Last updated: July 2, 2025
Understanding the UV Index is essential for the residents of Khrystoforivka, Ukraine, where the fluctuating levels of ultraviolet radiation can significantly impact skin health. With a Dfb climate, the region experiences varied UV exposure throughout the day, peaking at a level of 8 between noon and two o'clock, which poses a high risk for sunburns. Being aware of these UV levels is crucial not only for preventing immediate skin damage but also for long-term health. By keeping track of these changes, residents can take proactive measures to protect themselves under the sun, especially during the warmer months when outdoor activities are on the rise.
The UV Index throughout the day reveals a clear trajectory of increasing intensity, peaking at 12:00 PM when it reaches an impressive 8. Starting from a gentle 1 at 7:00 AM, it gradually climbs, hitting 5 by 10:00 AM. The sun’s strength becomes undeniable as it soars to 7 at 11:00 AM and maintains a robust 8 from 12:00 PM to 2:00 PM. As the afternoon progresses, the index drops to 6 by 3:00 PM and continues to decrease, settling back to a mild 1 by 7:00 PM. This hourly data highlights the importance of sun protection during the peak hours when the UV Index is at its highest, particularly from 11:00 AM to 2:00 PM.
| 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 | 8 | very high | 15 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 6 | high | 25 min |
| 16:00 | 4 | moderate | 30 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
The seasonal changes in UV Index highlight a significant increase in UV intensity during the warmer months. January starts with a low UV Index of 2, allowing for 45 minutes of safe sun exposure, while February sees a moderate increase to 3, reducing burn time to 30 minutes. As spring progresses into April, the UV Index reaches 6 (high exposure) with a burn time of 25 minutes, escalating further in May and June to 8 and 9 respectively, where burn time drops sharply to just 15 minutes under very high exposure. July and August maintain this elevated UV Index of 8, indicating continued high risk. The UV levels begin to taper off in September (high at 6), October (moderate at 4), and then drop to 3 in November and 1 in December, where safe exposure times return to 30 and 45 minutes respectively. Visitors and residents are strongly advised to take precautions, particularly from May to August, when the risk for sunburn is at its highest. Wearing sunscreen, protective clothing, and seeking shade during peak UV hours can significantly mitigate the risk of harmful effects.
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 |
| Dnipro UVI | 2 | 3 | 5 | 6 | 7 | 8 | 8 | 8 | 6 | 4 | 2 | 1 |
| Khrystoforivka | 2 | 3 | 5 | 6 | 8 | 9 | 8 | 8 | 6 | 4 | 3 | 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 |