Last updated: July 2, 2025
In Tongmen, China, awareness of the UV Index is crucial for safeguarding your skin and overall health. With UV levels reaching a peak of 13 during midday, understanding these fluctuations can help you effectively prevent sunburn and protect against long-term skin damage. The humid subtropical climate of Tongmen contributes to heightened UV exposure, especially in the summer months. By staying informed about the UV Index, you can make smarter decisions about sun protection, ensuring that your outdoor activities remain enjoyable and safe.
The UV Index during the day reveals a notable peak in sun exposure. Starting at 07:00 with a gentle 1, it gradually climbs to 2 by 08:00. As the sun rises higher, the index surges dramatically, hitting 5 at 09:00, and reaching a striking 8 by 10:00. The intensity peaks at 12:00 with a scorching 13, remaining high until 13:00. After that, it starts to decline, returning to 11 at 14:00 and falling to 8 by 15:00. As the afternoon wanes, the index drops to 5 at 16:00, and finally settles back to 1 by 18:00 and 19:00. This data highlights the importance of sun safety measures during the midday hours when UV exposure is at its highest.
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 2 | low | 45 min |
09:00 | 5 | moderate | 30 min |
10:00 | 8 | very high | 15 min |
11:00 | 11 | extreme | 10 min |
12:00 | 13 | extreme | 10 min |
13:00 | 13 | extreme | 10 min |
14:00 | 11 | extreme | 10 min |
15:00 | 8 | very high | 15 min |
16:00 | 5 | 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 levels experience significant fluctuations, peaking in the late spring and summer months. January starts with a high UV Index of 7, indicating 25 minutes of burn time, but by February, it escalates to 9 and then reaches an extreme level of 12 as early as March, continuing through April and May, where it peaks at 13. High-risk months include March to August, where the UV Index remains in the extreme range, necessitating precautions like seeking shade, wearing protective clothing, and using sunscreen throughout the day. As the year progresses into October and November, UV levels moderately decline to 10 and 8, respectively, still categorized as very high. Residents and visitors are strongly advised to stay vigilant during these peak months to reduce the risk of UV-related health issues.
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 |
Guangzhou UVI | 7 | 9 | 11 | 12 | 13 | 13 | 13 | 12 | 11 | 10 | 9 | 7 |
Tongmen | 7 | 9 | 12 | 12 | 13 | 12 | 13 | 13 | 11 | 10 | 8 | 7 |
Shenzhen UVI | 7 | 10 | 12 | 12 | 14 | 13 | 13 | 13 | 12 | 11 | 9 | 7 |