Last updated: July 2, 2025
Understanding the UV Index is crucial for residents of Letychiv, Ukraine, especially during the peak summer months when the sun's rays can be particularly intense. With maximum UV levels reaching 8 between 12 PM and 2 PM, the risk of sunburn and long-term skin damage significantly increases if proper precautions aren't taken. Living in a Dfb climate, characterized by warm summers and varied seasonal changes, makes it essential to stay informed about daily UV exposure to protect your skin health. By understanding the UV levels, you can enjoy the sunny days while safeguarding your skin from harmful effects.
The UV index throughout the day reveals a fascinating pattern of sun intensity. Early risers will notice a gentle start at 1 around 7:00 AM, gradually climbing to a moderate 3 by 9:00 AM. As the sun reaches its peak, the index hits 6 at 11:00 AM, escalating to an impressive 8 from 12:00 PM to 2:00 PM—the height of solar exposure. After this, the UV levels begin to wane, dropping to 7 at 3:00 PM, and further decreasing to moderate numbers of 5, 3, and 2 as the sun sets, concluding the day with a calm 1 at 7:00 PM. Remember, during the peak hours, sun safety is crucial!
| 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 | 3 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
The UV Index experiences significant fluctuations throughout the year, with high-risk months identified primarily from April to August when the UV levels reach their peak. Particularly, June and July register a UV Index of 8 (very high), indicating a burn time of just 15 minutes, necessitating caution for all outdoor activities. In contrast, from January to February and November to December, the UV Index remains low at 2, allowing for longer exposure times of up to 45 minutes without significant risk. To protect yourself from harmful UV rays, it is advisable for both visitors and residents to seek shade during peak hours, wear protective clothing, and apply sunscreen during these elevated risk months, while being mindful that the UV levels drop significantly outside of this mid-year period.
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 |
| Letychiv | 2 | 3 | 4 | 6 | 7 | 8 | 8 | 7 | 6 | 4 | 2 | 2 |
| 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 |