Last updated: July 2, 2025
In Jiayue, China, being aware of the UV Index is crucial for protecting your skin from harmful UV radiation. Understanding UV levels helps in preventing sunburn and maintaining overall skin health, particularly in this Cwa climate known for its warm summers. With peak UV Index values reaching 10 around midday, residents and visitors alike should be vigilant about sun safety, as prolonged exposure during these hours significantly increases the risk of skin damage. Stay informed and enjoy the sun responsibly!
The UV Index throughout the day reveals a dynamic pattern of solar intensity. Starting off gently at 2 by 7:00 AM, it rapidly escalates as the sun climbs higher, peaking at a striking 10 by 11:00 AM and 12:00 PM. This peak period demands caution, as the risk of harm from unprotected sun exposure becomes significant. As the afternoon progresses, the index gradually decreases, settling back to 6 by 3:00 PM, then tapering off to 2 by the evening hours, specifically at 5:00 PM. By 7:00 PM, the UV Index dips to a safe 1, signaling a perfect time to enjoy outdoor activities without the intense sun glare. Stay protected during those midday hours to fully enjoy the sun's warmth while safeguarding your skin!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 4 | moderate | 30 min |
| 09:00 | 6 | high | 25 min |
| 10:00 | 8 | very high | 15 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 6 | high | 25 min |
| 16:00 | 3 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index experiences significant seasonal changes. January and December have a moderate exposure category with an index of 3, allowing for a burn time of 30 minutes. As spring approaches, March sees an increase to a high index of 7 and a reduced burn time of 25 minutes. The summer months (April to August) present the highest risk, with a very high exposure category peaking at an index of 10, necessitating caution as burn times drop to just 15 minutes. September begins the gradual decline with an index of 8, before returning to more moderate levels in November and December. For visitors and residents alike, it is crucial to take precautions during the high-risk months of April through September, by seeking shade, wearing protective clothing, and applying sunscreen to avoid harmful 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 |
| Jiayue | 3 | 5 | 7 | 8 | 9 | 10 | 10 | 10 | 8 | 7 | 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 |