Last updated: July 2, 2025
Understanding the UV Index in Sankt Johann, Germany, is vital for safeguarding your skin health and preventing sunburn. With its temperate oceanic climate, this charming town experiences varying levels of UV exposure, particularly peaking in the midday sun. During peak hours, the UV Index can soar to 9, indicating a high risk of harm from unprotected sun exposure. Being aware of these UV levels allows residents and visitors alike to take proactive measures, ensuring enjoyable and safe outdoor activities while protecting their skin from harmful UV rays. Remember, knowledge is your best defense against skin damage!
As the day unfolds, the UV Index rises steadily, peaking at 9 between 1:00 PM and 2:00 PM, indicating a very high risk of harm from unprotected sun exposure. The morning sees a gentle start with a maximum of 3 at 9:00 AM, climbing to 6 by 11:00 AM. By noon, it escalates to 8, warning sun-seekers to take precautions. The afternoon remains intense before gradually decreasing, hitting 4 by 5:00 PM and returning to a minimal 1 by 7:00 PM. It’s a day to embrace the sun wisely, staying protected during those peak hours when UV rays are fiercest!
| 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 | 8 | very high | 15 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 8 | very high | 15 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 demonstrates notable seasonal variations that affect exposure risk. January and February have relatively low to moderate UV levels (Index 2-3), with safe burn times of 45 and 30 minutes respectively. As spring approaches, March sees a rise to an index of 5, and by April, it reaches 6, marking the beginning of high-risk months. The most critical period arrives in May and June, where the UV Index peaks at 8-9, indicating very high exposure risk and a reduced burn time of just 15 minutes. July and August maintain this peak, before tapering off in September with a return to a high risk (UV Index 6). October brings a moderate reduction (Index 4), while winter months November and December drop back to low levels. Visitors and residents should be particularly vigilant during May through September, using sunscreen and protective clothing to minimize harmful effects during these high-risk months.
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 |
| 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 |
| Sankt Johann | 2 | 3 | 5 | 6 | 8 | 9 | 9 | 8 | 6 | 4 | 2 | 1 |