Last updated: June 2, 2025
Understanding the UV Index is crucial for residents of Kostiantynivka, Ukraine, as it serves as an essential tool for assessing sun exposure and protecting skin health. With a climate classified as Dfb, the city experiences varying UV levels throughout the day, peaking at a significant 9 between noon and 1 PM. Being aware of these levels is vital for preventing sunburn and reducing the long-term risks of skin damage. From the UV Index of 2 in the early hours to the intense highs just before noon, knowing when to seek shade and apply sunscreen can make all the difference in keeping your skin safe while enjoying the sun.
The UV Index throughout the day showcases a dynamic rise and fall in sun exposure. Starting at a moderate level of 2 at 7:00 AM, it gradually climbs to a peak of 9 between 12:00 PM and 1:00 PM, indicating intense sun intensity. As the afternoon progresses, the index dips, falling to 8 at 2:00 PM before decreasing to 6 at 3:00 PM. By the late afternoon and evening hours, the UV Index lowers significantly, hitting 2 at 5:00 PM and dropping to 1 by 7:00 PM. Overall, this data emphasizes the importance of sun safety during the midday hours when UV exposure is at its highest.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 6 | high | 25 min |
| 11:00 | 8 | very high | 15 min |
| 12:00 | 9 | very high | 15 min |
| 13:00 | 9 | 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 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index demonstrates significant seasonal variations, with the highest UV exposure occurring from March to September. During this period, particularly in May, June, July, and August, the UV Index peaks at 8 to 9, categorizing these months as very high risk for sun exposure. Visitors and residents should take precautions during these high-risk months, such as seeking shade, wearing protective clothing, and applying sunscreen frequently. In contrast, the low risk months of January, February, November, and December have a UV Index ranging from 1 to 2, where exposure is manageable for longer periods, with burn times up to 45 minutes. Be vigilant and adjust sun protection strategies as the UV Index increases, particularly in the late spring and summer months.
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 |
| Kostiantynivka | 2 | 2 | 5 | 6 | 8 | 9 | 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 |