Last updated: July 2, 2025
Understanding the UV Index is essential for residents of Semypolky, Ukraine, especially during the summer months when the sun's rays can be particularly intense. Awareness of UV levels is crucial not only for preventing sunburn but also for maintaining overall skin health and reducing the risk of long-term damage, such as skin cancer. Semypolky's Dfb climate brings moderate summers with daytime UV levels peaking around noon, reaching values of 7 to 8. This signifies a moderate to high risk of harm from unprotected sun exposure, making it vital for locals to stay informed and take necessary precautions when enjoying outdoor activities.
As the sun rises, the UV Index gradually climbs, showcasing its intensity throughout the day. At 07:00, it starts at a mild 1, but by 09:00, it picks up pace, reaching 3. The peak occurs at 12:00, hitting a solid 7. From 13:00 to 14:00, the index reaches its zenith at 8, warning us to take precautions under the midday sun. As the afternoon rolls on, the UV intensity drops steadily—dipping to 6 by 15:00, then falling further to 5 by 16:00. The evening brings more relief, with readings returning to 1 by 19:00. Be mindful of the sun’s powerful reach, especially during its peak hours!
| 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 | 6 | high | 25 min |
| 12:00 | 7 | high | 25 min |
| 13:00 | 8 | very high | 15 min |
| 14:00 | 7 | high | 25 min |
| 15:00 | 6 | 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 |
The UV Index exhibits significant seasonal changes, reflecting the sun's intensity throughout the year. From January to February, the UV levels remain low (UV Index 2), allowing for a burn time of 45 minutes, making these months relatively safe for outdoor activities. As spring approaches, March and April see a rise to moderate levels (UV Index 4 and 5, respectively) with shorter burn times of 30 minutes. The summer months of May to August pose the highest risks, particularly in June and July when the UV Index peaks at 8, corresponding to a very high exposure category and a burn time of only 15 minutes. September still carries a high risk (UV Index 6) before a gradual decline in October back to moderate levels (UV Index 3). November and December return to lower UV indices (UV Index 2 and 1), allowing for longer exposure times without risk. Visitors and residents should especially prioritize sun protection during May through September, employing sunscreen, hats, and seeking shade during peak hours to minimize UV exposure.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Semypolky | 2 | 2 | 4 | 5 | 7 | 8 | 8 | 7 | 6 | 3 | 2 | 1 |
| 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 |
| 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 |