Last updated: July 2, 2025
In Dachengzi, China, being aware of the UV Index is crucial for protecting your skin and overall health. Understanding UV levels helps you manage sun exposure and prevents painful sunburns that can lead to long-term skin damage. With its Dwa climate zone, Dachengzi experiences varying UV exposure throughout the day, peaking at 10 between 11:00 AM and 1:00 PM. Being informed about these daily fluctuations enables residents and visitors alike to take the necessary precautions and enjoy the sun safely.
As the day begins, the UV Index starts gently at 2 at 7:00 AM, increasing steadily through the morning. By 10:00 AM, it peaks at a robust 8, marking the arrival of prime sun exposure. The intensity reaches its zenith from 11:00 AM to 1:00 PM, where it holds steady at a high 10, urging outdoor enthusiasts to take precautions against harmful rays. After this midday height, the UV Index begins its descent, tapering to 8 by 2:00 PM, then gradually dwindling to 4 by 4:00 PM. As the evening approaches, values drop further to 2 and finally to 1 by 6:00 PM, signaling a safe retreat from the sun's influence. Staying aware of these fluctuations can help protect against overexposure while enjoying the outdoors!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | 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 | 10 | very high | 15 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 6 | high | 25 min |
| 16:00 | 4 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index exhibits notable seasonal fluctuations, peaking during the summer months. From January to February, the UV levels are relatively low, classified as low to moderate, with burn times of 45 minutes and 30 minutes, respectively. March marks the beginning of higher UV exposure, transitioning to very high levels from April to September, with July reaching the maximum UV Index of 10 and a burn time of just 15 minutes. October sees a decrease to a high category with a burn time of 25 minutes, while November and December return to moderate and low categories, respectively. Visitors and residents are advised to take extra precautions during the high-risk months from April through September, including wearing protective clothing, applying broad-spectrum sunscreen, and limiting sun exposure during peak hours to prevent 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 |
| Dachengzi | 2 | 4 | 5 | 8 | 9 | 9 | 10 | 9 | 8 | 6 | 3 | 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 |
| 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 |