Last updated: July 2, 2025
Understanding the UV Index in Huaidian, China is crucial for protecting your skin and maintaining overall health. With UV levels peaking at a significant 10 during midday, awareness of these fluctuations can help prevent painful sunburns and long-term skin damage. Huaidian experiences a Cwa climate, marked by distinct seasons, but its sunny days introduce increased exposure risks. By keeping an eye on the UV Index, residents and visitors can take proactive steps to shield themselves from harmful rays and enjoy the outdoors safely.
As the day begins at 07:00 with a low UV Index of 1, the sun gradually gains strength. By 08:00, it rises to 3, prompting a hint of caution for early risers. 09:00 brings a noticeable jump to 5, while 10:00 reaches a robust 8. The sun peaks at 11:00 and 12:00, maintaining a high UV Index of 10, indicating that sun protection is essential during these hours. Even the early afternoon sees this intensity sustain at 10 until 13:00. As the day progresses, the UV Index slips to 8 by 14:00 and continues to decline to 6 at 15:00. In the late afternoon and evening, the UV levels gently taper off, dropping to 4 at 16:00, and finally resting at 2 by 17:00, before settling back to a safe 1 by 18:00 and 19:00. Be mindful to shield yourself during the peak hours to enjoy the sun safely!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 8 | very high | 15 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 8 | 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 | 1 | low | 45 min |
Throughout the year, the UV Index demonstrates significant seasonal variation, particularly rising in the spring and summer months. Notably, March marks the transition into the high-risk category, with a UV Index of 7 (burn time: 25 min), which continues to escalate through April (UV Index 8, burn time: 15 min) and peaks in August at an extreme level of 11, where the burn time is just 10 minutes. The months of May through August are characterized by very high to extreme UV levels, making them critical for sun safety. Residents and visitors are advised to take preventative measures during these months, including wearing sunscreen, protective clothing, and seeking shade, especially between 10 a.m. and 4 p.m. In contrast, December and January reflect the lowest UV exposure, ranking as moderate, allowing for safer outdoor activities. Staying informed on these seasonal changes is essential for protecting skin health year-round.
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 |
| Huaidian | 4 | 5 | 7 | 8 | 10 | 10 | 10 | 11 | 9 | 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 |