Last updated: May 3, 2025
Understanding the UV Index in Desna, Czech Republic, is crucial for protecting your skin and overall health. With its Cfb climate, Desna experiences varying UV exposure throughout the day, peaking with levels that can reach 8 during midday hours. This makes awareness of UV levels vital for sunburn prevention and long-term skin health, especially for those enjoying outdoor activities. By keeping an eye on the UV Index, residents and visitors can better safeguard against the harmful effects of the sun, ensuring a safe and pleasant experience under the beautiful Czech sky.
The UV Index throughout the day presents a fascinating ebb and flow, starting at a mild 1 at 7:00 AM and gradually climbing to its peak of 8 by 1:00 PM. As the sun ascends in the sky, the intensity of ultraviolet rays increases sharply, reaching 6 at 11:00 AM and hitting 7 just before noon. The afternoon sees a gentle decline, with values dropping to 6 by 3:00 PM and further down to 2 by 6:00 PM, before tapering off to 1 again by 7:00 PM. This data underscores the importance of sun protection during the midday hours when UV exposure is at its highest. Remember to stay safe under the sun! 🌞
| 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 | 8 | very high | 15 min |
| 14:00 | 7 | high | 25 min |
| 15:00 | 6 | high | 25 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 |
Throughout the year, UV levels vary significantly, with the highest risk months occurring from May to August, where the UV Index reaches a peak of 9 in June and remains at 8 during July and August, indicating a very high exposure category and a critical burn time of just 15 minutes. In contrast, winter months see much lower UV levels, with January and November registering a UV Index of 2 and December dropping to 1, categorized as low exposure. Visitors and residents should exercise caution during the high-risk months by minimizing sun exposure, wearing protective clothing, and applying sunscreen regularly, particularly between late spring and early fall when UV radiation is at its strongest.
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 |
| Brno UVI | 2 | 3 | 5 | 6 | 8 | 8 | 8 | 7 | 6 | 4 | 2 | 2 |
| Desna | 2 | 3 | 5 | 6 | 8 | 9 | 8 | 8 | 6 | 4 | 2 | 1 |