Last updated: June 2, 2025
In Stari Troyany, Ukraine, understanding the UV Index is crucial for protecting your skin and overall health. The UV Index indicates the strength of ultraviolet radiation from the sun, which can lead to sunburn and long-term skin damage if proper precautions aren't taken. With a Cfa climate that often features strong sun exposure, especially during the peak hours of 12 PM to 2 PM, it's essential to be aware of the UV levels that can reach as high as 9. By staying informed about these levels, you can take proactive measures to enjoy the outdoors safely while safeguarding your skin health.
The UV Index throughout the day started off low, with 1 at 07:00, gradually rising as the sun climbed higher in the sky. By 09:00, it reached a moderate 4, but the real peak came at 12:00 with an impressive 9—a perfect reminder to apply sunscreen! As the afternoon unfolded, the UV levels remained high, hovering around 8 at 14:00 and dipping slightly to 7 by 15:00. As the sun began to set, the index gracefully descended, dropping to 3 by 17:00, and finally returning to a safe 1 by 19:00. This daily cycle underscores the importance of sun safety, particularly during those high noon hours.
| 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 | 9 | very high | 15 min |
| 13:00 | 9 | 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 |
Throughout the year, the UV Index experiences significant seasonal changes, impacting sun exposure and burn times. January and December see low UV levels (Index 2), with burn times of 45 minutes, while February and November moderate (Index 3), reducing burn time to 30 minutes. As spring arrives, March (Index 5) indicates a moderate risk before transitioning to April's high level (Index 7) with a burn time of 25 minutes. The peak risk occurs in May and June, where the UV Index reaches 8 to 9, categorizing exposure as very high and necessitating protective measures within just 15 minutes of sun exposure. July continues this trend, while August sees a slight decrease to 8. The UV Index tapers off in September (Index 7), October (Index 5), and November (Index 3), before returning to low levels in December. Visitors and residents are advised to take extra precautions during May through August, including wearing protective clothing, applying sunscreen, and seeking shade during peak hours to minimize the risk of UV exposure.
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 |
| 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 |
| Stari Troyany | 2 | 3 | 5 | 7 | 8 | 9 | 9 | 8 | 7 | 5 | 3 | 2 |