Last updated: May 3, 2025
Understanding the UV Index in Shi'an, China is crucial for safeguarding your skin and overall health. With the region's Cwa climate, residents and visitors alike face varying UV exposure risks throughout the day, particularly during the peak hours when readings soar to 11. By keeping a close eye on UV levels, you can effectively prevent sunburn and minimize long-term skin damage. As you enjoy the warmth of Shi'an, knowing when to seek shade or apply sunscreen can make all the difference in preserving your skin's health. Stay informed and take proactive steps to protect yourself from harmful ultraviolet rays!
At dawn, the UV Index starts at a gentle 1 and gradually rises as the sun climbs higher in the sky. By 09:00, it reaches a moderate 4, signaling a good time to enjoy some outdoor activities while still being cautious. However, between 11:00 and 13:00, the UV Index peaks dramatically at 10 and 11, marking the hours of highest intensity when sun safety measures are crucial. As the afternoon progresses, it slowly declines to 8 at 15:00, offering a bit of relief before dropping further to 3 by 17:00. As daylight wanes, the UV Index returns to a low 1 by 19:00, making it safe to enjoy the evening outdoors without concern for UV exposure.
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 | 11 | extreme | 10 min |
13:00 | 11 | extreme | 10 min |
14:00 | 10 | very high | 15 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, the UV Index experiences significant fluctuations that highlight the importance of sun safety, particularly during the high-risk months from March to September. During this period, the UV Index reaches its peak, with values of 8 to 12, categorizing exposure levels as very high to extreme. The most critical months are May, June, July, and August, where the burn time drops to just 10 minutes, necessitating vigilant sun protection. As winter approaches, the UV Index decreases to moderate levels in January and December, reflecting a safer environment for outdoor activities. Visitors and residents should be advised to take precautions during peak UV times, including wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade, particularly between 10 a.m. and 4 p.m. to minimize the risk of skin damage.
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 |
Shi'an | 5 | 6 | 8 | 10 | 11 | 12 | 12 | 12 | 11 | 9 | 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 |