Last updated: May 3, 2025
Understanding the UV Index in Shengshan, China is essential for everyone who enjoys the outdoors in this picturesque locale. With peak UV levels reaching as high as 11 during midday, awareness of UV radiation is crucial for sunburn prevention and maintaining overall skin health. Shengshan's Cfa climate offers a mild environment, but it doesn't lessen the risk posed by strong sun exposure. By staying informed about local UV levels, residents and visitors can take the necessary precautions to protect themselves from harmful effects while enjoying the stunning landscapes this island has to offer.
The UV Index throughout the day presents a dynamic picture of sun exposure. As early as 7:00 AM, the index starts at a mild 2, ramping up to a moderate 4 by 8:00 AM. The sun's intensity peaks around 11:00 AM and 12:00 PM with a striking 11, marking the height of caution for outdoor activities. As we move into the afternoon, the index gradually declines, dropping to 8 by 2:00 PM and further to 5 by 3:00 PM. The evening brings relief, with the UV Index decreasing to a 1 by 5:00 PM and finally hitting 0 by 7:00 PM. It’s clear that the midday hours pose the greatest risk, so sun safety measures are essential during those peak times.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 4 | moderate | 30 min |
| 09:00 | 7 | high | 25 min |
| 10:00 | 9 | very high | 15 min |
| 11:00 | 11 | extreme | 10 min |
| 12:00 | 11 | extreme | 10 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 |
Throughout the year, UV Index levels exhibit significant seasonal variation, impacting sun exposure risk for residents and visitors. January starts with a moderate Index of 5, leading to a 30-minute burn time, but as we move into February, the Index climbs to 6, categorized as high with a 25-minute burn time. March and April bring very high levels (8 and 10, respectively), drastically reducing burn times to 15 minutes. The peak of UV exposure occurs in the summer months, with May, June, and July maintaining an extreme Index of 11-12, necessitating a cautious 10-minute limit to avoid burns. August sees a slight decline, still within the extreme category, before gradually tapering off in September and October, where the Index returns to very high levels. November allows a brief reprieve with a high Index of 6, while December concludes the year with a moderate Index of 4 and a more manageable 30-minute burn time. Visitors and residents should remain vigilant, particularly during the high-risk months of March through September, taking necessary precautions such as wearing sunscreen and protective clothing to guard against overexposure.
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 |
| Shengshan | 5 | 6 | 8 | 10 | 11 | 12 | 12 | 11 | 10 | 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 |