Last updated: August 1, 2025
Understanding the UV Index in Joachimsthal, Germany, is essential for safeguarding your skin and overall health. With a climate classified as Cfb, this charming town experiences varying UV levels throughout the day, with peak exposure typically occurring between 11:00 AM and 2:00 PM when the index can reach 7. Being aware of these UV levels is crucial for preventing sunburn and long-term skin damage, allowing residents and visitors alike to enjoy the outdoors safely. Whether you're planning a relaxing afternoon in the sun or engaging in outdoor activities, keep an eye on the UV Index to protect yourself against harmful rays and maintain your skin’s health!
As the sun rises, the UV Index begins its slow ascent, starting at a mere 1 at 7:00 AM. By 8:00 AM, it climbs to 2, and as the clock strikes 9:00 AM, it reaches 3. The true intensity of the sun emerges around 10:00 AM, with the index leaping to 5. Just prior to noon, at 11:00 AM, it peaks at 6, but the real highlight comes at 12:00 PM, when it hits an impressive 7. This high continues until 2:00 PM, showcasing a strong midday sun before gradually easing off. By 3:00 PM, the index dips to 6, and by 4:00 PM, it further descends to 4. As the day winds down, the UV levels drop significantly; by 6:00 PM, it returns to 2, and finally settles back to 1 by 7:00 PM. Remember to protect yourself during those peak hours! ☀️
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 2 | low | 45 min |
| 10:00 | 4 | moderate | 30 min |
| 11:00 | 5 | moderate | 30 min |
| 12:00 | 6 | high | 25 min |
| 13:00 | 6 | high | 25 min |
| 14:00 | 6 | high | 25 min |
| 15:00 | 5 | moderate | 30 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 |
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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hamburg UVI | 1 | 2 | 3 | 5 | 7 | 8 | 7 | 7 | 5 | 3 | 2 | 1 |
| Joachimsthal | 1 | 2 | 4 | 5 | 7 | 8 | 7 | 6 | 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 |