Last updated: May 3, 2025
Understanding the UV Index in Kostelec, Czech Republic is crucial for all residents and visitors who want to enjoy the sun safely. The UV Index provides vital information about sun exposure levels, which is essential for preventing sunburn and maintaining long-term skin health. With a Cfb climate, Kostelec experiences varying UV levels throughout the day, peaking at 7 during midday hours. Being aware of these levels helps you make informed decisions about sun protection, ensuring you enjoy the beautiful outdoor spaces while safeguarding your skin from harmful UV radiation.
The UV Index today exhibits a clear peak between 12:00 PM and 2:00 PM, with a maximum reading of 7, indicating a high risk of harm from unprotected sun exposure during these hours. As the day begins, the UV Index is relatively low, starting at 1 at 7:00 AM and gradually rising to 3 by 9:00 AM. It escalates sharply to 6 by 11:00 AM and maintains a strong intensity of 7 until 2:00 PM. After this peak, the index starts to decline, dropping back to 5 at 3:00 PM, 4 at 4:00 PM, and returning to a safer level of 2 by the late afternoon, finally settling at 1 as the evening approaches. For outdoor enthusiasts, it’s essential to take precautions during peak hours to protect your skin from potential damage!
| 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 | 5 | moderate | 30 min |
| 16:00 | 4 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
The UV Index varies significantly throughout the year, reflecting changes in seasonal sun exposure. January and November exhibit low UV levels (Index 2) with a burn time of 45 minutes, while February and October show moderate levels (Index 3 and 4) with a burn time of 30 minutes. The risk escalates from March (Index 5) to June and July, where it reaches very high levels (Index 8), necessitating caution with a burn time of only 15 minutes. August and September maintain high levels (Index 6 and 7), with a burn time of 25 minutes. Visitors and residents should be particularly vigilant during the high-risk months of April to August, where sunscreen, protective clothing, and limited sun exposure are crucial to prevent skin damage. Always remain aware of the daily UV Index to stay safe in the sun!
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 |
| Kostelec | 2 | 3 | 5 | 6 | 7 | 8 | 8 | 7 | 6 | 4 | 2 | 1 |
| Pilsen UVI | 2 | 3 | 5 | 6 | 8 | 8 | 8 | 7 | 6 | 4 | 2 | 1 |
| Brno UVI | 2 | 3 | 5 | 6 | 8 | 8 | 8 | 7 | 6 | 4 | 2 | 2 |