Last updated: July 2, 2025
Understanding the UV Index in Heicheng, China is crucial for protecting your skin and overall health. With exposure levels peaking at 12 around midday, it’s essential to be aware of the potential for sunburn and skin damage. As a region within a Dwb climate zone, Heicheng experiences significant seasonal variations, leading to increased UV radiation, especially during sunny days. Knowing the UV index not only helps in planning outdoor activities but also plays a vital role in promoting skin safety and long-term well-being. Stay informed and take the necessary precautions to enjoy the sun responsibly!
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 | 7 | high | 25 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 12 | 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 | 4 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index exhibits significant seasonal changes, highlighting months of increased sun exposure risk. From January to February, the UV Index rises from a moderate level of 4 to a high level of 6, indicating a shift in sun intensity and a decrease in burn time to 25 minutes. As spring unfolds, March and April see a jump to 8 and 10 (both in the very high category) with burn times of only 15 minutes. The peak months for UV exposure are May through August, where the index remains at an extreme level of 12, and the safe exposure time drops to just 10 minutes. September and October signal a slight reduction, yet still maintain very high indices of 10 and 8, respectively. Conversely, November and December revert to a moderate exposure risk of 5 and 3, allowing for longer burn times of 30 minutes. Given this data, it's crucial for visitors and residents alike to minimize sun exposure during the high-risk months of May through August, and to take protective measures like wearing sunscreen and long clothing during the peak sunlight hours to reduce the risk of 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 |
| Heicheng | 4 | 6 | 8 | 10 | 12 | 12 | 12 | 12 | 10 | 8 | 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 |