Last updated: May 3, 2025
Understanding the UV Index in Jiantang, China is crucial for protecting your skin and overall health. With its Cwc climate, residents and visitors alike face unique UV exposure risks, particularly during peak sun hours where the index can soar to 15. By staying informed about UV levels, you can effectively prevent sunburn and long-term skin damage, ensuring safe and enjoyable outdoor experiences. As the sun climbs, awareness of these levels becomes essential, especially between 10:00 AM and 2:00 PM, when UV intensity is at its highest. Keep yourself and your loved ones safe by knowing the UV Index before heading out!
As the sun rises, the UV Index begins its ascent, starting at a gentle 1 at 7:00 AM. By 9:00 AM, it ramps up to 4, marking the day’s engagement with UV rays. The real intensity hits by 11:00 AM, soaring to a peak of 11, and surging further to an almost blistering 14 by midday. The afternoon sees the index hit its highest at 15 from 1:00 PM to 2:00 PM, reminding us to seek shade and protect our skin. As the sun begins to retreat, the UV Index gracefully descends, dropping to 12 at 3:00 PM, and easing down to 5 by 5:00 PM. Finally, as the evening draws near, it wanes back to 1 by 7:00 PM, providing a gentle reminder of the day's solar journey. Remember, while enjoying the sunshine, staying sun-safe is key!
| 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 | 11 | extreme | 10 min |
| 12:00 | 14 | extreme | 10 min |
| 13:00 | 15 | extreme | 10 min |
| 14:00 | 15 | extreme | 10 min |
| 15:00 | 12 | extreme | 10 min |
| 16:00 | 8 | very high | 15 min |
| 17:00 | 5 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
The seasonal UV index reveals notable fluctuations throughout the year, with peak levels occurring from March to October, where the index remains consistently in the extreme category (11-16) and requires a burn time of just 10 minutes for fair-skinned individuals. January and November present very high exposure levels, while December offers a high level with a burn time of 25 minutes. The high-risk months for UV exposure are therefore from February to October, particularly from April to August, when protective measures are essential. Visitors and residents are advised to take adequate precautions, such as using sunscreen, wearing protective clothing, and seeking shade during peak sun hours to minimize skin damage and ensure safety during these high-risk periods.
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 |
| Shenzhen UVI | 7 | 10 | 12 | 12 | 14 | 13 | 13 | 13 | 12 | 11 | 9 | 7 |
| Jiantang | 9 | 11 | 13 | 16 | 15 | 16 | 16 | 15 | 15 | 12 | 9 | 7 |