Last updated: May 3, 2025
Understanding the UV Index is crucial for residents of Oster, Ukraine, where the climate can lead to varying levels of sun exposure throughout the day. With peak UV Index values reaching 7 during midday hours, awareness of these levels is essential for effective sunburn prevention and maintaining skin health. Prolonged exposure to high UV levels can significantly increase the risk of skin damage and related health issues. By keeping an eye on the UV Index, you can enjoy the sunny days typical of Oster's Dfb climate while taking the right precautions to protect yourself and your loved ones from harmful UV radiation.
As the sun rises, the UV Index begins its slow ascent, starting at a mere 1 at 7:00 AM. By 8:00 AM, it climbs to 2, and as the clock strikes 9:00 AM, it reaches 3. The true intensity of the sun emerges around 10:00 AM, with the index leaping to 5. Just prior to noon, at 11:00 AM, it peaks at 6, but the real highlight comes at 12:00 PM, when it hits an impressive 7. This high continues until 2:00 PM, showcasing a strong midday sun before gradually easing off. By 3:00 PM, the index dips to 6, and by 4:00 PM, it further descends to 4. As the day winds down, the UV levels drop significantly; by 6:00 PM, it returns to 2, and finally settles back to 1 by 7:00 PM. Remember to protect yourself during those peak 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 | 7 | high | 25 min |
| 13:00 | 7 | high | 25 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 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
The UV Index exhibits significant seasonal changes, reflecting the sun's intensity throughout the year. From January to February, the UV levels remain low (UV Index 2), allowing for a burn time of 45 minutes, making these months relatively safe for outdoor activities. As spring approaches, March and April see a rise to moderate levels (UV Index 4 and 5, respectively) with shorter burn times of 30 minutes. The summer months of May to August pose the highest risks, particularly in June and July when the UV Index peaks at 8, corresponding to a very high exposure category and a burn time of only 15 minutes. September still carries a high risk (UV Index 6) before a gradual decline in October back to moderate levels (UV Index 3). November and December return to lower UV indices (UV Index 2 and 1), allowing for longer exposure times without risk. Visitors and residents should especially prioritize sun protection during May through September, employing sunscreen, hats, and seeking shade during peak hours to minimize UV exposure.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Oster | 2 | 2 | 4 | 5 | 7 | 8 | 8 | 7 | 6 | 3 | 2 | 1 |
| 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 |