Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors of Dingzha, China, as it helps to gauge the strength of the sun's ultraviolet radiation and take necessary precautions. With sun exposure linked to skin damage and increased risk of skin cancer, being aware of UV levels can significantly aid in preventing sunburn and maintaining overall skin health. Dingzha's Cfa climate typically features warm summers, resulting in notable UV exposure throughout the day, especially during peak hours when the index can reach a maximum of 10 at noon. By staying informed about the UV Index, you can enjoy the beautiful weather while keeping your skin protected!
The UV Index paints a vivid picture of the sun’s intensity throughout the day. At sunrise (07:00), the index starts modestly at 2, but by 08:00, it rises to a comfortable 4. The sun gains strength, with readings escalating to 6 by 09:00. The peak arrives at 11:00 and 12:00, where the index reaches a striking 10—a clear signal to seek shade or apply sunscreen! As the afternoon progresses, we see a decline; the UV Index drops to 9 at 13:00 and gradually decreases to 5 by 15:00. The late afternoon brings a gentle taper off to 3 by 16:00, before plummeting to 1 by 17:00 and finally settling at 0 as evening descends (19:00). Stay sun-smart and enjoy the daylight safely!
| 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 | 9 | very high | 15 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 7 | high | 25 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 |
Throughout the year, UV levels fluctuate significantly, reaching their highest values in the summer months. January begins with a moderate UV Index of 5, increasing to 6 in February as exposure risks rise to high. The transition to spring sees a sharp jump, with March and April experiencing very high levels of 8 and 9 respectively. The peak of the season occurs in June, July, and August, where the UV Index reaches an extreme level of 11, reducing burn time to just 10 minutes. As summer wanes, September returns to a very high index of 10, followed by reduced but still high levels in October and November at 7 and 6. By December, UV radiation drops to a moderate index of 4. Residents and visitors should take extra precautions from March through September, when UV levels are at their highest, wearing protective clothing and applying sunscreen frequently to minimize the risk of sunburn.
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 |
| Dingzha | 5 | 6 | 8 | 9 | 10 | 11 | 11 | 11 | 10 | 7 | 6 | 4 |
| 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 |