Last updated: July 2, 2025
Understanding the UV Index is crucial for residents of Horodok, Ukraine, where sunny days beckon outdoor activities but also pose significant skin health risks. Being aware of UV levels plays a vital role in sunburn prevention and long-term skin protection, especially during the peak hours of exposure from 11 AM to 3 PM, when the UV Index can soar as high as 8. With Horodok’s Dfb climate, typical summer days can deliver intense sunlight, elevating the risk of skin damage. Stay informed and take the necessary precautions to enjoy the sun safely!
The UV Index throughout the day reveals a distinct pattern of increasing intensity as the sun rises. At 07:00, the index starts at a mild 1, gradually climbing to 2 by 08:00. As the day progresses, the intensity ramps up, peaking at an impressive 8 during the hours of 13:00 and 14:00—a clear indication that midday sun is at its most potent. After this height, the index begins to descend, dropping back to 6 at 16:00, and later settling at a more manageable 1 by 19:00. This hourly data clearly underscores the importance of sun protection during the midday hour for outdoor activities.
| 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 | 4 | moderate | 30 min |
| 11:00 | 6 | high | 25 min |
| 12:00 | 7 | high | 25 min |
| 13:00 | 8 | very high | 15 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 6 | high | 25 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index fluctuates significantly, impacting the risk of skin damage from sun exposure. High-risk months for UV exposure include April through August, with the index peaking at a very high level of 9 in June. During these months, the recommended burn time decreases to as low as 15 minutes, necessitating caution. In contrast, January, November, and December experience lower UV levels, categorized as low with burn times of up to 45 minutes. Visitors and residents are advised to take protective measures during high UV periods by wearing sunscreen, protective clothing, and sunglasses, especially in the peak summer months. Stay informed and proactive to minimize the risk of sunburn and long-term skin damage.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Kyiv UVI | 2 | 2 | 4 | 6 | 7 | 8 | 8 | 7 | 6 | 4 | 2 | 1 |
| Kharkiv UVI | 2 | 2 | 4 | 6 | 7 | 8 | 8 | 7 | 6 | 4 | 2 | 1 |
| Horodok | 2 | 3 | 4 | 6 | 7 | 9 | 8 | 7 | 6 | 4 | 2 | 1 |
| Dnipro UVI | 2 | 3 | 5 | 6 | 7 | 8 | 8 | 8 | 6 | 4 | 2 | 1 |
| Donetsk UVI | 2 | 3 | 5 | 6 | 8 | 9 | 8 | 8 | 6 | 4 | 2 | 1 |
| Odessa UVI | 2 | 3 | 5 | 7 | 8 | 9 | 8 | 8 | 7 | 4 | 3 | 2 |