Last updated: August 1, 2025
Understanding the UV Index is crucial for residents and visitors in Guojia, China, where the Dwb climate brings distinct seasonal variations and significant sun exposure. As the UV levels can soar to a peak of 12 around midday, being aware of these numbers is vital for preventing sunburn and protecting skin health. High UV exposure can lead to long-term health issues, making it essential to monitor the daily index. With Guojia’s bright sunny days, knowing when to seek shade or apply sunscreen can make all the difference in your outdoor activities and overall well-being.
At sunrise, the UV Index begins its steady climb, starting at a safe 1 at 07:00. As the morning progresses, it escalates to 2 by 08:00 and reaches a pleasant 4 by 09:00. However, the real intensity hits between 10:00 and 13:00, with the UV Index peaking at a scorching 12 at 12:00, indicating a high risk of harm from unprotected sun exposure. As the afternoon unfolds, levels gradually descend, hitting 9 at 15:00 before tapering off to 4 by 17:00. By the evening hours, the index returns to a mild 1 by 19:00, reminding us of the importance of sunscreen amidst the sun's powerful midday rays.
| 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 | 6 | high | 25 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 11 | extreme | 10 min |
| 15:00 | 9 | very high | 15 min |
| 16:00 | 6 | high | 25 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV exposure varies significantly, with peak levels occurring during the warmer months. January starts with a moderate UV Index of 4, allowing for a burn time of 30 minutes. As spring approaches, February sees an increase to a high index of 7 and a reduced burn time of 25 minutes. The sun's intensity peaks from March through September, with April and May experiencing very high to extreme levels, with the UV Index reaching 12 in May and remaining extreme through August, where the burn time plummets to just 10 minutes. October presents a slight dip to a very high level of 8, while November and December return to moderate levels, allowing for longer exposure without harm. Visitors and residents are advised to take extra precautions, especially between March and September, when the UV Index is high or extreme. Wearing protective clothing, using sunscreen, and seeking shade during peak hours can significantly reduce the risk of harmful 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 |
| Guojia | 4 | 7 | 8 | 10 | 12 | 13 | 12 | 12 | 11 | 8 | 5 | 3 |
| 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 |