Last updated: July 2, 2025
Understanding the UV Index is crucial for residents of Gaozi, China, where the subtropical Cfa climate brings ample sunshine year-round. With UV levels peaking at 11 around noon, awareness of daily UV variations is essential to safeguard against sunburn and long-term skin health complications. By staying informed about UV exposure risks—which can lead to serious health issues if neglected—you can enjoy the outdoors while protecting your skin effectively. Knowing when to seek shade or apply sunscreen can make all the difference in enjoying the vibrant climate of Gaozi while prioritizing your well-being.
As the day unfolds, the UV Index begins its ascent, signaling the need for sun protection. Starting at a mild 2 at 07:00, it climbs steadily, reaching 3 by 08:00. The real intensity kicks in by 09:00, peaking at a striking 11 by noon. This is the moment when overexposure can become a concern, urging everyone to slather on that sunscreen. For the rest of the afternoon, the UV Index remains high until 15:00, when it gradually declines, settling back to a safe 2 by 17:00. As daylight wanes, the risks diminish with the index dropping to a mere 1 by 19:00. It’s a vivid reminder of the sun's power—choose your outdoor activities wisely!
| 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 | 10 | very high | 15 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 10 | 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 |
As the seasons change, so does the UV Index, which indicates the strength of ultraviolet radiation. January and December feature moderate UV levels (index 4), allowing for longer exposure times of 30 minutes before burning. However, as early as February, the index rises to 6, marking the start of higher risk for skin damage with a burn time of just 25 minutes. The peak risk months occur mid-year, from June to August, when the index reaches an extreme level of 11, necessitating protective measures with a burn time of only 10 minutes. As fall approaches, September and October see a decline, though the UV Index remains very high (index 10 and 8 respectively), with 15 minutes of safe exposure. Residents and visitors should take precautions, especially during high-risk months, by seeking shade, wearing UV-blocking clothing, and applying sunscreen to minimize 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 |
| Gaozi | 4 | 6 | 8 | 10 | 10 | 11 | 11 | 11 | 10 | 8 | 5 | 4 |
| 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 |