Last updated: August 1, 2025
In Sanli, China, awareness of the UV Index is crucial for protecting your skin and overall health. The UV Index provides a clear indication of the sun’s intensity and helps residents understand the risk of sunburn and long-term skin damage. With local climate conditions categorized as Cwa, Sanli experiences high UV levels, particularly around midday, peaking at an intense 11 between 12:00 PM and 1:00 PM. By staying informed about the daily UV Index, you can take the necessary precautions to enjoy the outdoors safely while safeguarding your skin from harmful UV rays.
Throughout the day, the UV Index experiences a dramatic increase, peaking at 11 between noon and 1 PM, indicating a very high level of solar radiation. Early risers will notice a gentle start, with a UV Index of just 1 at 7 AM, gradually climbing to 4 by 9 AM. As the sun reaches its zenith, values soar to 9 at 11 AM, signaling it's time to take precautions. After the peak, the UV Index begins to decline, dropping to 10 at 2 PM, then tapering off to 3 by 5 PM and resting back down to 1 by 6 PM. Staying protected in the midday sun is crucial for skin safety during these hours!
| 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 | 6 | high | 25 min |
| 11:00 | 8 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 4 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV index levels experience significant fluctuations, with high-risk months occurring primarily from March to October. The peak UV index reaches 11 during the summer months of June and July, categorizing these periods as extreme and necessitating urgent sun protection measures, where burn time is reduced to just 10 minutes. As spring progresses, April and May also pose considerable risk with UV indexes of 9 and 10, respectively. Even during September and October, while still high, the index remains at 9 and 8, warranting caution. Conversely, winter months (January, February, November, and December) present lower risks, characterized by moderate levels and extended burn times of 30 minutes. Visitors and residents are strongly advised to take precautions such as wearing sunscreen, protective clothing, and sunglasses, especially during the high and extreme UV index months, to safeguard against skin damage and health risks.
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 |
| Sanli | 4 | 5 | 7 | 9 | 10 | 11 | 11 | 10 | 9 | 8 | 5 | 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 |