risk. As the year progresses, both February and March bring moderate levels (Index 4-5), with shorter burn times of 30 minutes. April marks the transition to high exposure (Index 6), and this escalates notably in May and June, reaching very high levels (Index 8-9) with a burn time of just 15 minutes—indicative of high risk. July and August maintain this peak, before September signals a slight decrease to high exposure (Index 7) and a burn time of 25 minutes. Moving into autumn, October and November revert to moderate levels (Index 3-5), allowing for a burn time of 30 minutes, while January returns to the safety of low UV exposure. Visitors and residents should take extra precautions during the high-risk months of May through August, such as applying sunscreen, wearing protective clothing, and seeking shade, to minimize the risk of UV-related harm.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 |
| Pietroasa | 2 | 4 | 5 | 6 | 8 | 9 | 9 | 8 | 7 | 5 | 3 | 2 |
| Craiova UVI | 2 | 3 | 6 | 7 | 8 | 9 | 9 | 8 | 7 | 5 | 3 | 2 |