Last updated: June 2, 2025
Understanding the UV Index is essential for residents and visitors in Sankt Lorenzen im Muerztal, Austria, as it plays a crucial role in safeguarding your skin health. Awareness of UV levels helps prevent sunburn and reduces the risk of long-term skin damage. Located in a Dfb climate zone, Sankt Lorenzen experiences significant fluctuations in UV exposure throughout the day, peaking at 9 around midday. With typical summer conditions leading to increased UV radiation, being mindful of these levels is vital for enjoying the beautiful outdoors while protecting your skin from harmful effects.
The UV Index throughout the day presents a clear pattern of intensity, peaking at midday. Starting from a mild level of 1 at 07:00, the index rises steadily, reaching 2 by 08:00. The real surge occurs between 09:00 and 13:00, where it escalates from 4 to a striking 9—the highest point of the day. As the afternoon unfolds, the intensity slightly declines to 7 at 15:00, before tapering off to 5 at 16:00. The evening sees a further decrease, settling back to 2 by 18:00 and returning to 1 at 19:00. For those enjoying outdoor activities, it’s essential to take precautions, especially during the peak hours from 11:00 to 14:00 when the UV rays are most potent.
| 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 | 8 | very high | 15 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, the UV Index undergoes significant changes, highlighting the varying levels of sun exposure risk for residents and visitors. January and December present the lowest UV levels (Index 2), categorized as low risk, with a burn time of 45 minutes. As we move into February (Index 3), the exposure risk becomes moderate, reducing the safe burn time to 30 minutes. The month of March marks the transition to high risk (Index 6), and this high category persists through April. The UV Index peaks during the summer months, particularly in May, June, and July, ranging from very high (Index 8 and 9) with an alarming burn time of just 15 minutes. August and September see a slight decline, yet remain in the very high/high category. As the weather cools in October and November, the risk decreases back to a moderate level. Visitors and residents are advised to take appropriate precautions, particularly during the high-risk months of March through September, by wearing sunscreen, protective clothing, and seeking shade to minimize UV exposure.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Vienna UVI | 2 | 3 | 5 | 6 | 8 | 8 | 8 | 7 | 6 | 4 | 2 | 1 |
| Linz UVI | 2 | 3 | 5 | 6 | 8 | 9 | 9 | 8 | 6 | 4 | 2 | 1 |
| Graz UVI | 2 | 3 | 5 | 6 | 8 | 9 | 9 | 8 | 6 | 4 | 3 | 1 |
| Sankt Lorenzen im Muerztal | 2 | 3 | 6 | 6 | 8 | 9 | 9 | 8 | 7 | 4 | 3 | 2 |
| Salzburg UVI | 2 | 3 | 6 | 7 | 8 | 9 | 9 | 8 | 6 | 4 | 3 | 2 |
| Innsbruck UVI | 2 | 4 | 7 | 7 | 9 | 10 | 10 | 9 | 7 | 5 | 3 | 2 |