Last updated: June 2, 2025
Awareness of the UV Index in Tvirzha, Ukraine is crucial for safeguarding your skin health and preventing sunburn. Understanding UV levels helps residents and visitors alike to take necessary precautions during those peak sun hours. With a climate characterized by warm summers and significant UV exposure, Tvirzha’s UV Index can reach a high of 9 around midday, making it especially important for outdoor activities. By staying informed about these levels, you can enjoy the sun safely while protecting your skin from harmful effects.
The UV Index throughout the day showcases a dynamic pattern of intensity. Starting at a mild 1 at 07:00, it gradually escalates as the sun climbs higher. By 10:00, it reaches 5, signaling a noteworthy rise. The peak occurs at 13:00, with a striking 9, indicating a high potential for harm without protection. Following this zenith, the index starts to wane, dropping to 6 by 16:00 and further diminishing to 1 by 19:00. This illustrates a critical window from 10:00 to 14:00 when caution is essential for outdoor enthusiasts looking to enjoy the sun safely.
| 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 | 9 | very high | 15 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 6 | high | 25 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV levels fluctuate significantly, impacting the risk of sunburn and the need for protective measures. From January to March, the UV Index remains relatively low, ranging from 2 to 4, meaning burnout time is longer, and exposure is generally safe. However, as April and May approach, the UV Index rises to 6 and 7, categorizing them as high, with burn times shortening to 25 minutes. The summer months of June and July present the highest risk, reaching a peak UV Index of 9 and 8 respectively, classified as very high; this drastically reduces safe exposure to just 15 minutes. Moving into August and September, the risk remains elevated with UV Index values of 7 and 6. As we enter the cooler months, October to December, the UV Index decreases again to 2 to 4, returning to a low-risk category. Residents and visitors should take special care during the high-risk months from April to September, using sunscreen, wearing protective clothing, and minimizing sun exposure, particularly during peak hours to safeguard against harmful UV rays.
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 |
| Tvirzha | 2 | 3 | 4 | 6 | 7 | 9 | 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 |