Last updated: July 2, 2025
Understanding the UV Index in Yaxi, China is essential for maintaining skin health and preventing sunburn, especially given the city's climate zone, Cwa. With peak UV levels reaching a significant 12 around noon, awareness of daily UV exposure is crucial for residents and visitors alike. By monitoring the UV Index, you can take proactive measures to protect yourself from harmful rays, reducing the risk of skin damage and promoting overall wellness. Yaxi's typical exposure risks require vigilance, particularly during the sunniest hours of the day, so stay informed and enjoy the outdoors safely!
From the early morning hours, the UV Index increased steadily, starting at 2 at 7:00 AM and peaking at an intense 12 by noon. The sun reached its highest intensity around 11:00 AM, with a UV Index of 11, prompting caution for outdoor activities. As the afternoon unfolded, the UV levels began to decline, dropping to 10 at 1:00 PM, then tapering off to 5 by 3:00 PM. By the time evening set in, the index fell further, reaching 1 by 6:00 PM and fading into 1 at 7:00 PM. This hourly progression underscores the importance of sun safety during the midday hours when UV exposure is at its peak.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 4 | moderate | 30 min |
| 09:00 | 7 | high | 25 min |
| 10:00 | 9 | very high | 15 min |
| 11:00 | 11 | extreme | 10 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 8 | very high | 15 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 shows significant fluctuations, with the highest values occurring during the summer months. From January to February, exposure levels remain moderate (UV Index 3-4), allowing for a burn time of 30 minutes. As we move into March and April, the index rises sharply, reaching high (6) and very high (8) levels, with burn times decreasing to 25 and just 15 minutes, respectively. The months of May through August pose the highest risk, with UV Index readings peaking at 11 and 12 during July and August, where even short exposures can lead to sunburn (10 minutes burn time). After this peak, the index gradually decreases in September (9) and October (7), yet still demands caution with burn times of 15 and 25 minutes. As winter arrives, November and December see a return to moderate levels, albeit with a sustained emphasis on protective measures. Visitors and residents should remain vigilant during the high-risk months of May through August, adopting sun safety protocols like wearing sunscreen, protective clothing, and seeking shade during peak hours.
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 |
| Yaxi | 3 | 4 | 6 | 8 | 9 | 10 | 11 | 12 | 9 | 7 | 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 |