Last updated: May 3, 2025
Understanding the UV Index in Runjin, China is crucial for safeguarding your skin health and preventing sunburn. With the region's Dwb climate characterized by varying levels of UV exposure, being informed about daily UV levels can help you take necessary precautions. Typically peaking at 7 between 10:00 AM and 1:00 PM, the UV Index here underscores the importance of protective measures during these hours. By staying aware of UV levels, residents and visitors alike can enjoy the sun safely while minimizing the risk of skin damage.
As the sun rises, the UV Index begins its ascent, peaking during the late morning to early afternoon. At 07:00, it starts at a mild 2, gradually climbing to a moderate 4 by 08:00. The real intensity hits between 09:00 and 12:00, with a maximum reading of 7, signaling the best time to seek shade or apply sunscreen. As the afternoon progresses, the index dips gradually, tapering off to 6 at 13:00, and then declining further to 5 by 14:00. By late afternoon, it drops to a comfortable 3 at 15:00, followed by 2 at 16:00, and settles into the evening with a low 1 from 17:00 to 19:00. This timeline serves as a reminder to protect your skin during those peak hours when UV radiation is most potent!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 4 | moderate | 30 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 7 | high | 25 min |
| 11:00 | 7 | high | 25 min |
| 12:00 | 7 | high | 25 min |
| 13:00 | 6 | high | 25 min |
| 14:00 | 5 | moderate | 30 min |
| 15:00 | 3 | moderate | 30 min |
| 16:00 | 2 | low | 45 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index experiences noticeable fluctuations, indicating varying levels of sun exposure risk. January and February are classified as low risk with a consistent UV Index of 2 and a burn time of 45 minutes. As spring approaches, March sees a moderate increase to a UV Index of 4 (30 minutes burn time), which escalates into the high-risk category with values reaching 6 in April and 7 in May. The summer months (June, July, and August) peak at a very high UV Index of 8, significantly reducing safe exposure times to just 15 minutes. After the summer heat, September returns to a high risk, followed by moderate conditions in October. As the year winds down, November and December revert to low exposure categories, with UV Index values of 2 and 1, respectively. Visitors and residents should exercise heightened caution during the high-risk months of April to August, using sunscreen, wearing protective clothing, and seeking shade, especially during midday hours when UV radiation is strongest.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Runjin | 2 | 2 | 4 | 6 | 7 | 8 | 8 | 8 | 6 | 4 | 2 | 1 |
| 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 |
| Shenzhen UVI | 7 | 10 | 12 | 12 | 14 | 13 | 13 | 13 | 12 | 11 | 9 | 7 |