Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors in Daxu, China, where the subtropical climate presents unique sun exposure challenges. With UV levels peaking at an intense 11 during midday hours, awareness can significantly aid in preventing sunburn and protecting skin health. As Daxu's warm climate features sunny days, knowing how to gauge UV intensity not only helps in planning outdoor activities but also fosters long-term skin wellness. Stay informed and enjoy the sun safely in this vibrant locale!
The UV Index throughout the day presents a dynamic picture of sun exposure. As early as 7:00 AM, the index starts at a mild 2, ramping up to a moderate 4 by 8:00 AM. The sun's intensity peaks around 11:00 AM and 12:00 PM with a striking 11, marking the height of caution for outdoor activities. As we move into the afternoon, the index gradually declines, dropping to 8 by 2:00 PM and further to 5 by 3:00 PM. The evening brings relief, with the UV Index decreasing to a 1 by 5:00 PM and finally hitting 0 by 7:00 PM. It’s clear that the midday hours pose the greatest risk, so sun safety measures are essential during those peak times.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 4 | moderate | 30 min |
| 09:00 | 7 | high | 25 min |
| 10:00 | 9 | very high | 15 min |
| 11:00 | 11 | extreme | 10 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 5 | moderate | 30 min |
| 16:00 | 3 | moderate | 30 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
The UV Index shows significant seasonal changes, peaking during the summer months. From January to February, the UV Index measures 6 to 7, indicating a high exposure risk with a burn time of 25 minutes. As spring approaches, March and April see a rise to 9 and 10, classified as very high, reducing burn time to just 15 minutes. The peak months of May through August present extreme UV levels, reaching 12 and requiring sun protection within 10 minutes. In September and October, the index drops to 10 and 9 again, presenting a very high risk with a burn time of 15 minutes. As we move into late fall and winter, November and December see a decline to 6 and 5, classified as high and moderate, with burn times increasing to 25 and 30 minutes respectively. Visitors and residents are advised to take precautions, particularly from March to August, by using sunscreen, wearing protective clothing, and avoiding direct sun exposure during peak hours to minimize the risk of sunburn and long-term skin damage.
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 |
| Daxu | 6 | 7 | 9 | 10 | 11 | 12 | 12 | 12 | 10 | 9 | 6 | 5 |
| 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 |