Last updated: July 2, 2025
Being aware of the UV Index is crucial for residents and visitors of Yishan, China, where the vibrant climate can lead to significant sun exposure. Understanding the levels of UV radiation not only helps prevent painful sunburns but also plays a vital role in maintaining your skin health over time. With a Cwa climate, Yishan typically experiences higher UV exposure, particularly between 10 AM and 2 PM when the index peaks at 10. By staying informed about the UV Index, you can enjoy the sunny days while taking necessary precautions to protect your skin.
The UV Index for the day reveals an early climb towards peak intensity, starting at 2 at 07:00 and surging to a maximum of 10 between 11:00 and 13:00. This midday period, marked by the highest levels, signals a critical time for sun protection. As the afternoon progresses, the index will drop, falling to 8 at 14:00, and then gracefully tapering off to 5 by 15:00. After that, protective measures can relax as the UV Index declines further, reaching 3 by 16:00, and settling down to 1 as the evening sets in, providing a gentle reminder of the sun’s waning power. Remember, to enjoy the sun safely during its peak hours!
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 | 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 | 2 | low | 45 min |
18:00 | 1 | low | 45 min |
19:00 | 1 | low | 45 min |
As the seasons change, so do the patterns of UV exposure, with significant increases typically observed from March through September. The high-risk months for UV exposure are April through September, when the UV Index often reaches very high to extreme levels, particularly peaking in June at an Index of 11. Residents and visitors should be particularly cautious during these months, as the potential for skin damage increases dramatically; burn times can drop to as little as 10 minutes in June. To protect yourself, it's recommended to apply sunscreen regularly, wear protective clothing, and seek shade during peak sun hours. From October to February, the UV levels decrease significantly, with burn times extending back to 30 minutes in January and November, making outdoor activities safer, but still requiring some level of UV protection during sunny days.
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 |
Yishan | 4 | 5 | 7 | 8 | 10 | 11 | 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 |