Last updated: July 2, 2025
Understanding the UV Index is crucial for residents of Zhytomyr, Ukraine, where sun exposure can markedly affect skin health. With summer temperatures soaring in this Dfb climate zone, awareness of UV levels helps prevent sunburn and long-term skin damage. During the peak hours of sunlight, particularly between 12 PM and 2 PM, the UV Index can reach levels of 8, indicating a high risk of harm from unprotected sun exposure. By keeping track of daily UV fluctuations, you can enjoy the sunny days in Zhytomyr while prioritizing your skin's safety and well-being.
The UV Index throughout the day presents a dynamic landscape of sun exposure. Starting off at a mild 1 at 7:00 AM, the intensity gradually rises, hitting 2 by 8:00 AM and 3 by 9:00 AM. The real peak emerges at 12:00 PM and 1:00 PM, where it reaches a robust 8—a signal to seek shade and cover up! As the afternoon progresses, the index gently declines to 6 by 3:00 PM, before tapering off further to 2 by 6:00 PM, and finally returning to a cool 1 by 7:00 PM. This data reminds us to be sun-smart during those critical midday 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 | 8 | very high | 15 min |
| 13:00 | 8 | very high | 15 min |
| 14:00 | 8 | very high | 15 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 show significant seasonal changes, with higher values indicating increased risk for skin damage. The low-risk months are January, February, November, and December, where the UV Index remains at 2, allowing for a burn time of 45 minutes. As spring approaches, March sees a rise to a moderate risk with an index of 4 and a reduced burn time of 30 minutes. The summer months of June and July peak with a very high UV Index of 8, leading to a minimum burn time of just 15 minutes. April and May also present high-risk levels of 6 and 7 respectively, suggesting caution with a burn time of only 25 minutes. August and September maintain high UV levels of 7 and 6, emphasizing the need for protective measures as burn times last 25 minutes. In October, the risk decreases to moderate, with a return to a 30-minute burn time. Residents and visitors should prioritize sun safety during March through September, ensuring the use of sunscreen, protective clothing, and regular sun breaks during peak hours to limit 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 |
| Zhytomyr | 2 | 2 | 4 | 6 | 7 | 8 | 8 | 7 | 6 | 4 | 2 | 2 |
| 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 |