Last updated: May 3, 2025
As residents of Khust, Ukraine enjoy the picturesque landscapes and rich cultural heritage, staying informed about the UV Index is crucial for maintaining skin health and preventing sunburn. Understanding UV levels helps you protect yourself from harmful rays, especially during the peak sunlight hours when the index reaches a maximum of 8 around 1 PM. In Khust's Dfb climate zone, where summers can bring heightened UV exposure, awareness is key to safeguarding your skin while embracing outdoor activities. By keeping an eye on the UV Index, you can enjoy the sun's warmth without compromising your health.
The UV Index throughout the day displays an intriguing pattern of solar intensity. Starting the morning at a maximum of 1 at 07:00 and 08:00, the index gradually ascends, reaching 3 by 09:00. A noticeable spike occurs at 10:00, hitting 4, and rapidly climbs to a peak of 8 by 13:00. The afternoon sun continues to deliver intense rays, with the index slightly retreating to 7 by 14:00, and declining gradually afterward. By 17:00, the index drops to 3, and as the sun sets, it winds down to 1 by 19:00. If you're planning outdoor activities, the perfect time to soak in the sun would be around 12:00 to 13:00, when UV exposure reaches its zenith. Always remember to protect your skin during these peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 3 | moderate | 30 min |
| 10:00 | 4 | moderate | 30 min |
| 11:00 | 6 | high | 25 min |
| 12:00 | 7 | high | 25 min |
| 13:00 | 8 | very high | 15 min |
| 14:00 | 7 | high | 25 min |
| 15:00 | 6 | 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, UV Index levels fluctuate significantly, influencing the risk of sun exposure. From January to February, the UV Index remains low to moderate (2 to 3), allowing for safer outdoor activities with burn times of up to 45 minutes. As March arrives, the UV Index escalates to 5, marking the start of high-risk months, with more caution advised. April sees a leap to 6 (high category), while May through August present the peak UV exposure, with indices rising to 8 and 9 (very high) and burn times decreasing to just 15 minutes. As September and October transition back to moderate levels (6 and 4), burn times increase again to 25 and 30 minutes respectively. The year concludes with November and December, where conditions revert to low UV Index levels (2), allowing for prolonged sun exposure of 45 minutes or more. To ensure safety, visitors and residents should take precautionary measures during high-risk months from April to August, such as wearing protective clothing, using sunscreen, and seeking shade during peak hours.
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 |
| Khust | 2 | 3 | 5 | 6 | 8 | 9 | 8 | 8 | 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 |