Last updated: June 2, 2025
Understanding the UV Index in Yishan, China is crucial for everyone who enjoys the outdoors or wants to maintain healthy skin. With UV levels peaking at 11 during midday hours, awareness of sun exposure can significantly help in preventing sunburns and reducing the risk of skin damage. Yishan's Cfa climate brings warm summers, making it necessary for residents to recognize the potential risks associated with intense UV radiation. Whether you're spending a day at the park or walking around town, staying informed about the UV Index is essential for protecting your skin and enhancing your overall health.
The UV Index throughout the day paints a distinct picture of solar intensity. Beginning at 07:00, it starts off with a mild reading of 2, making it a safe time for morning strolls. As the sun climbs higher, the index rises sharply, peaking at 11 during the late morning and early afternoon hours of 11:00 and 12:00, indicating significant risk without protection. The intensity then begins to taper off, descending to 8 at 14:00, and further down to 6 and 4 by the late afternoon. By 17:00, the UV Index drops back to 2, allowing for a more relaxed evening outdoors, before dwindling to a safe 0 by 19:00. It’s a day that highlights the importance of sun protection during 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 | 9 | very high | 15 min |
| 11:00 | 11 | extreme | 10 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 6 | high | 25 min |
| 16:00 | 4 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
The UV Index experiences significant seasonal changes, peaking during the summer months. From January to March, the index gradually rises from a moderate level (5) to a very high level (9), indicating that residents and visitors should begin to take sun safety seriously as spring approaches. The most critical period occurs in May through August, where the UV Index reaches extreme levels (11-12), with an alarming burn time of just 10 minutes. September to November sees a decline, but individuals should remain cautious as the index stays within high to very high categories. Specifically, March through October are designated as high-risk months for UV exposure. Visitors and residents are strongly urged to utilize sunscreen, wear protective clothing, and limit sun exposure during peak hours to safeguard their skin health.
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 |
| Yishan | 5 | 6 | 9 | 10 | 11 | 11 | 12 | 11 | 10 | 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 |