Last updated: June 2, 2025
In Vrchotovy Janovice, Czech Republic, being aware of the UV Index is essential for protecting your skin and overall health. Understanding UV levels can significantly aid in sunburn prevention, ensuring that you enjoy the sun safely while minimizing the risk of skin damage. With a Cfb climate, residents and visitors alike should be particularly vigilant during peak hours, where UV Index values can soar to as high as 9 around noon, posing a risk for overexposure. By staying informed about the daily UV Index, you can take proactive measures to safeguard your skin and revel in the beauty of Vrchotovy Janovice's sunny days.
The UV Index shows a distinct daily rhythm, peaking at 1 PM with a significant value of 9—a strong indicator for sun exposure. As the day unfolds, early morning starts at a comfortable 1 at 7 AM, gradually climbing to 2 by 8 AM. By 10 AM, it reaches 5, and just before noon, it surges to 8. The afternoon sees a slight dip from 9 at 1 PM to 7 by 3 PM, before slowly descending back to 1 by 7 PM. This data highlights the importance of sun protection during those peak hours, especially from 11 AM to 2 PM. Remember to stay safe and enjoy the sunshine!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 5 | moderate | 30 min |
| 11:00 | 7 | high | 25 min |
| 12:00 | 8 | very high | 15 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 7 | 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 |
Throughout the year, UV Index values vary significantly, indicating changing risks for sun exposure. The months of May to August are high-risk periods, with UV Indexes peaking at 9 in June and remaining at 8 in July, where burn times drop to just 15 minutes. In contrast, January and December present lower risks, with UV Indexes of 2 and 1, allowing for safer outdoor activities with burn times of 45 minutes. From February to April, the risk begins to increase, reaching a moderate category with a burn time of 30 minutes in February and March. Visitors and residents are advised to take protective measures—such as wearing sunscreen, protective clothing, and sunglasses—especially during the peak summer months when the sun's intensity can lead to quick skin damage.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Prague UVI | 2 | 3 | 4 | 5 | 7 | 8 | 8 | 7 | 6 | 4 | 2 | 1 |
| Ostrava UVI | 2 | 2 | 4 | 6 | 7 | 8 | 8 | 7 | 6 | 4 | 2 | 1 |
| Olomouc UVI | 2 | 3 | 4 | 6 | 7 | 8 | 8 | 7 | 6 | 4 | 2 | 2 |
| Pilsen UVI | 2 | 3 | 5 | 6 | 8 | 8 | 8 | 7 | 6 | 4 | 2 | 1 |
| Vrchotovy Janovice | 2 | 3 | 5 | 6 | 8 | 9 | 8 | 7 | 6 | 4 | 2 | 1 |
| Brno UVI | 2 | 3 | 5 | 6 | 8 | 8 | 8 | 7 | 6 | 4 | 2 | 2 |