Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors in Haifeng, China, where the sun’s rays can pose significant risks to skin health. With a climate classified as Dwa, Haifeng experiences seasonal variations that affect UV exposure, especially during sunny days. Monitoring UV levels is essential for preventing sunburn and long-term skin damage, as indicated by the peak index readings reaching 9 around noon. By staying informed about the UV Index, individuals can take proactive measures to protect themselves and enjoy the outdoors safely.
The UV Index began its ascent at 7:00 AM with a gentle 2, signaling the start of a sun-drenched day. By 8:00 AM, it climbed to 4, prompting early risers to take precautions. The sun reached its peak intensity around 11:00 AM, where it hit a robust 9, maintaining this level until 12:00 PM. As the afternoon wore on, the index gradually dipped; at 1:00 PM, it ticked down to 7, followed by a steady decline to 6 at 2:00 PM. By 3:00 PM, it further relaxed to 4, trailing off into the evening with values dwindling to 1 by 5:00 PM and remaining there until nightfall. Overall, this UV journey highlights the importance of sun safety during peak hours, especially between 10:00 AM and 1:00 PM.
| 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 | 9 | very high | 15 min |
| 12:00 | 9 | very high | 15 min |
| 13:00 | 7 | high | 25 min |
| 14:00 | 6 | high | 25 min |
| 15:00 | 4 | 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 |
During the year, the UV Index exhibits notable seasonal variations, with high-risk months emerging from late spring through summer. May through August sees a significant increase in UV levels, peaking in June and July at a very high index of 9, where the recommended burn time is just 15 minutes. Conversely, the winter months of December and January present a low exposure risk with an index of 1 to 2 and burn times extending up to 45 minutes. Visitors and residents are advised to take extra precautions during the high and very high UV months, which include applying broad-spectrum sunscreen, wearing protective clothing, and seeking shade, especially between 10 AM and 4 PM when UV rays are strongest. Stay informed and protect your skin to enjoy the outdoors safely!
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Haifeng | 2 | 3 | 4 | 6 | 7 | 9 | 9 | 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 |