Last updated: June 2, 2025
Understanding the UV Index in Ruzomberok, Slovakia is crucial for protecting your skin and overall health. This vital index indicates the strength of ultraviolet radiation from the sun, helping residents recognize when they’re at risk for sunburn and long-term skin damage. Ruzomberok, situated in a climate zone characterized by warm summers and cool winters (Dfb), experiences significant UV exposure, particularly during peak hours when the index can soar to 9. It's essential for everyone—from outdoor enthusiasts to casual sunbathers—to stay informed about daily UV levels to enjoy the sun safely while preserving their skin's integrity.
As the sun rises, the UV Index begins its ascent, peaking at 9 from noon to 1 PM—the most intense hours for sun exposure. Starting from a low of 1 at 7 AM, it gradually climbs to 3 by 8 AM, reaching 6 by 10 AM. The UV rays intensify further, hitting 8 at 11 AM before maxing out at 9 from 12 PM to 1 PM. As the afternoon progresses, the index decreases, dropping to 6 at 3 PM, then gently rolling off to 5 at 4 PM and tapering down to 1 by 7 PM. This day reflects a typical pattern, highlighting the importance of sun protection during those peak hours.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 6 | high | 25 min |
| 11:00 | 8 | very high | 15 min |
| 12:00 | 9 | 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, the UV Index demonstrates notable seasonal variations that affect exposure risk. January and February have relatively low to moderate UV levels (Index 2-3), with safe burn times of 45 and 30 minutes respectively. As spring approaches, March sees a rise to an index of 5, and by April, it reaches 6, marking the beginning of high-risk months. The most critical period arrives in May and June, where the UV Index peaks at 8-9, indicating very high exposure risk and a reduced burn time of just 15 minutes. July and August maintain this peak, before tapering off in September with a return to a high risk (UV Index 6). October brings a moderate reduction (Index 4), while winter months November and December drop back to low levels. Visitors and residents should be particularly vigilant during May through September, using sunscreen and protective clothing to minimize harmful effects during these high-risk months.
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 |
| Ruzomberok | 2 | 3 | 5 | 6 | 8 | 9 | 9 | 8 | 6 | 4 | 2 | 1 |