Last updated: June 2, 2025
In Hluboka nad Vltavou, understanding the UV Index is crucial for safeguarding your skin health and preventing sunburn. The UV Index indicates the strength of ultraviolet radiation at different times of the day, with levels peaking between 11:00 AM and 1:00 PM when the risk of harm is highest. Particularly during the warmer months in this Cfb climate zone, UV levels can soar to a maximum of 9, making it essential to stay informed. By checking the UV Index regularly, residents and visitors can take proactive steps to protect their skin from potential damage, ensuring more enjoyable, sun-safe days in this beautiful Czech town.
The UV Index shows a distinct daily rhythm, peaking at 1 PM with a significant value of 9—a strong indicator for sun exposure. As the day unfolds, early morning starts at a comfortable 1 at 7 AM, gradually climbing to 2 by 8 AM. By 10 AM, it reaches 5, and just before noon, it surges to 8. The afternoon sees a slight dip from 9 at 1 PM to 7 by 3 PM, before slowly descending back to 1 by 7 PM. This data highlights the importance of sun protection during those peak hours, especially from 11 AM to 2 PM. Remember to stay safe and enjoy the sunshine!
| 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 | 5 | moderate | 30 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, the UV Index in our region exhibits significant seasonal changes, with the highest levels occurring during the summer months. Residents and visitors should be particularly cautious from May to July, where the UV Index reaches a peak of 9, categorized as very high, and presents a burn time of only 15 minutes. In contrast, January, November, and December register low UV levels, with burn times up to 45 minutes. As the UV Index rises, particularly in spring and summer, it is essential to utilize protective measures such as sunscreen, hats, and sunglasses. Therefore, from April onwards, vigilance is key to minimize the risk of sun-related skin damage.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Prague UVI | 2 | 3 | 4 | 5 | 7 | 8 | 8 | 7 | 6 | 4 | 2 | 1 |
| Ostrava UVI | 2 | 2 | 4 | 6 | 7 | 8 | 8 | 7 | 6 | 4 | 2 | 1 |
| Olomouc UVI | 2 | 3 | 4 | 6 | 7 | 8 | 8 | 7 | 6 | 4 | 2 | 2 |
| Pilsen UVI | 2 | 3 | 5 | 6 | 8 | 8 | 8 | 7 | 6 | 4 | 2 | 1 |
| Brno UVI | 2 | 3 | 5 | 6 | 8 | 8 | 8 | 7 | 6 | 4 | 2 | 2 |
| Hluboka nad Vltavou | 2 | 3 | 5 | 6 | 8 | 9 | 9 | 7 | 6 | 4 | 2 | 1 |