Last updated: May 3, 2025
Understanding the UV Index in Heidenau, Germany is crucial for maintaining skin health and preventing painful sunburns. As a town situated in a temperate climate zone (Cfb), Heidenau is no stranger to varying UV levels, especially during the peak sun hours from 11 AM to 2 PM. During these times, the UV Index can reach levels of 5 to 7, indicating a moderate to high risk of harm from unprotected sun exposure. By keeping an eye on the UV Index, residents and visitors alike can take proactive measures to protect their skin and enjoy the sunshine safely.
The UV Index reveals a dynamic pattern throughout the day, peaking at 7 between 1 PM and 2 PM. Early risers will experience a mild index of 1 at 7 AM, gradually increasing to 2 by 8 AM. As the sun climbs higher, the index escalates quickly, reaching 4 at 10 AM, and hitting 5 at 11 AM. By noon, it further intensifies to 6, showcasing the sun's potency. As afternoon sets in, the index remains strong at 7 before gently declining to 6 by 3 PM and tapering off to 4 by 4 PM. As evening approaches, the UV intensity drops steadily, landing at 1 by 7 PM, a gentle reminder to enjoy the sun wisely.
| 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 | 6 | high | 25 min |
| 13:00 | 7 | high | 25 min |
| 14:00 | 7 | high | 25 min |
| 15:00 | 6 | high | 25 min |
| 16:00 | 4 | 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 exhibits notable seasonal variations, with the highest levels occurring during the summer months. From May to August, individuals should be particularly cautious, as the index reaches its peak at 8 in June and maintains a high level of 7 in July and August. These months are classified as high-risk, with a significantly reduced burn time of just 15 to 25 minutes depending on the month. As the year progresses toward winter, the UV Index falls to lower levels in November and December, offering a reprieve with burn times extending back to 45 minutes. Visitors and residents are advised to monitor UV levels closely, wear protective clothing, and apply sunscreen, especially during the high-risk months to minimize the risk of skin damage.
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 |
| Heidenau | 1 | 2 | 4 | 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 |