Last updated: June 2, 2025
Understanding the UV Index in Zhenghu, China is essential for protecting your skin and overall health. With peak UV levels often reaching a staggering 12 during midday hours, residents and visitors alike should be aware of the potential for sunburn and long-term skin damage. Zhenghu’s Cfa climate brings warm, humid summers that amplify ultraviolet exposure risks, making it crucial to educate yourself about daily UV levels. By monitoring the UV Index, you can take proactive steps to enjoy the sun safely—whether it’s applying sunscreen, wearing protective clothing, or seeking shade during peak hours. Stay informed and cherish your skin’s health!
As the sun rises, the UV Index starts low at 2 by 7:00 AM, but it quickly escalates, peaking at a striking 12 from 11:00 AM to 1:00 PM. This midday intensity underscores the importance of sun protection during these hours. By 10:00 AM, it hits 10, and the heat is palpable. The afternoon witnesses a gradual decline, with the index dropping to 9 by 2:00 PM, further tapering to 6 at 3:00 PM. As the day winds down, the UV Index falls sharply, reaching 2 by 5:00 PM and then plummeting to 0 by 7:00 PM. This data highlights the critical hours for sun exposure, encouraging everyone to take protective measures when the UV Index is at its highest.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 4 | moderate | 30 min |
| 09:00 | 7 | high | 25 min |
| 10:00 | 10 | very high | 15 min |
| 11:00 | 12 | extreme | 10 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 6 | high | 25 min |
| 16:00 | 4 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
Throughout the year, the UV Index demonstrates significant seasonal variation, with high-risk months typically falling between February and September. During these months, the UV Index reaches its peak, particularly in May, July, and August, where it hits an extreme level of 13. This indicates a burn time of just 10 minutes, necessitating vigilant sun protection for both visitors and residents. January and December show moderate risk with a UV Index of 6, allowing for longer safe exposure times of 25 minutes. From October to November, the UV Index decreases to 8-9, maintaining a very high classification with 15 minutes of burn time. It is crucial for everyone to take precautions during the high UV months by wearing sunscreen, protective clothing, and limiting sun exposure during peak hours to avoid harmful effects.
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 |
| Zhenghu | 6 | 9 | 11 | 11 | 13 | 12 | 13 | 13 | 11 | 9 | 8 | 6 |
| 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 |