Last updated: June 2, 2025
Understanding the UV Index is crucial for residents of Jianshan, China, where the climate can lead to significant sun exposure throughout the year. With peak UV levels reaching as high as 9 around midday, being aware of UV intensity is essential for sunburn prevention and maintaining overall skin health. As a Dwb climate zone, Jianshan experiences distinct seasonal variations, but the inherent risk of UV radiation remains a concern, especially during the summer months. Stay informed and protect yourself while enjoying the sun!
The UV Index fluctuates throughout the day, peaking at a robust 9 at 11:00 AM, signaling intense sun exposure. The morning starts off with a moderate level at 3 by 7:00 AM, gradually rising to 5 by 8:00 AM and reaching 7 by 9:00 AM. As the sun climbs higher, UV levels soar, hitting 8 at 10:00 AM before maxing out just after noon. As the afternoon progresses, the index comfortably drops to 6 at 2:00 PM, then further declines to 4 by 3:00 PM. The evening brings relief, with values dwindling to 1 by 5:00 PM and 6:00 PM, before finally resting at 0 after 7:00 PM. Always remember to protect your skin during the peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 3 | moderate | 30 min |
| 08:00 | 5 | moderate | 30 min |
| 09:00 | 7 | high | 25 min |
| 10:00 | 8 | very high | 15 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 8 | very high | 15 min |
| 13:00 | 7 | high | 25 min |
| 14:00 | 6 | high | 25 min |
| 15:00 | 4 | moderate | 30 min |
| 16:00 | 2 | low | 45 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
The UV Index in our region exhibits significant seasonal changes, with the highest levels occurring during the summer months. From June to August, the UV Index reaches its peak at 9, indicating a very high exposure category where the burn time is a mere 15 minutes. This makes June, July, and August the high-risk months for UV exposure, requiring extra caution. Conversely, the winter months of December, November, and January have a low UV Index, with burn times extending up to 45 minutes. To protect yourself, especially during high-risk months, it's advisable to wear sunscreen, protective clothing, and seek shade during peak hours. This way, both residents and visitors can enjoy outdoor activities while minimizing the risk of skin damage.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jianshan | 2 | 3 | 4 | 6 | 7 | 9 | 9 | 8 | 7 | 4 | 2 | 1 |
| 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 |