Last updated: June 2, 2025
In Merefa, Ukraine, understanding the UV Index is crucial for maintaining skin health and preventing sunburn, especially during the warmer months. With the region’s Dfb climate, residents experience a mix of humid continental conditions, which can elevate UV exposure during peak hours, particularly between 10:00 AM and 2:00 PM when levels reach a high of 8. By being aware of these UV levels, you can take proactive steps to safeguard your skin and enjoy outdoor activities without the risk of harmful effects from the sun. Stay informed and protect yourself from the sun’s rays!
The UV Index throughout the day reveals a notable peak in sun exposure between 12:00 PM and 1:00 PM, where it reaches a maximum of 8. Starting from the early morning at 7:00 AM with a minimal reading of 1, the index gradually climbs as the sun rises, hitting 3 by 8:00 AM and reaching 6 at 10:00 AM. The intensity continues to escalate, peaking at 11:00 AM with a 7, before reaching its zenith at 12:00 PM. Following this midday spike, the UV levels begin to decline, dropping back to 4 by 4:00 PM and tapering off to 3 by 5:00 PM. As the evening approaches, the index diminishes significantly, falling to 1 by 6:00 PM, making it crucial to seek shade or apply sunscreen during those peak hours for optimum skin protection.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 6 | high | 25 min |
| 11:00 | 7 | high | 25 min |
| 12:00 | 8 | very high | 15 min |
| 13:00 | 8 | very high | 15 min |
| 14:00 | 7 | high | 25 min |
| 15:00 | 6 | high | 25 min |
| 16:00 | 4 | moderate | 30 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV levels experience significant fluctuations, with high-risk months identified as April through August, during which the UV Index can reach as high as 8 and fall within the very high exposure category. Specifically, June and July are the peak months for UV exposure, requiring extra caution as the burn time shortens to just 15 minutes. In contrast, January, November, and December present the lowest UV indices, categorized as low exposure, allowing for safer outdoor activities with extended burn times of 45 minutes. To ensure safety, visitors and residents should remain vigilant in high-risk months, applying sunscreen, wearing protective clothing, and seeking shade during peak hours, while enjoying the more forgiving UV levels during the winter 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 |
| Merefa | 2 | 3 | 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 |