Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors of Yezhi, China, as it provides essential insights into the strength of the sun’s ultraviolet radiation. High UV levels can lead to quick sunburns and long-term skin damage, making it vital to stay informed for the sake of skin health. With Yezhi's Cwb climate, characterized by varying weather patterns, the UV exposure can significantly fluctuate throughout the day. Notably, peak UV levels reach a staggering 15 around midday, underscoring the importance of sun protection during these hours to safeguard against harmful effects. Stay aware and protect your skin!
As the sun rises, the UV Index begins its ascent, starting at a mild 1 at 07:00. By 09:00, it reaches 4, signaling a gentle increase in sun intensity. The real heat kicks in at 10:00, with a significant leap to 7, and by 11:00, it peaks at 11—a reminder to seek shade or wear protection. The index continues its climb, hitting a soaring 14 at 12:00 and maxing out at 15 by 13:00, where it remains steady through 14:00. As the afternoon fades, the UV Index gracefully declines, slipping to 13 by 15:00, and then gradually dropping to 5 by 17:00. As evening approaches, it softens to a gentle 3 at 18:00, finally returning to 1 by 19:00. Stay safe and engaged with the sun’s rhythms!
| 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 | 13 | extreme | 10 min |
| 16:00 | 9 | very high | 15 min |
| 17:00 | 5 | moderate | 30 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index exhibits significant seasonal variations, peaking during the warmer months. From January to April, UV levels transition from very high (9) to extreme (16), with March to July being particularly critical months where 10 minutes of unprotected exposure can lead to burns. May and July maintain a high UV Index of 15-16, while August and September slightly decline but still present extreme levels. October sees a reduction to an index of 12, yet caution is still warranted. As winter approaches, November and December see a dip to very high (9) and high (7) exposure categories, respectively, allowing for a longer burn time of 15-25 minutes. Visitors and residents are advised to take precautions from February through October, particularly during peak hours, by wearing sunscreen, protective clothing, and sunglasses to safeguard against harmful UV rays.
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 |
| Yezhi | 9 | 11 | 13 | 16 | 15 | 15 | 16 | 15 | 14 | 12 | 9 | 7 |