Last updated: June 2, 2025
In Yunshan, China, understanding the UV Index is essential for maintaining optimal skin health and preventing painful sunburns. With high UV levels peaking around noon, awareness of these fluctuations can help residents and visitors protect themselves from harmful ultraviolet radiation. Yunshan's Cwa climate, characterized by warm summers, means that the risk of sun exposure is prevalent throughout much of the year. By keeping an eye on the UV Index and taking appropriate precautions, you can enjoy the outdoors while safeguarding your skin’s health.
The UV Index today presents a fascinating hourly journey, peaking at a robust 10 at 12:00 PM, indicating the strongest sun exposure of the day. As the sun climbs higher, the index rises steadily from a mild 2 at 07:00 to a noteworthy 9 by 11:00. The midday hours command attention with a high of 10, urging caution for those stepping outdoors. Following this zenith, the UV intensity begins to decline, falling back to 5 by 15:00 and tapering off to a gentle 1 by evening, making the late hours more forgiving for outdoor activities. Always stay vigilant with sun safety, especially during those peak hours!
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 | 8 | very high | 15 min |
11:00 | 9 | very high | 15 min |
12:00 | 10 | very high | 15 min |
13:00 | 9 | very high | 15 min |
14:00 | 7 | high | 25 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 |
As the seasons change, so do the UV Index levels, presenting varying risks for sun exposure throughout the year. January and December feature a moderate UV Index of 3, allowing for a burn time of 30 minutes. This gradually increases to 5 in February and November, maintaining the same burn time. From March to October, the index rises significantly, reaching high in March at 7, and peaking at 10 from May to August, indicating very high risk with a burn time of just 15 minutes. September sees a slight decrease to 9, still under the very high classification, while October returns to high at 7, with burn time extending back to 25 minutes. Residents and visitors are strongly advised to take precautions during the months of March through October, particularly between May and August, ensuring they wear sunscreen, protective clothing, and seek shade to minimize harmful UV exposure.
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 |
Yunshan | 3 | 5 | 7 | 8 | 10 | 10 | 10 | 10 | 9 | 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 |