Last updated: July 2, 2025
In Birstonas, Lithuania, staying informed about the UV Index is crucial for safeguarding your skin and overall health. Understanding the daily variations in UV levels can significantly aid in sunburn prevention and promote long-term skin health, especially during the warmer months. With a Dfb climate, Birstonas experiences distinct seasonal shifts, leading to varying levels of UV exposure. On a sunny day, UV levels can peak at 7 between 12:00 PM and 2:00 PM, emphasizing the importance of using sun protection during these hours. By being aware of the UV Index, you can enjoy the beautiful outdoors while ensuring your skin remains healthy and protected.
At dawn, the UV Index begins gently at 1 by 7:00 AM, ideal for a leisurely start. As the sun rises higher, the intensity increases, reaching 2 by 8:00 AM and climbing steadily to 4 by 10:00 AM. By 11:00 AM, it peaks at 5, signaling the sun’s growing strength. The afternoon sees an impressive UV index of 7 at 12:00 PM, maintaining this level until 2:00 PM—a prime time for outdoor activities, but remember to protect your skin! As the day winds down, the index gradually declines, dropping to 6 at 3:00 PM and then tapering off to 4 by 5:00 PM, finally falling back to 2 by 6:00 PM and 1 again at 7:00 PM. It becomes clear: while midday brings the most sun strength, the shifting UV conditions throughout the day remind us to stay safe and enjoy the great outdoors responsibly!
| 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 | 4 | moderate | 30 min |
| 11:00 | 5 | moderate | 30 min |
| 12:00 | 7 | high | 25 min |
| 13:00 | 7 | high | 25 min |
| 14:00 | 7 | high | 25 min |
| 15:00 | 6 | high | 25 min |
| 16:00 | 5 | moderate | 30 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, seasonal UV changes reveal significant fluctuations in the UV Index, influencing how individuals should protect their skin from harmful sun exposure. The high-risk months for UV radiation are primarily from May to August, where the UV Index peaks at 6 to 7, indicating a high level of exposure risk with a burn time of just 25 minutes. In contrast, the winter months from November to February exhibit low UV levels (1 to 2), allowing for longer burn times of up to 45 minutes. Residents and visitors are advised to take extra precautions during the high-risk months by wearing sunscreen, protective clothing, and seeking shade when outdoors, to minimize the risk of sunburn and long-term skin damage.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Siauliai UVI | 1 | 2 | 3 | 5 | 6 | 7 | 7 | 6 | 5 | 3 | 2 | 1 |
| Panevezys UVI | 1 | 2 | 3 | 5 | 6 | 7 | 7 | 6 | 5 | 3 | 2 | 1 |
| Klaipeda UVI | 1 | 2 | 3 | 5 | 6 | 7 | 7 | 6 | 5 | 3 | 2 | 1 |
| Kaunas UVI | 1 | 2 | 4 | 5 | 6 | 7 | 7 | 6 | 5 | 3 | 2 | 1 |
| Vilnius UVI | 1 | 2 | 4 | 5 | 6 | 7 | 7 | 6 | 5 | 3 | 2 | 1 |
| Birstonas | 1 | 2 | 4 | 5 | 6 | 7 | 7 | 6 | 5 | 3 | 2 | 1 |