Last updated: July 2, 2025
In Gueltz, Germany, staying informed about the UV Index is crucial for safeguarding your skin health and preventing painful sunburns. Understanding the UV levels throughout the day allows residents and visitors to take proactive measures against sun exposure, particularly during the peak hours when the index soars to 7 around midday. With a Cfb climate characteristic of mild summers and relatively high UV exposure, it's essential to be aware of these fluctuations and protect yourself accordingly. Whether you're enjoying outdoor activities or simply soaking in the sun, you can make informed decisions to minimize risks and maintain healthy skin.
As the day unfolds, the UV Index begins at a modest 1 at 7:00 AM, indicating low sun exposure. By 9:00 AM, it rises to a 3, signaling a gentle increase in UV rays. The sun reaches its peak intensity around noon, with the index hitting 7—a reminder to stay protected. From 12:00 PM to 2:00 PM, the index holds steady at this elevated level, ideal for sun safety measures. As the afternoon progresses, the UV Index gradually declines: 6 at 3:00 PM, then tapering to 2 by 6:00 PM, and finally back to 1 by 7:00 PM. It’s a clear reminder that while the sun’s power peaks early in the day, it’s essential to stay aware of UV exposure throughout.
| 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 | 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 |
The UV Index exhibits notable seasonal changes throughout the year. During the winter months of January and February, the UV levels are relatively low (1-2), allowing for a safer exposure time of up to 45 minutes without significant risk of sunburn. Come March and April, UV levels rise to a moderate range (4-5), with burn times decreasing to 30 minutes. The summer months of May through August represent the highest risk, with UV Index values peaking at 8 in June, indicating very high exposure risk, where a burn can occur in as little as 15 minutes. Even in July and August, the UV Index remains high (7-6), necessitating caution with sun exposure. As autumn arrives, the UV Index drops back down, with moderate levels in September and October, allowing for longer burn times of 30 minutes. The low-risk months return in November and December, with a UV Index of 1-2. Visitors and residents should be especially vigilant during the high-risk months of May through August, applying sunscreen, wearing protective clothing, and seeking shade to minimize the risk of sunburn and skin damage.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Gueltz | 1 | 2 | 4 | 5 | 7 | 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 |