Last updated: June 2, 2025
Understanding the UV Index is crucial for residents of Zhichu, China, as it directly impacts sun safety and skin health. The UV Index serves as a vital guide to help you gauge the risk of harmful solar radiation, enabling you to take proactive measures against sunburn and long-term skin damage. With Zhichu’s Cwa climate, characterized by hot summers and a significant amount of sunshine, the potential for high UV exposure—peaking at a critical level of 10 around midday—highlights the need for vigilance. Being aware of daily UV levels allows you to enjoy the outdoors safely while protecting your skin from the sun’s rays.
The UV Index data reveals a dynamic sun journey throughout the day. Starting with a gentle warmth at 07:00 (UV Index 2), the intensity gradually climbs to peaking at 12:00 with a maximum of 10, indicating very high UV exposure—perfect for seeking shade or slathering on sunscreen! As the afternoon wears on, the index begins to dip, dropping to 7 by 14:00 and continuing to fade into the evening with readings of 5 at 15:00, 3 at 16:00, and tapering off to 1 by 18:00 and 19:00. This data beautifully illustrates the sun's powerful influence during midday, underscoring the importance of sun protection during those peak hours.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 4 | moderate | 30 min |
| 09:00 | 6 | high | 25 min |
| 10:00 | 8 | very high | 15 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 7 | high | 25 min |
| 15:00 | 5 | moderate | 30 min |
| 16:00 | 3 | 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 displays significant seasonal variations, peaking during the summer months. From January to February, the UV Index remains moderate (3-4), allowing for approximately 30 minutes of safe sun exposure. As we enter March, the risk escalates to high (6), reducing safe burn time to 25 minutes. The months of April through July experience very high (8-10) UV levels, with burn times decreasing to just 15 minutes. Notably, August sees the highest UV Index at 11, categorized as extreme, which calls for extreme caution with a burn time of only 10 minutes. In September, the UV levels decline slightly but remain very high (8), while they further drop to high (6) in October. By November and December, conditions revert to moderate (3-4) with burn times back to 30 minutes. Visitors and residents should exercise caution and consider protective measures, particularly from April to September, when the risk of sunburn and UV exposure is at its highest.
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 |
| Zhichu | 3 | 4 | 6 | 8 | 9 | 10 | 10 | 11 | 8 | 6 | 4 | 3 |
| 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 |