Last updated: August 1, 2025
Understanding the UV Index is crucial for residents and visitors in Lingyao, China, where the subtropical Cfa climate brings sunny days and elevated UV exposure, particularly during the summer months. Knowledge of UV levels is essential for sunburn prevention and maintaining long-term skin health, as exposure can lead to serious consequences if not managed properly. With daily peaks reaching as high as 13 around noon, it's vital to stay informed about UV fluctuations throughout the day to protect your skin from harmful rays and enjoy the beautiful outdoors safely.
The UV Index data reveals a striking daily rhythm of sun exposure, peaking dramatically around noon. Starting at a modest 2 at 07:00, the index climbs steadily, crossing 4 by 08:00 and reaching a noteworthy 6 at 09:00. As the sun rises, it hits a staggering 10 at 10:00, culminating in a maximum of 13 by 12:00—a clear indication that this is the moment of highest sun intensity. The index begins to taper off, falling to 10 by 14:00, then declines further to 6 at 15:00 before dropping steadily to 2 by 17:00. As twilight falls, UV levels plummet to 1 by 18:00 and vanish entirely by 19:00. This data serves as a critical reminder to embrace sun safety practices during the peak hours of 10 AM to 2 PM when UV exposure is at its highest.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 6 | high | 25 min |
| 10:00 | 9 | 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 | 3 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
Throughout the year, UV radiation levels demonstrate significant seasonal variation, peaking during the summer months. High-risk months for UV exposure are March through September, where the UV Index consistently falls within the extreme category, necessitating minimal safe exposure times of just 10 minutes. February, October, and November follow with their very high UV Indexes, allowing slightly longer safe exposure of 15 minutes. Visitors and residents are advised to take precautions during these high-risk periods, including wearing protective clothing, applying broad-spectrum sunscreen with a high SPF, and seeking shade during peak sunlight hours, typically between 10 AM and 4 PM. As UV levels drop in January and December, individuals should remain vigilant but can enjoy slightly longer burn times of 25 minutes.
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 |
| Lingyao | 6 | 8 | 11 | 11 | 12 | 13 | 13 | 13 | 11 | 9 | 8 | 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 |