Last updated: August 1, 2025
Understanding the UV Index in Yunwu, China is crucial for anyone who enjoys the outdoors or is concerned about skin health. With the potential for high UV levels, particularly during the midday hours, being aware of these fluctuations can help prevent sunburn and long-term skin damage. The region's Cwa climate typically warms up significantly, leading to increased UV exposure from late morning through early afternoon, where indexes can soar to 13. By keeping an eye on the UV Index, residents and visitors can take proactive measures to protect their skin and enjoy the beautiful sunny days that Yunwu has to offer.
The UV Index today showcases a dramatic rise in solar intensity as the day progresses. Starting gently at 1 at 07:00, it climbs steadily, reaching 2 by 08:00. The real peak occurs between 11:00 and 13:00, where it soars to a blistering 13—indicative of heightened sun exposure risk. Post noontime, the index begins to taper off, with values descending to 9 at 15:00 and further down to 3 by 17:00. As evening approaches, the UV Index drops back to 1 by 18:00 and remains there until 19:00. For outdoor enthusiasts, it's essential to keep in mind the midday hours for optimal sun safety!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 7 | high | 25 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 11 | extreme | 10 min |
| 15:00 | 8 | very high | 15 min |
| 16:00 | 5 | moderate | 30 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV Index readings display notable seasonal changes, with significant peaks during the summer months. January and February see high UV levels (6 and 7 respectively), where a burn can occur in as little as 25 minutes. This escalates in March with a very high index of 10 and a reduced burn time of 15 minutes. The UV levels reach their peak in April and May, categorized as extreme with indexes of 11 and 12, demanding diligent sun protection as burn times drop to just 10 minutes. The extreme UV exposure persists through June and July, followed by August and September, both maintaining a 12 rating. In October, the index decreases to 9 (very high), allowing a slightly longer burn time of 15 minutes, while November and December return to high and moderate levels respectively. Visitors and residents should exercise caution during the peak months from April to September, employing protective measures such as sunscreen, hats, and shade to minimize UV exposure risks.
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 |
| Yunwu | 6 | 7 | 10 | 11 | 12 | 13 | 13 | 12 | 12 | 9 | 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 |