Last updated: June 2, 2025
In Sanzhuang, China, being aware of the UV Index is crucial for protecting your skin and overall health. During the hottest hours of the day, especially from 10 AM to 2 PM, UV levels can reach a maximum of 10, posing significant risks for sunburn and long-term skin damage. Understanding these daily fluctuations is essential for anyone looking to enjoy the outdoors safely, particularly given Sanzhuang's humid subtropical climate that amplifies sun exposure risks. Stay informed and equip yourself with the knowledge to make smart choices under the sun!
The UV Index for the day showcases a significant rise in solar intensity as the morning progresses. Starting from a mild 2 at 07:00, it escalates to a notable 10 by 11:00, peaking again at 12:00. This midday spike urges sun safety awareness, as the intensity then gradually dips to 9 by 13:00. Post-lunchtime, a swift decline brings it down to 8 at 14:00, followed by a gentle drop to 5 at 15:00. The evening brings a welcome reprieve, where the index slides to 2 by 17:00 and settles at 1 by 19:00. It's a perfect reminder to stay protected during the peak hours, especially between 10:00 and 12:00 when the sun's rays are at their strongest!
| 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 | 9 | 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 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index fluctuates significantly, indicating varying levels of sun exposure risk. From January to February, UV levels are moderate (UV Index 3 to 5), allowing for 30 minutes of burn time without protective measures. As spring approaches in March, the UV Index rises to 7, signifying high exposure risks, with a reduced safe exposure time of 25 minutes. The intensity peaks during the summer months, particularly in July, when the UV Index reaches an extreme level of 11, cutting burn time down to just 10 minutes. May, June, and August also present very high risks, with a UV Index of 10 and a burn time of only 15 minutes. As autumn arrives in September and October, conditions remain very high to high, respectively, offering 15 to 25 minutes of safe exposure time. The year closes out with moderate UV levels again in November and December at indices of 5 and 3, allowing 30 minutes of burn time. Visitors and residents should take precautions during the high-risk months—specifically from March to October—by wearing sunscreen, protective clothing, and sunglasses, and limiting direct sun exposure during peak hours to safeguard against 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 |
| Sanzhuang | 3 | 5 | 7 | 8 | 10 | 10 | 11 | 10 | 8 | 7 | 5 | 3 |
| 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 |