Last updated: June 2, 2025
In Unnau, Germany, being aware of the UV Index is crucial for protecting your skin from harmful sun exposure. Understanding UV levels can help you prevent sunburn and maintain long-term skin health, especially during those peak hours when the UV Index reaches as high as 8 around noon and early afternoon. Given Unnau's temperate maritime climate, where sunny days can be accompanied by a delightful warmth, knowing how to gauge UV risks is essential for enjoying the outdoors safely. Stay informed and take proactive steps to safeguard your skin, ensuring that your time under the sun is both enjoyable and responsible!
As the sun rises, the UV Index starts at a gentle 1 at 07:00, gradually climbing to a moderate 2 by 08:00. By 09:00, it reaches a 3, indicating that sun protection is becoming more important. The day's peak occurs at 12:00, when the UV Index hits a high of 8, prompting caution for prolonged exposure. This intensity remains steady until 14:00, before tapering off slowly. At 15:00, it drops to 7, then decreases to 6 by 16:00, and falls further to 4 at 17:00. As the day winds down, the index retreats to a soothing 2 by 18:00 and concludes at 1 by 19:00, making the evening safe for outdoor strolls. Remember to protect 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 | 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 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index exhibits notable seasonal variations, with the highest risk months being May through August. In May, the UV Index rises to 7 (high exposure category), followed by a peak at 8 in both June and July, indicating a very high risk of skin damage with a burn time of just 15 minutes. As August transitions to a slightly lower index of 7, risk remains elevated. Visitors and residents should take protective measures during these months, such as applying sunscreen with a high SPF, wearing protective clothing, and seeking shade during peak sunlight hours. Conversely, from November to February, the UV Index drops significantly to 1-3, categorized as low to moderate, allowing for longer exposure times without immediate risk of burning. Nonetheless, even in the cooler months, it’s wise to remain cautious and protect your skin when outdoors.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 |
| Unnau | 1 | 3 | 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 |