Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors in Jiulian, China, where the subtropical climate brings varied sun exposure throughout the year. As UV levels can soar, particularly between the hours of 10 AM and 2 PM, awareness of these levels is essential for preventing sunburn and protecting your skin health. With UV Index readings peaking at an intense 13 during midday, it's vital to take precautions and stay informed to enjoy the outdoors without risking harmful effects. Be UV savvy; your skin will thank you!
As the sun climbs higher in the sky, the UV Index sharply rises, reaching its peak at 12:00 PM with a striking level of 13. Early risers will find moderate exposure between 7:00 AM and 8:00 AM, registering a low 1 and a moderate 3, respectively. The intensity escalates rapidly, hitting 9 by 10:00 AM and soaring to a maximum of 12 at 11:00 AM. This level of intensity remains steady until 1:00 PM, where it settles at 13 before gradually declining to 11 by 2:00 PM. The afternoon brings a noticeable drop, with values gently tapering off to 7 at 3:00 PM, then fading to 4 by 4:00 PM, and finally trailing off to 1 by 6:00 PM. This data underscores the importance of sun protection during peak hours when UV exposure is at its highest. Stay safe and enjoy the sunshine! ☀️
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 6 | high | 25 min |
| 10:00 | 9 | very high | 15 min |
| 11:00 | 12 | extreme | 10 min |
| 12:00 | 13 | extreme | 10 min |
| 13:00 | 13 | extreme | 10 min |
| 14:00 | 11 | extreme | 10 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, the UV Index experiences significant fluctuations, with the highest values occurring from March to September, when the index reaches an extreme level of 12 to 13. Notably, February marks the transition into high UV levels, and April through August are particularly high-risk months, with a burn time as short as 10 minutes during this period. As summer approaches, residents and visitors should be vigilant and prioritize sun protection strategies, such as wearing sunscreen, hats, and UV-protective clothing, to minimize the risk of skin damage. In contrast, January, October, November, and December see a decrease in the UV Index, categorized as either high or very high, allowing for longer safe exposure times—up to 25 minutes in January and December. It is essential to remain aware of changing UV levels, particularly during these peak months, to ensure health and safety in sunlight.
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 |
| Guangzhou UVI | 7 | 9 | 11 | 12 | 13 | 13 | 13 | 12 | 11 | 10 | 9 | 7 |
| Jiulian | 7 | 9 | 12 | 12 | 13 | 13 | 13 | 13 | 12 | 10 | 9 | 7 |
| Shenzhen UVI | 7 | 10 | 12 | 12 | 14 | 13 | 13 | 13 | 12 | 11 | 9 | 7 |