Last updated: June 2, 2025
Understanding the UV Index in Hexi, China is crucial for both residents and visitors who want to protect their skin from harmful UV radiation. With peak UV levels reaching 13 around midday, being aware of these levels is essential for preventing sunburn and maintaining long-term skin health. Hexi's Cfa climate contributes to these heightened UV exposure risks, especially during the warmer months, making it all the more important to stay informed. By keeping an eye on the UV Index, you can enjoy the sun safely while reducing the potential for skin damage.
The UV Index shows a dynamic progression throughout the day, starting from a mild 2 at 07:00 and climbing steadily to a peak of 13 by 12:00. As the sun reaches its zenith, the index reflects the intensity of ultraviolet rays, hitting 12 at 13:00 before gradually declining. By the afternoon, it slips down to 6 at 15:00, then diminishes further to 2 at 17:00 and finally to a mere 0 as twilight descends at 19:00. It's clear that the highest risk for sun exposure occurs midday, making it essential to protect your skin during those peak hours!
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 2 | low | 45 min |
08:00 | 4 | moderate | 30 min |
09:00 | 7 | high | 25 min |
10:00 | 10 | very high | 15 min |
11:00 | 12 | extreme | 10 min |
12:00 | 13 | extreme | 10 min |
13:00 | 12 | extreme | 10 min |
14:00 | 9 | very high | 15 min |
15:00 | 6 | high | 25 min |
16:00 | 4 | moderate | 30 min |
17:00 | 2 | low | 45 min |
18:00 | 1 | low | 45 min |
19:00 | 0 | low | 45 min |
Throughout the year, the UV Index exhibits significant seasonal variations, reaching its highest levels during the late spring and summer months. From February to September, the UV Index ranges from 8 to 13, categorized as very high to extreme, indicating a strong risk of harm from unprotected sun exposure. March, April, May, June, July, August, and September are particularly critical months, with a consistent burn time of just 10 minutes under these extreme conditions. Conversely, January, November, and December feature a lower UV Index of 6 or 7, categorized as high, with extended burn times of 25 minutes. Visitors and residents are advised to take precautions during high-risk months—such as wearing protective clothing, applying sunscreen diligently, and seeking shade—to mitigate the risks associated with intense 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 |
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 |
Hexi | 6 | 8 | 11 | 11 | 13 | 13 | 13 | 13 | 12 | 9 | 7 | 6 |
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 |