Last updated: May 3, 2025
In Shimen, China, being aware of the UV Index is crucial for safeguarding your skin health and preventing sunburn, particularly during peak hours when UV radiation can be particularly intense. Understanding the daily UV levels helps you make informed decisions about outdoor activities, allowing you to enjoy Shimen's beautiful climate without compromising your well-being. With a humid subtropical climate characterized by warm, sunny summers, residents and visitors alike must be vigilant of the high UV exposure risks typically seen from late morning to early afternoon, where indices soar to levels of 13 and 14. Stay informed and protected, making the most of Shimen's vibrant outdoors!
The UV Index throughout the day presents a telling story of sun intensity. Morning hours start off gentle, with a maximum of 1 at both 07:00 and 08:00, making it a perfect time for a leisurely stroll. As the day progresses, the UV Index begins to rise sharply, peaking at 14 between 13:00 and 14:00, signaling that it's time to seek shade or apply sunscreen. The intensity remains high at 12 by 15:00, before taking a gradual decline in the late afternoon. As the sun sets, the index dips back down to a safe 1 by 19:00. This data reminds us to be vigilant in sun protection, especially during peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 3 | moderate | 30 min |
| 10:00 | 7 | high | 25 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 13 | extreme | 10 min |
| 13:00 | 14 | extreme | 10 min |
| 14:00 | 14 | extreme | 10 min |
| 15:00 | 12 | extreme | 10 min |
| 16:00 | 8 | very high | 15 min |
| 17:00 | 5 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV exposure varies significantly, with the highest levels occurring from March to October. During these months, specifically March through August, the UV Index reaches extreme levels, peaking at 16 in July, which corresponds to a burn time of just 10 minutes. Residents and visitors should be particularly cautious in these high-risk months, taking protective measures such as wearing sunscreen, hats, and UV-protective clothing when outdoors. January and February also exhibit very high UV levels, indicating that sun protection is essential even in winter. November sees a slight decrease but remains very high, while December offers a respite with a high exposure category and a longer burn time of 25 minutes. It is crucial for everyone to remain vigilant against UV exposure year-round, adjusting their sun safety practices according to these seasonal shifts.
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 |
| Shenzhen UVI | 7 | 10 | 12 | 12 | 14 | 13 | 13 | 13 | 12 | 11 | 9 | 7 |
| Shimen | 8 | 9 | 11 | 13 | 14 | 15 | 16 | 15 | 14 | 12 | 9 | 7 |