Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors in Xindu, China, as it significantly impacts skin health and sunburn prevention. With a climate characterized by warm summers and moderate rainfall, Xindu often experiences high UV exposure, particularly during midday when levels can soar to a maximum of 10. By being aware of the UV levels throughout the day, you can take necessary precautions to protect your skin, enjoy outdoor activities safely, and reduce the risk of long-term damage. Stay informed and stay safe under the sun!
As the sun rises, the UV Index starts low at 2 at 7:00 AM, gradually climbing to a moderate 4 by 8:00 AM. The intensity peaks dramatically at 10:00 AM, reaching an impressive 10—a clear signal for outdoor enthusiasts to take precautions. From 11:00 AM to 1:00 PM, the UV Index remains steady at this maximum level, ensuring that midday sun exposure can be quite harmful. After 2:00 PM, the index begins its descent, dropping to 8 by 2:00 PM and further declining to 5 at 3:00 PM. As the afternoon wanes, the UV Index falls to 3 by 4:00 PM, with evening hours presenting little risk, dipping to 1 at 5:00 PM and finally dropping to 0 by 7:00 PM. Overall, a midday outing requires caution, but post-lunch hours offer safer conditions for sun lovers.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 4 | moderate | 30 min |
| 09:00 | 6 | high | 25 min |
| 10:00 | 8 | very high | 15 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 5 | moderate | 30 min |
| 16:00 | 3 | moderate | 30 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
As the seasons change, so do UV levels, necessitating awareness for residents and visitors alike. January and December see a moderate UV Index of 4, with a burn time of 30 minutes, while February ramps up to a high index of 6 (25 minutes). The spring months (March and April) exhibit a marked increase, reaching a very high index of 8 and 9 respectively, with a burn time decreasing to 15 minutes. May and June maintain this very high level (UV Index 10), followed closely by the peak summer months of July and August, which reach an extreme UV Index of 11 and a quick burn time of only 10 minutes. As summer fades into fall, September returns to a very high level of 10, followed by October's high index of 7 (25 minutes). November drops back to moderate levels, ending the year with 5 in November and returning to 4 in December. Residents and visitors are urged to protect themselves during the high-risk months of March through September, particularly from July to August, by seeking shade, wearing protective clothing, and applying sunscreen to minimize the risk of skin damage.
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 |
| Xindu | 4 | 6 | 8 | 9 | 10 | 10 | 11 | 11 | 10 | 7 | 5 | 4 |
| 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 |
| 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 |