Last updated: June 2, 2025
In Roztoky, Ukraine, staying informed about the UV Index is crucial for safeguarding your skin health and preventing sunburn, especially during peak sun hours. Understanding UV levels helps you plan your outdoor activities effectively, ensuring you take protective measures when necessary. Roztoky’s Dfb climate brings seasonal variation, with summers presenting a heightened risk of UV exposure—particularly around midday, where the index can reach values as high as 9. By monitoring the UV Index, you can enjoy the sunny days while minimizing potential harm to your skin.
The UV Index today shows a dynamic rise and fall throughout the hours, peaking in the midday sun. Starting from a gentle 1 at 07:00, it gradually climbs to reach 8 by 12:00, just before the sun reaches its zenith. The intensity spikes to its highest point of 9 at 13:00, remaining high until 14:00, when it begins to taper off. By 15:00, it drops to 7, continuing its downward trend to 4 by 17:00, and then easing back to the safer 1 by 19:00. Remember to protect yourself during the peak hours, especially between 11:00 and 14:00, when the sun’s rays are strongest!
| 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 | 7 | high | 25 min |
| 12:00 | 8 | very high | 15 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 6 | high | 25 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index exhibits notable seasonal fluctuations, with several months posing higher risks for sun exposure. From January to March, the UV levels remain relatively low to moderate, with burn times stretching from 30 to 45 minutes. However, as temperatures rise in April, the index climbs to 6 (high), indicating a shift in risk. The summer months of May, June, and July reach peak UV levels, with indices of 8 and 9 (very high), significantly reducing safe exposure times to just 15 minutes. As August and September approach, the UV levels decrease slightly but remain at 6 and 7 (high), still necessitating precaution. By October, the risks lessen with a return to a moderate index of 4. The winter months of November and December bring the lowest UV levels again, dropping back to 2. Residents and visitors should take extra measures to protect their skin during the high-risk months of May to September, ensuring they use sunscreen and limit sun exposure, especially during peak hours.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Kyiv UVI | 2 | 2 | 4 | 6 | 7 | 8 | 8 | 7 | 6 | 4 | 2 | 1 |
| Kharkiv UVI | 2 | 2 | 4 | 6 | 7 | 8 | 8 | 7 | 6 | 4 | 2 | 1 |
| Dnipro UVI | 2 | 3 | 5 | 6 | 7 | 8 | 8 | 8 | 6 | 4 | 2 | 1 |
| Donetsk UVI | 2 | 3 | 5 | 6 | 8 | 9 | 8 | 8 | 6 | 4 | 2 | 1 |
| Roztoky | 2 | 3 | 5 | 6 | 8 | 9 | 8 | 7 | 6 | 4 | 2 | 2 |
| Odessa UVI | 2 | 3 | 5 | 7 | 8 | 9 | 8 | 8 | 7 | 4 | 3 | 2 |