Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors in Nukus, Uzbekistan, where the risks of sun exposure can be significant due to its arid climate. The UV Index serves as a valuable guideline, helping you gauge the intensity of harmful ultraviolet (UV) radiation—especially during peak hours, typically ranging from 8 AM to 4 PM when levels can soar to a maximum of 10. Awareness of UV levels not only aids in preventing painful sunburns but also contributes to long-term skin health. With the intense sunshine characteristic of the BWk climate zone, being informed about UV exposure is essential for enjoying outdoor activities safely and responsibly.
The UV Index throughout the day showcases a notable rise, peaking at an impressive 10 between 1 PM and 2 PM. Starting from a mild 1 at 7 AM, sun lovers can expect a steady ascent, reaching 9 by noon. As the afternoon sun intensifies, the index holds a robust 10, signaling extreme UV exposure, before gradually tapering off to 4 by 5 PM and descending further to 1 by 7 PM. It's a classic reminder to stay protected during those peak hours, especially between 11 AM and 3 PM, when the sun's rays are most potent. Enjoy the sunshine, but don’t forget your sunscreen!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 6 | high | 25 min |
| 11:00 | 8 | very high | 15 min |
| 12:00 | 9 | very high | 15 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 10 | very high | 15 min |
| 15:00 | 8 | very high | 15 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, the UV Index exhibits notable fluctuations, indicating varying levels of solar radiation. The season begins with moderate exposure in January and February (UV Index 3) where the burn time is 30 minutes, but it escalates sharply from March with a high index of 6 and a reduced burn time of 25 minutes. The high-risk months are clearly identified from April to September, peaking in July with a UV Index of 10, all classified as very high, and requiring a mere 15 minutes of exposure before skin damage can occur. As summer gives way to autumn, the risk subsides, with October dropping to a moderate index of 5 (30 minutes burn time) and further declining through November and December. Residents and visitors should remain vigilant during the high-risk months, using protective measures such as sunscreen, hats, and sunglasses during peak UV hours, particularly from April to September, to safeguard their skin from potential harm.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Nukus | 3 | 3 | 6 | 8 | 9 | 9 | 10 | 9 | 8 | 5 | 3 | 2 |
| Tashkent UVI | 2 | 4 | 7 | 8 | 9 | 10 | 10 | 9 | 8 | 5 | 3 | 2 |
| Andijon UVI | 2 | 4 | 7 | 9 | 9 | 10 | 10 | 9 | 8 | 5 | 3 | 2 |
| Qo'qon UVI | 3 | 4 | 7 | 9 | 9 | 10 | 11 | 9 | 8 | 6 | 3 | 2 |
| Namangan UVI | 2 | 4 | 7 | 9 | 10 | 10 | 10 | 9 | 8 | 5 | 3 | 2 |
| Samarkand UVI | 3 | 4 | 7 | 8 | 10 | 11 | 11 | 9 | 8 | 6 | 3 | 3 |