Last updated: June 2, 2025
Understanding the UV Index is crucial for residents of Nongba, China, where the sun can be especially intense during the summer months, often reaching a maximum UV level of 12 around midday. This high level of ultraviolet radiation poses significant risks for sunburn and long-term skin health, making it imperative to be aware of daily UV fluctuations. With Nongba's Cwa climate, characterized by humid summers, citizens and visitors alike should prioritize sun safety to protect their skin from harmful effects. By staying informed about UV levels, you can enjoy the outdoors while safeguarding your health and well-being.
The UV Index fluctuates throughout the day, painting a vivid picture of solar intensity. Starting from a gentle 1 at 07:00, the sun steadily rises, and by 08:00, it reaches a moderate 3. The real heat kicks in around 09:00, hitting 5, and by 10:00, it surges to 8, signaling a call to protect your skin. The peak intensity occurs at 12:00 and 13:00, where it climbs to a striking 12, highlighting the need for sunscreen and shade. As the afternoon progresses, the levels begin to decline, dropping to 11 by 14:00, then tapering off to 8 at 15:00, before easing back to 5 at 16:00. As the day dims, the UV Index falls to 3 by 17:00 and settles back to 1 by 18:00 and 19:00. Stay sun-smart during these peak hours to enjoy the outdoors safely!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 8 | very high | 15 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 11 | extreme | 10 min |
| 15:00 | 8 | very high | 15 min |
| 16:00 | 5 | moderate | 30 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV Index levels exhibit significant variation, with the highest peaks occurring during the summer months. January and December experience a moderate UV Index of 5, allowing for a safer outdoor experience with a burn time of 30 minutes. As spring approaches, UV levels begin to rise, peaking in April and July with an extreme UV Index of 11 and 13, respectively, resulting in a mere 10-minute burn time during these high-risk months. The late spring and summer from March through September present serious risks, with indices reaching 12 or higher, necessitating caution. Visitors and residents are advised to take precautions by seeking shade, wearing protective clothing, and applying sunscreen regularly, especially during the high-risk months of March through September when exposure is most dangerous. As fall arrives, UV levels start to decrease, offering slightly safer conditions but still remaining vigilant in October and November with indices of 9 and 7.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Beijing UVI | 2 | 3 | 5 | 8 | 9 | 9 | 10 | 9 | 7 | 6 | 4 | 2 |
| Chengdu UVI | 5 | 6 | 8 | 10 | 12 | 11 | 11 | 10 | 11 | 8 | 6 | 4 |
| Shanghai UVI | 5 | 6 | 8 | 10 | 10 | 11 | 12 | 11 | 11 | 8 | 6 | 4 |
| Nongba | 5 | 7 | 9 | 11 | 12 | 12 | 13 | 12 | 12 | 9 | 7 | 5 |
| Guangzhou UVI | 7 | 9 | 11 | 12 | 13 | 13 | 13 | 12 | 11 | 10 | 9 | 7 |
| Shenzhen UVI | 7 | 10 | 12 | 12 | 14 | 13 | 13 | 13 | 12 | 11 | 9 | 7 |