Last updated: June 2, 2025
Understanding the UV Index is essential for residents and visitors of Grub, Austria, as it serves as a crucial indicator of sun exposure risks. Being informed about UV levels can significantly help in the prevention of sunburn and the promotion of long-term skin health. Grub’s climate, classified as Dfb, typically presents varying UV exposure throughout the day, with peak levels reaching up to 9 around midday. This underscores the importance of monitoring the UV Index to protect yourself while enjoying the beautiful outdoors.
The UV Index throughout the day reaches its peak around 1 PM, soaring to a high of 9. Early morning hours see a gentle rise, starting at 1 by 7 AM and gradually increasing to 4 by 9 AM. As the sun climbs higher, the index ramps up significantly, hitting 8 at 12 PM and declining thereafter. From 1 PM onward, the intensity begins to wane, dropping to 7 at 3 PM, then settling to a comfortable 3 by 5 PM. By evening, the index gently tails off, marking 2 by 6 PM and back to a restful 1 by 7 PM. Stay protected during those peak hours to enjoy the sunshine safely!
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 | 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 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 | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
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 |
Grub | 2 | 3 | 5 | 6 | 8 | 9 | 8 | 8 | 6 | 4 | 2 | 1 |
Graz UVI | 2 | 3 | 5 | 6 | 8 | 9 | 9 | 8 | 6 | 4 | 3 | 1 |
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 |