Last updated: May 3, 2025
In Sanxi, China, being aware of the UV Index is crucial for maintaining skin health and preventing sunburn. With typical UV levels peaking at a high of 12 during the midday sun, understanding these fluctuations can help residents and visitors alike make informed decisions about sun protection. Sanxi experiences a Cwa climate, characterized by hot summers that intensify UV exposure risks, especially from 10 AM to 2 PM when the UV index reaches its highest points. By staying informed about the UV Index, you can protect your skin and enjoy the sunshine safely!
The UV Index today tells a striking story of the sun's intensity as the day unfolds. Starting at 07:00, the index peaks at a gentle 1, perfect for an early morning stroll. As the sun rises higher, a noticeable increase occurs, reaching 3 by 08:00 and then surging to a robust 5 at 09:00. By 10:00, the index hits 8, and it truly shifts into high gear at 11:00, peaking at an impressive 10. The zenith arrives with an intense 12 at 12:00 and holds steady, emphasizing the need for sun protection. As afternoon rolls in, a gradual decline begins, slipping to 10 at 14:00, then tapering off to 8 by 15:00 and 5 at 16:00. By the evening, the UV threat diminishes significantly to 2 at 17:00 and is back down to 1 by 19:00. Remember to stay sun-safe during the midday hours when the UV index is at its highest!
| 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 | 8 | very high | 15 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 12 | 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 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
The UV Index experiences significant seasonal variability, peaking in the summer months. From March to September, the UV Index consistently hits extreme levels (10 or above), indicating a higher risk of harm from unprotected sun exposure. In particular, April to August sees monthly values reaching as high as 13, with a very quick burn time of just 10 minutes. January and December provide some relief, with moderate values of 5, while November has a high index of 7, requiring caution. February, at 6, and October, dropping back to 9, signal a transition towards safer conditions. Visitors and residents are advised to take protective measures, such as wearing sunscreen and seeking shade, especially during the high-risk months of April through September, when sun safety is critical.
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 |
| Sanxi | 5 | 6 | 9 | 11 | 12 | 13 | 12 | 12 | 11 | 9 | 7 | 5 |
| 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 |