Last updated: June 2, 2025
In Ziar nad Hronom, Slovakia, awareness of the UV Index is crucial for maintaining skin health and preventing sunburn, especially during the sunny months when UV levels can reach high peaks. Understanding these UV levels empowers residents and visitors to take proactive steps in protecting their skin from harmful rays. The region's Cfb climate often brings sunny days, with UV Index readings reaching a maximum of 9 around midday, indicating a significant risk of overexposure. By staying informed about these conditions, you can enjoy the beautiful outdoors safely while minimizing the negative impact of UV radiation on your skin.
As the sun rises, the UV Index begins its ascent, reaching a gentle 1 at 07:00. By 08:00, it doubles to 2, slowly warming up for the day ahead. Things heat up significantly by 09:00, hitting 4, and by 10:00, it climbs to a peak of 6. The zenith arrives at 12:00, where the index stands tall at 8, and by 13:00, it reaches a sizzling 9—the highest point of the day. As the afternoon wears on, the UV intensity begins to wane, dropping to 8 at 14:00 and then to 6 at 15:00. By 16:00, it cools further to 5, retreating to 3 by 17:00. The evening brings relief as the UV Index transitions back down to 2 at 18:00 and finally returns to a mild 1 by 19:00. This hourly journey highlights the importance of sun safety, especially during those midday hours when the UV rays are at their fiercest.
| 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 | 6 | high | 25 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 | 6 | 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 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Presov UVI | 2 | 3 | 5 | 6 | 7 | 8 | 8 | 7 | 6 | 4 | 2 | 1 |
| Kosice UVI | 2 | 3 | 5 | 6 | 7 | 8 | 8 | 7 | 6 | 4 | 2 | 1 |
| Bratislava UVI | 2 | 3 | 5 | 6 | 8 | 8 | 8 | 7 | 6 | 4 | 2 | 1 |
| Nitra UVI | 2 | 3 | 5 | 6 | 8 | 9 | 8 | 8 | 6 | 4 | 2 | 1 |
| Zilina UVI | 2 | 3 | 5 | 6 | 7 | 9 | 9 | 8 | 6 | 4 | 2 | 1 |
| Ziar nad Hronom | 2 | 3 | 5 | 6 | 8 | 9 | 8 | 8 | 6 | 4 | 2 | 1 |