Last updated: May 3, 2025
Understanding the UV Index is essential for the residents and visitors of Huashan, China, where the region’s climate presents unique sun exposure risks. As this beautiful locale enjoys a Cwa climate, its sunny days can lead to rapidly rising UV levels, particularly reaching a peak UV Index of 10 around noon. Being aware of these levels is crucial for preventing sunburn and protecting skin health, allowing everyone to enjoy outdoor activities while safeguarding against harmful UV rays. By keeping a close eye on the UV Index, you can better prepare for safe sun exposure, ensuring your adventures in Huashan are both enjoyable and responsible.
Throughout the day, the UV Index fluctuated, peaking sharply at 12:00 PM with a maximum value of 10, signaling the most intense sun exposure during midday. As the sun rose, 07:00 AM recorded a mild index of 2, gradually escalating to a moderate 5 by 09:00 AM. The intensity surged to a notable 8 at 10:00 AM, before reaching its zenith at 11:00 AM with 9. Following the peak hour, the index began its descent, dropping to 9 at 1:00 PM and then gradually declining to 7 at 2:00 PM. By late afternoon, the level continued to diminish, landing at 5 by 3:00 PM, and winding down to 2 by 5:00 PM. As evening approached, the UV exposure significantly lessened, tapering off to a mere 1 by 7:00 PM. This data highlights the importance of sun protection during peak hours, particularly between 10:00 AM and 2:00 PM.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 5 | moderate | 30 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 | 7 | high | 25 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 exposure varies significantly, with the highest risk occurring during the summer months of May through August, when the UV Index peaks at 10 and falls under the very high exposure category. During this time, the burn time is reduced to just 15 minutes, necessitating extra precautions for visitors and residents. As spring approaches, the UV Index begins to climb from 3 in January to 8 in April, marking the start of increasing risk, particularly in March when it reaches 7. As we move into fall, the UV Index gradually decreases, though September still poses a very high risk at 8, before tapering off to moderate levels in the winter months. It's essential for everyone to remain vigilant about sun safety, particularly from March to September, wearing protective clothing, applying sunscreen, and seeking shade during peak hours to minimize the risk of sunburn and long-term skin damage.
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 |
| Huashan | 3 | 5 | 7 | 8 | 10 | 10 | 10 | 10 | 8 | 7 | 5 | 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 |