Last updated: July 2, 2025
Understanding the UV Index in Polonne, Ukraine is crucial for ensuring your skin's health and preventing sunburn. With a climate characterized by hot summers and varying UV exposure, being aware of the UV levels can help you protect yourself during those peak hours. Notably, in Polonne, the UV Index can peak at 8 around midday, indicating a high risk of harm from unprotected sun exposure. By keeping track of these levels, residents and visitors can make informed decisions about sun safety, reducing the risk of skin damage while enjoying the beautiful Ukrainian sunshine.
As the sun rises at 7:00 AM, the UV Index starts low at 1, gradually climbing to a moderate 2 by 8:00 AM. The intensity continues to increase, hitting 3 by 9:00 AM and reaching 5 at 10:00 AM. The peak of the day arrives at 12:00 PM with a solid 7, before soaring to a high point of 8 by 1:00 PM and remaining there until 2:00 PM. The UV Index then begins to decline, dropping to 7 by 3:00 PM, 5 by 4:00 PM, and further falling to 3 at 5:00 PM. As daylight fades, the index softens to 2 by 6:00 PM and finally returns to 1 by 7:00 PM. Staying protected from the sun is important as the midday hours present the highest UV levels!
| 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 | 8 | 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, 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 |
| Kharkiv UVI | 2 | 2 | 4 | 6 | 7 | 8 | 8 | 7 | 6 | 4 | 2 | 1 |
| Polonne | 2 | 2 | 4 | 6 | 7 | 8 | 8 | 7 | 6 | 4 | 2 | 2 |
| 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 |