Last updated: October 4, 2025
Understanding the UV Index in Naozhi, China is crucial for maintaining skin health and preventing sunburn. With the region's Dwb climate, residents and visitors experience significant UV exposure, especially during the peak hours from 10:00 AM to 2:00 PM when levels can soar to a maximum of 11. Being aware of these UV levels enables you to take necessary precautions, such as seeking shade or using sunscreen, to protect your skin from harmful effects. Knowledge of the UV Index empowers you to enjoy the sun safely while minimizing your risk of skin damage.
Throughout the day, the UV Index experiences a dynamic shift, peaking at 11 around 11:00 AM, reaching its most critical level. Early risers can expect a moderate level of 3 at 07:00 AM, which quickly escalates to 5 by 08:00 AM and hits 7 by 09:00 AM. As the sun climbs higher, the intensity escalates, showcasing a significant jump to 9 at 10:00 AM before reaching its zenith. After noon, there is a gradual decline: the index dips to 10 at 12:00 PM, then falls back to 9 at 1:00 PM, and continues to decrease, landing at 5 by 3:00 PM. Later, the UV levels diminish to 1 by 5:00 PM, and finally drop to 0 by 7:00 PM. It’s essential for outdoor adventurers to stay protected during the peak hours!
| 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 | 5 | moderate | 30 min |
| 11:00 | 6 | high | 25 min |
| 12:00 | 5 | moderate | 30 min |
| 13:00 | 4 | moderate | 30 min |
| 14:00 | 3 | moderate | 30 min |
| 15:00 | 2 | low | 45 min |
| 16:00 | 1 | low | 45 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 0 | low | 45 min |
| 19:00 | 0 | low | 45 min |
The UV Index experiences significant seasonal variations, peaking in the summer months and dropping during winter. From January to February, the UV Index remains at a moderate level (3-4), allowing for a burn time of 30 minutes. As spring approaches in March, the index rises to 7, categorizing it as high, with a reduced burn time of 25 minutes. The most critical months emerge from April to July, where the UV Index reaches 8 to 11, categorized as very high to extreme, resulting in a burn time as short as 10 minutes in July. August to September maintains this high-risk status with the index dropping slightly to 8, but still with a 15-minute burn time. In October, the risk decreases to a high level (6) with a burn time of 25 minutes, while November and December see a return to moderate and low exposure categories (3 and 2, respectively), allowing for longer burn times at 30 to 45 minutes. Visitors and residents are advised to take extra precautions during the high-risk months from April to September, such as wearing sunscreen, protective clothing, and seeking shade, especially during peak hours.
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 |
| Naozhi | 3 | 4 | 7 | 8 | 9 | 10 | 11 | 10 | 8 | 6 | 3 | 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 |