Last updated: July 2, 2025
Awareness of the UV Index is crucial for residents and visitors in Baoxia, China, where the sun's intensity can reach dangerously high levels. Understanding the UV levels throughout the day not only helps in preventing sunburn but also plays a significant role in maintaining long-term skin health. With Baoxia's Cwa climate, which typically features hot summers and mild winters, the risk of harmful UV exposure is particularly pronounced during peak hours, especially between 11:00 AM and 1:00 PM, when the index can soar to a maximum of 11. Staying informed and taking appropriate precautions will ensure that you enjoy the sun safely and protect your skin from potential damage.
Throughout the day, the UV Index experiences a dramatic increase, peaking at 11 between noon and 1 PM, indicating a very high level of solar radiation. Early risers will notice a gentle start, with a UV Index of just 1 at 7 AM, gradually climbing to 4 by 9 AM. As the sun reaches its zenith, values soar to 9 at 11 AM, signaling it's time to take precautions. After the peak, the UV Index begins to decline, dropping to 10 at 2 PM, then tapering off to 3 by 5 PM and resting back down to 1 by 6 PM. Staying protected in the midday sun is crucial for skin safety during these hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 7 | high | 25 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 10 | very high | 15 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 5 | moderate | 30 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
As the seasons change, the UV Index varies significantly, indicating different levels of sun exposure risk. During the winter months (January and February), the UV Index remains moderate at 4 and 5 respectively, allowing for a burn time of 30 minutes. However, starting in March, the index escalates to 8, indicating a very high risk, which continues to rise through April (9) and peaks in May to August at an extreme level of 11, with a burn time of just 10 minutes during these months. The risk diminishes slightly in September (10) and October (8), yet remains very high, before dropping back to moderate levels by November (5) and December (4). Visitors and residents are advised to take precautions from March through October, ensuring proper sun protection — such as sunscreen, clothing, and shade — especially during the peak summer months when the potential for sunburn is greatest.
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 |
| Baoxia | 4 | 5 | 8 | 9 | 11 | 11 | 11 | 11 | 10 | 8 | 5 | 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 |