Last updated: May 3, 2025
Understanding the UV Index in Dali, China is essential for safeguarding your skin and overall health. As a popular tourist destination nestled in a highland climate, Dali experiences dramatic variations in UV levels throughout the day, reaching a peak of 15 between noon and 2 PM. Awareness of these UV levels is crucial for preventing sunburn and minimizing long-term skin damage. With the sun's intensity increasing significantly in the morning and peaking during midday, it's vital to stay informed and take necessary precautions to enjoy the beautiful landscapes without compromising your skin health. Don't let the beauty of Dali's sunny days catch you off guard—stay educated and protected!
The UV Index (UVI) throughout the day exhibits a dramatic rise, peaking at a staggering 15 between 1 PM and 2 PM. Starting from a mild 1 at 7 AM and 8 AM, the sun's intensity escalates quickly, reaching 11 by 11 AM. The real surge occurs during midday, with the UVI climbing to a scorching 14 by noon before hitting its maximum at 1 PM. As afternoon unfolds, the UVI begins to taper off, dropping to 4 by 5 PM, 2 by 6 PM, and returning to a safe 1 by 7 PM. This data underscores the importance of sun protection during the peak hours when UV exposure can be significantly harmful.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | 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 | 14 | extreme | 10 min |
| 15:00 | 11 | extreme | 10 min |
| 16:00 | 8 | very high | 15 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
The UV Index exhibits significant seasonal fluctuations, indicating that the risk of harmful UV exposure increases markedly from late winter through summer. January and February remain very high at a UV Index of 8 and 9, with a burn time of 15 minutes. However, from March to October, the UV Index reaches extreme levels, peaking at 15 in May and July. During this period, the burn time dramatically decreases to just 10 minutes. The high-risk months are the late spring and summer, specifically from March through September. As a result, both visitors and residents are strongly advised to take precautionary measures during these months, including wearing sunscreen, protective clothing, and seeking shade during peak sun hours. In November, the UV Index drops to 9 again, signaling a return to very high risk, while December sees a further decline to a high level of 7 with a burn time of 25 minutes.
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 |
| Dali | 8 | 9 | 12 | 13 | 15 | 14 | 15 | 14 | 14 | 12 | 9 | 7 |