Last updated: July 2, 2025
Understanding the UV Index is vital for residents and visitors of Loka pri Mengsu, Slovenia, as it plays a crucial role in protecting skin health and preventing sunburn. With a temperate climate (Cfb) that brings plenty of opportunities for outdoor activities, awareness of the daily UV levels is essential. UV exposure can peak at 9 during midday hours, making it imperative to take precautions, especially during the summer months. By staying informed about the UV Index, you can enjoy the beautiful landscapes of Loka pri Mengsu while keeping your skin safe from harmful effects.
The UV Index for the day showcases a notable rise in intensity as the sun climbs higher in the sky. Starting at a low of 1 at 7:00 AM, the index gradually increases to a moderate level of 3 by 9:00 AM. However, from 10:00 AM onward, things heat up significantly, peaking at a scorching 9 from noon to 2:00 PM. As the afternoon progresses, the UV Index gradually dips back to a friendly 3 by 5:00 PM, then descends further to 1 by the time evening sets in. This pattern underscores the importance of sun protection during peak hours, especially between 11:00 AM and 2:00 PM, when UV levels are at their highest.
| 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 | 9 | 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 | 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 Index levels show significant seasonal changes, with high-risk months occurring from April to August. During these months, the UV Index peaks at 9, indicating a very high exposure category during June and July, where the burn time is only 15 minutes. Visitors and residents should take caution, especially in May, June, July, and August, when skin protection measures are essential, such as using sunscreen, wearing protective clothing, and seeking shade. As summer transitions to fall, UV levels gradually decrease; however, moderate exposure levels in April and October warrant continued awareness. The lowest UV indexes are found in January and December, categorizing them as low risk with longer burn times of 45 minutes, offering a reprieve from sun-related hazards.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Maribor UVI | 2 | 3 | 5 | 6 | 8 | 9 | 9 | 8 | 6 | 4 | 3 | 2 |
| Celje UVI | 2 | 3 | 5 | 6 | 8 | 9 | 9 | 8 | 6 | 4 | 3 | 2 |
| Velenje UVI | 2 | 3 | 5 | 6 | 8 | 9 | 9 | 8 | 6 | 4 | 3 | 2 |
| Loka pri Mengsu | 2 | 3 | 5 | 6 | 8 | 9 | 9 | 8 | 7 | 4 | 3 | 2 |
| Kranj UVI | 2 | 3 | 5 | 6 | 8 | 9 | 9 | 8 | 7 | 4 | 3 | 2 |
| Ljubljana UVI | 2 | 3 | 5 | 6 | 8 | 9 | 9 | 8 | 7 | 5 | 3 | 2 |