Last updated: June 2, 2025
In Yunnanyi, China, being aware of the UV Index is crucial for protecting your skin from harmful ultraviolet rays. Understanding UV levels aids in sunburn prevention and long-term skin health, allowing residents and visitors to make informed decisions about outdoor activities. With a Cwb climate that brings both sunny days and higher UV exposure, especially between 10 AM and 2 PM, awareness of UV intensity can help everyone enjoy the outdoors safely while minimizing the risk of skin damage. Stay informed and safeguard your skin against the peak UV levels that can reach a concerning 14 during the midday hours!
The UVI hourly data for the day presents a striking progression of sunlight intensity. Starting at 07:00, the UV Index is a mild 1, but as the sun rises, it steadily climbs to reach 4 by 09:00. The peak intensity is observed during midday, with a maximum index of 14 recorded between 13:00 and 14:00. This is the time to exercise caution, as the UV Index drops to 11 by 15:00, and then gradually decreases once more until the evening, settling back at 1 by 19:00. This data highlights the importance of protecting your skin during the midday hours when UV exposure is at its highest. Stay protected!
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 | 13 | extreme | 10 min |
13:00 | 14 | extreme | 10 min |
14:00 | 14 | extreme | 10 min |
15:00 | 11 | extreme | 10 min |
16:00 | 8 | very high | 15 min |
17:00 | 5 | moderate | 30 min |
18:00 | 2 | low | 45 min |
19:00 | 1 | low | 45 min |
The UV Index displays significant seasonal changes, peaking during spring and summer months. From March through October, the UV Index reaches extreme levels, particularly in May through August, where it consistently remains at 15. The highest risk months are March to August, with a notably brief burn time of just 10 minutes in this period. Conversely, January and February also pose risks with very high UV Index values of 8 and 9, allowing for slightly longer burn times of 15 minutes. As such, it is essential for visitors and residents to take precautions during these peak months, including seeking shade, wearing protective clothing, and applying sunscreen to reduce the risk of skin damage. In contrast, November and December offer some respite with lower indices, yet caution is still advised, especially in November with a UV index of 9.
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 |
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 |
Yunnanyi | 8 | 9 | 12 | 13 | 15 | 14 | 15 | 15 | 14 | 12 | 9 | 7 |