Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors in Huashu, China, where the local climate falls under the Dwb category, bringing unique seasonal challenges to sun exposure. With peak UV levels reaching 10 around noon, being aware of these fluctuations is essential for preventing sunburn, protecting skin health, and reducing the risk of long-term skin damage. As you navigate outdoor activities in this picturesque area, knowing when UV levels are at their highest can help ensure a safer and more enjoyable experience under the sun.
In the morning, the UV Index starts off relatively low, peaking at 3 by 7 AM. As the day progresses, it steadily climbs, reaching a notable high of 10 at both 11 AM and 12 PM—this is the time to be cautious! The index then begins to dip and falls back to a moderate level of 4 by 3 PM, before dwindling to 1 by 5 PM, and finally settling at 0 by 7 PM. For those enjoying outdoor activities, it’s essential to stay sun-smart during the mid-day hours when UV radiation is at its peak!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 3 | moderate | 30 min |
| 08:00 | 5 | moderate | 30 min |
| 09:00 | 7 | high | 25 min |
| 10:00 | 9 | very high | 15 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 7 | high | 25 min |
| 15:00 | 4 | moderate | 30 min |
| 16:00 | 2 | low | 45 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 1 | 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 |
| Huashu | 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 |