Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors of Huanglou, China, where the climate can elevate sun exposure risks significantly. With UV levels peaking at 10 around midday, being aware of these metrics is essential for preventing sunburn and promoting skin health. In this Cwa climate zone, the blend of humidity and sunshine can amplify UV radiation, making it imperative to take protective measures during high-risk hours, especially between 10 AM and 2 PM. Stay informed to enjoy the outdoors safely while safeguarding your skin!
The UV Index reveals an enlightening story of the sun's intensity throughout the day. Starting at a mild level of 2 at 07:00, it gradually escalates, reaching a moderate 3 by 08:00. The sun finds its strength as 09:00 brings a robust 6, soon skyrocketing to a peak of 10 by noon. This midday zenith of UV radiation is a call for caution, as the index then hovers around 9 at 13:00 and 8 through 14:00, only to gracefully descend in the afternoon. By 15:00, it drops to 5, easing further to 3 by 16:00, and finally, the day winds down with gentle readings of 2 at 17:00 and 1 by 18:00 and 19:00. Protective measures during the peak hours are essential, allowing sun enthusiasts to enjoy the bright day safely!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 6 | high | 25 min |
| 10:00 | 8 | very high | 15 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 5 | moderate | 30 min |
| 16:00 | 3 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV Index levels fluctuate significantly, with the highest values occurring during the summer months. March marks the transition into high UV exposure with an index of 6, while April to August sees a peak UV Index ranging from 8 to 10, placing these months in the very high category and reducing safe burn time to just 15 minutes. July and August represent the highest risk months, with UV Index values reaching a dangerous 10. As summer wanes, September and October still pose a threat with 8 and 7 respectively, indicating a need for caution. Conversely, January, February, November, and December have a moderate UV Index around 3 to 4, allowing for longer burn times of 30 minutes. Visitors and residents should remain vigilant, especially from March to October, and take appropriate sun protection measures during these high-risk months.
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 |
| Huanglou | 3 | 4 | 6 | 8 | 9 | 9 | 10 | 10 | 8 | 7 | 4 | 3 |
| 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 |