Last updated: July 2, 2025
Understanding the UV Index is crucial for residents of Stara Yahilnytsia, Ukraine, where exposure to harmful ultraviolet rays can vary significantly throughout the day. By keeping track of UV levels, you can effectively prevent sunburn and promote better skin health, safeguarding yourself during the sunny months. With a Dfb climate characterized by warm summers, Stara Yahilnytsia experiences peak UV exposure, especially around midday when indices reach as high as 8. Being informed about these UV levels empowers you to enjoy the outdoors while minimizing risks to your skin.
The hourly UV Index data reveals a fascinating story of sun exposure throughout the day. Starting at 1 at 07:00, the index steadily climbs to 8 by 12:00, reaching its peak intensity during the peak sun hours from 12:00 to 14:00. Here, the UV levels maintain a high 8, urging sun lovers to take precautions against harmful rays. As the afternoon transitions into the evening, the index gradually declines, tapering off to 4 by 17:00, and finally sinking back to 1 by 19:00. This data makes it clear: the sun's reach is strongest mid-day, and mindful sun safety is essential for those enjoying outdoor activities during these 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 | 8 | very high | 15 min |
| 13:00 | 8 | 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 | 4 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV levels fluctuate significantly, impacting the risk of sunburn and the need for protective measures. From January to March, the UV Index remains relatively low, ranging from 2 to 4, meaning burnout time is longer, and exposure is generally safe. However, as April and May approach, the UV Index rises to 6 and 7, categorizing them as high, with burn times shortening to 25 minutes. The summer months of June and July present the highest risk, reaching a peak UV Index of 9 and 8 respectively, classified as very high; this drastically reduces safe exposure to just 15 minutes. Moving into August and September, the risk remains elevated with UV Index values of 7 and 6. As we enter the cooler months, October to December, the UV Index decreases again to 2 to 4, returning to a low-risk category. Residents and visitors should take special care during the high-risk months from April to September, using sunscreen, wearing protective clothing, and minimizing sun exposure, particularly during peak hours to safeguard against harmful UV rays.
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 |
| Stara Yahilnytsia | 2 | 3 | 4 | 6 | 7 | 9 | 8 | 7 | 6 | 4 | 2 | 2 |
| 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 |