Last updated: August 1, 2025
In Sundu, China, being aware of the UV Index is crucial for protecting your skin and promoting overall health. Understanding UV levels can significantly help in preventing sunburn and long-term skin damage, especially under the intense sun exposure typical of this Cfa climate zone. With UV Index values soaring to a peak of 12 around noon, residents and visitors alike must remain vigilant during peak hours to avoid harmful effects. By staying informed about local UV risks, you can enjoy the sunny days in Sundu while safeguarding your skin’s health for years to come.
The UV Index begins its ascent at 07:00 with a low reading of 1, signaling a mild start to the day. By 08:00, it rises to 3, still manageable for those enjoying the morning sun. However, as the sun climbs higher, the intensity peaks dramatically at 12:00 with a scorching 12, indicating a high risk of harm from unprotected sun exposure. Throughout the late morning and early afternoon, the index hovers around the 11-9 range, urging caution for outdoor activities. Post-14:00, the intensity wanes, dropping to 7 at 15:00 and further to 4 by 16:00, before settling back to 2 at 17:00. The day concludes with gentle UV levels of 1 from 18:00 onward, offering a safe reprieve as twilight approaches. Staying protected during peak hours is crucial to enjoy the beautiful sunshine without risk!
| 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 | 11 | extreme | 10 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 4 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
Throughout the year, UV index levels exhibit distinct seasonal changes, with high-risk months occurring from March to September. During this period, the UV index peaks at 12 from June to August, indicating extreme exposure, while May and September are also classified as extreme with indices of 11. Residents and visitors should be particularly vigilant during these months, as burn times shorten significantly—down to just 10 minutes in the peak summer months. It’s essential to take protective measures such as wearing sunscreen, sunglasses, and protective clothing when spending time outdoors. In contrast, October and November see a reduction in risk, though January and February still require caution due to high UV levels. Overall, staying informed and prepared will help minimize the risks associated with UV exposure throughout the year.
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 |
| Sundu | 6 | 7 | 9 | 10 | 11 | 12 | 12 | 12 | 11 | 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 |