Last updated: August 1, 2025
Staying informed about the UV Index in Sancha, China, is crucial for safeguarding your skin and overall health. Understanding the varying levels of ultraviolet (UV) radiation throughout the day helps in preventing sunburns and minimizing long-term skin damage. With Sancha's Cwb climate—characterized by a temperate climate and distinct wet and dry seasons—the UV exposure can spike significantly during midday hours. Notably, peak UV levels in Sancha can soar to 12, indicating a high risk for harmful effects. Equip yourself with knowledge and take proactive measures to enjoy the sun safely!
As the sun rises, the UV Index starts off low at 1 by 07:00, gradually climbing to a moderate 2 by 08:00. Things heat up by 09:00, where the index reaches 4, signaling a need for caution. 10:00 brings a sharp surge to 7, followed by a peak of 12 at both 12:00 and 13:00, indicating high levels of UV radiation. As the afternoon unfolds, the index begins to dip, dropping to 11 at 14:00 and then gradually decreasing to 9 by 15:00. By 16:00, the value lowers to 6, and as evening approaches, the levels continue to decline, reaching 3 at 17:00 and finally settling back to 2 by 18:00 and 1 by 19:00. It's a day that emphasizes the importance of sun protection, especially during those peak hours between 10:00 and 14:00.
| 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 | 9 | very high | 15 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 10 | very high | 15 min |
| 15:00 | 8 | very high | 15 min |
| 16:00 | 5 | moderate | 30 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
As the seasons change, so do UV levels, which peak during the summer months. January starts with a UV Index of 5, categorized as moderate, allowing for a burn time of 30 minutes. This increases sharply to 7 in February, denoting high risk. From March to October, the UV Index reaches its zenith—peaking at 12 from May to July, classified as extreme. Visitors and residents should be particularly mindful of their sun exposure during these high-risk months, especially between April to September, when burn times drop to just 10 to 15 minutes. As the UV Index decreases towards the end of the year, November shows a high risk with an index of 6 and a burn time of 25 minutes, while December returns to moderate with an index of 4 and again a burn time of 30 minutes. To ensure safe outdoor experiences, it is crucial to use sunscreen, wear protective clothing, and seek shade, especially during the peak UV 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 |
| 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 |
| Sancha | 5 | 7 | 8 | 10 | 12 | 12 | 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 |