Last updated: May 3, 2025
In Jianghu, China, being aware of the UV Index is crucial for maintaining skin health and preventing sunburn. With UV levels peaking at a staggering 13 around midday, understanding these fluctuations can help residents and visitors protect themselves from harmful radiation. The Cwa climate of Jianghu brings warm summers with intense sunlight, increasing the risk of overexposure. Awareness of UV levels not only aids in sun protection but also cultivates a healthier environment for outdoor activities. Stay informed and enjoy the sun safely!
The UV Index reveals a dynamic range throughout the day, peaking sharply around noon. Starting from a mild 1 at 7:00 AM, the intensity escalates rapidly, reaching a moderate 5 by 9:00 AM. As the sun climbs higher, the index skyrockets to an intense 13 by 12:00 PM, maintaining this level until 1:00 PM. A gradual decline follows, with the index dropping to 11 at 2:00 PM and then tapering off to 8 at 3:00 PM. By the late afternoon and into the evening, the UV levels sink back to a safe 2 at 5:00 PM, culminating in a gentle return to 1 by 6:00 PM. It’s a day in which sun safety is paramount during the peak hours, particularly between 11:00 AM and 1:00 PM.
| 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 | 12 | 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, the UV Index exhibits significant seasonal variations, highlighting the importance of sun safety for both visitors and residents. From January to April, the UV levels gradually increase, with February reaching a very high index of 10 and transitioning to extreme levels by March. May through August sees the peak UV exposure, where the index remains consistently at 13 to 14 (extreme), demanding caution with a burn time of only 10 minutes. September begins a slight decrease but maintains an extreme classification at 12, while October stays high at 11 before dropping to a very high index of 9 in November. The year closes with December returning to a high index of 7. **Visitors and residents are advised to take protective measures, especially from February through October, and to minimize sun exposure during peak hours, wearing appropriate clothing, sunscreen, and sunglasses to safeguard against harmful UV radiation.
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 |
| Jianghu | 7 | 10 | 12 | 12 | 13 | 13 | 13 | 14 | 12 | 11 | 9 | 7 |