Last updated: May 3, 2025
In Znojmo, Czech Republic, staying informed about the UV Index is essential for protecting your skin and overall health. Understanding UV levels can help prevent painful sunburns and reduce the risk of long-term skin damage. Given Znojmo's temperate climate, which boasts warm summers, the UV exposure can reach its peak between 11 AM and 2 PM, with values climbing as high as 8 on the scale. By being aware of the UV Index, you can enjoy the stunning outdoor landscapes of Znojmo while taking the necessary precautions to safeguard your skin.
The UV Index throughout the day exhibits a clear peak around midday. Starting from a low of 1 at 07:00, the intensity gradually escalates, hitting 3 by 09:00 and reaching its zenith of 8 at 13:00. As the sun climbs higher, the UV Index stands at 7 at 12:00, indicating a strong potential for skin damage without protection. The intensity starts to dip after 14:00, descending to 6 by 15:00, and further declining to 1 by 18:00, where it remains until sunset. This hourly data underscores the importance of sun protection during the peak hours of 11:00 to 14:00, ensuring safety while enjoying outdoor activities!
| 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 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index exhibits significant seasonal variations, with the highest levels occurring from May to July, categorized as very high with a burn time of just 15 minutes. April marks the transition into higher UV exposure, registering a UV Index of 6 and a high exposure category. Conversely, the winter months of January, November, and December remain in the low exposure category, with burn times up to 45 minutes. Visitors and residents should be particularly cautious during the high-risk months of May, June, and July, when it is crucial to seek shade, wear protective clothing, and apply sunscreen regularly to minimize the risk of skin damage. As the UV Index decreases in the fall and winter, vigilance can be relaxed, but some level of sun protection remains advisable year-round.
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 |
| Znojmo | 2 | 3 | 5 | 6 | 8 | 8 | 8 | 7 | 6 | 4 | 2 | 1 |