Last updated: June 2, 2025
Understanding the UV Index is essential for residents and visitors of Sikeshu, China, as it plays a crucial role in protecting skin health and preventing sunburn. With its Cwa climate, Sikeshu experiences significant UV exposure, particularly during midday hours when the UV Index peaks at a striking 10. Being aware of these levels helps individuals take necessary precautions, ensuring a safe and enjoyable outdoor experience. Whether enjoying the stunning landscapes or engaging in outdoor activities, staying informed on UV risks can make a vital difference in maintaining skin health and overall well-being.
As the sun rises, the UV Index gradually transitions from a mild 1 at 07:00 to an invigorating 3 by 08:00. The peak UV intensity hits its stride between 12:00 and 13:00, reaching a striking 10, a clear call for sun protection. As the afternoon progresses, the index begins to decline, tapering off to 8 at 14:00, 6 at 15:00, and eventually settling to a gentle 2 by 17:00. By evening, the UV levels dip back down, returning to a safe 1, indicating it's time to relax and enjoy the cooler, softer light of sunset.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 7 | high | 25 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 10 | very high | 15 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 | 1 | low | 45 min |
Throughout the year, exposure to ultraviolet (UV) radiation shows significant seasonal variation. January and February present moderate UV Index levels of 4 and 5, respectively, allowing for a burn time of 30 minutes. As spring approaches, March sees an increase to a high UV Index of 7 (burn time of 25 minutes), followed by April, which reaches a very high UV Index of 9 and reduces burn time to 15 minutes. The UV intensity peaks in May at an extreme 11, necessitating a cautious approach with a burn time of just 10 minutes. Through the summer months of June, July, and August, the UV Index remains very high at 10, maintaining a burn time of 15 minutes. In September and October, UV levels gradually decline to 9 and 8, respectively, yet still require vigilance during outdoor activities with a burn time of 15 minutes. The UV Index drops again in November to 5 and falls further to 3 in December, with longer burn times of 30 minutes. Visitors and residents should remain cautious during the high-risk months of April through October, seeking shade, wearing protective clothing, and applying sunscreen regularly to mitigate the risks associated with UV exposure.
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 |
| Sikeshu | 4 | 5 | 7 | 9 | 11 | 10 | 10 | 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 |