Last updated: June 2, 2025
Understanding the UV Index is essential for residents and visitors of Oravska Lesna, Slovakia, particularly given its Dfb climate, which can lead to fluctuating sun exposure levels. With peak UV indices reaching 9 during the midday hours, awareness of these measurements is crucial for preventing sunburn and protecting skin health. By comprehending UV levels, you can make informed decisions to safeguard yourself, especially when engaging in outdoor activities. The stunning natural landscapes of Oravska Lesna may beckon you outside, but being proactive about UV protection is key to enjoying the sun safely.
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 |
| Oravska Lesna | 2 | 3 | 5 | 6 | 8 | 9 | 9 | 8 | 6 | 4 | 2 | 1 |