Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors of Bastorf, Germany, where the mild Cfb climate can often lead to unexpected sun exposure, especially during the summer months. Being aware of UV levels empowers you to take proactive steps in protecting your skin from harmful effects like sunburn and long-term skin health issues. With UV Index values peaking at 7 during midday hours, it’s essential to stay informed and adopt protective measures to enjoy the sun safely while exploring the natural beauty of Bastorf.
As the sun rises, the UV Index (UVI) begins its ascent, starting with a mild level of 1 at 7:00 AM. By 9:00 AM, it reaches a level 3, indicating an increase in solar intensity. The real peak occurs at noon when the UVI hits a robust 7, representing the highest risk for harm from unprotected sun exposure. This high intensity persists until 3:00 PM, when it gradually recedes to a level of 6. As the afternoon wanes, the UVI dips further, dropping to 5 at 4 PM and finally back to a gentle 1 by 7 PM, allowing for a safe and comfortable evening. Remember, the hours between 10 AM and 3 PM mark the most crucial times for sun safety!
| 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 | 6 | high | 25 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 | 3 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index illustrates significant seasonal variations that are essential for both visitors and residents to understand. January and February offer low levels of UV exposure (Index 1-2), with burn times of 45 minutes, suggesting minimal risk during these months. As spring approaches, March sees an increase to a moderate level (Index 3, 30 min burn time), followed by more notable rises in April (Index 5) and May (Index 6, 25 min burn time), signaling the onset of high-risk exposure. The peak of UV intensity occurs in June (Index 8, 15 min burn time), where protective measures become crucial, while July and August maintain high exposure levels (Index 6-7, 25 min burn time). Following this, September and October revert to moderate levels (Index 3-5, 30 min burn time), indicating a reduction in risk. Finally, November and December return to low exposure risk, similar to the beginning of the year. Visitors and residents are advised to monitor these UV changes, especially during high-risk months (May through August), and take appropriate precautions such as wearing sunscreen, protective clothing, and seeking shade during peak sun hours for better skin health.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Bastorf | 1 | 2 | 3 | 5 | 6 | 8 | 7 | 6 | 5 | 3 | 2 | 1 |
| Hamburg UVI | 1 | 2 | 3 | 5 | 7 | 8 | 7 | 7 | 5 | 3 | 2 | 1 |
| Berlin UVI | 1 | 2 | 4 | 5 | 7 | 8 | 7 | 7 | 5 | 3 | 2 | 1 |
| Koeln UVI | 1 | 2 | 4 | 5 | 7 | 8 | 8 | 7 | 5 | 4 | 2 | 1 |
| Frankfurt am Main UVI | 2 | 3 | 4 | 5 | 8 | 8 | 8 | 7 | 5 | 4 | 2 | 1 |
| Munich UVI | 2 | 3 | 5 | 6 | 8 | 9 | 9 | 8 | 6 | 4 | 2 | 1 |