Last updated: July 2, 2025
In Dongshan, China, being aware of the UV Index is crucial for protecting your skin from harmful sun exposure. Understanding UV levels not only helps prevent painful sunburns but also plays a significant role in maintaining long-term skin health. With a Cfa climate characterized by warm summers, residents and visitors alike should be particularly vigilant during peak sun hours, especially around midday when the UV Index can soar to 12—a level that poses serious risk. Stay informed to enjoy the sun safely while soaking up all the beauty that Dongshan has to offer!
At sunrise, the UV Index starts modestly at 2 around 07:00, but as the sun climbs higher, it rapidly intensifies. By 10:00, it peaks at an impressive 9, with a maximum of 12 reached at noon. This high UV index indicates a critical time for sun protection, as the levels moderate slightly in the afternoon. At 13:00, it remains robust at 11, tapering down to 6 by 15:00, before declining further to 4 at 16:00. As evening approaches, the UV Index drops to a minimal 1 by 18:00, finally settling at 0 by 19:00. This data reflects the importance of sunscreen and protective measures, especially during the peak hours of 10:00 to 14:00 when exposure is most harmful.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 6 | high | 25 min |
| 10:00 | 9 | 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 | 6 | 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 |
As the seasons change, so do the UV levels, significantly impacting sun safety for residents and visitors. From January to February, the UV Index ranges from 6 to 7, classified as high, with a burn time of 25 minutes. The UV Index escalates dramatically in March and April, reaching 10 (very high) with a reduced burn time of 15 minutes. May through August sees an extreme peak of 12, necessitating only 10 minutes of exposure before burns occur. Even in September, the UV Index remains high at 11, though slightly less intense. As October rolls in, conditions are still very high with an index of 8, allowing for 15 minutes of sun exposure, while November and December lower to 7 and 5 respectively, offering moderate protection with burn times of 25 and 30 minutes. Visitors and residents are strongly advised to take precautions, especially during the high-risk months from March to September, such as wearing sunscreen, protective clothing, and seeking shade during peak hours 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 |
| 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 |
| Dongshan | 6 | 7 | 10 | 10 | 12 | 12 | 12 | 12 | 11 | 8 | 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 |