Last updated: July 2, 2025
Understanding the UV Index in Honghua'erji, China is essential for protecting your skin and enjoying the outdoors safely. With a climate characterized by warm summers and cold winters, Honghua'erji presents varying levels of UV radiation throughout the year. During peak hours—especially between 11:00 AM and 1:00 PM, when the UV Index can reach a maximum of 9—the risk of sunburn increases significantly. By staying informed about UV levels, you can take proactive measures to prevent skin damage and uphold your overall skin health, ensuring you stay safe while basking in the region’s beautiful sunlight.
The UV Index peaks during the midday hours, soaring to a maximum of 9 at 11:00 AM, where the sun shines its brightest and exposure risks increase. As the morning progresses from 7:00 AM to 10:00 AM, the index steadily climbs from a mild 2 to a notable 7, signaling that it's time to take precautions if you're outdoors. After the midday high, the intensity begins to wane, dropping to 7 by 2:00 PM before descending further to 3 by 4:00 PM. By evening, the index stabilizes at a low 1, making it safe for outdoor activities. For the best protection, aim for shade and sunscreen during those peak hours between 11:00 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 | 7 | high | 25 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 9 | 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 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index shows significant seasonal changes that impact sun exposure and risk levels for residents and visitors. From January to March, the UV levels are relatively low to moderate, with burn times ranging from 30 to 45 minutes. However, starting in April, the UV Index rises sharply, peaking during the summer months of May to July when it reaches its highest levels of 8 to 9 and falls into the very high exposure category, resulting in a rapid burn time of just 15 minutes. August maintains this very high level before tapering off in September. The risk decreases again in the fall and winter months, with October seeing a moderate index and November and December returning to low levels. Visitors and residents should exercise caution and adopt protective measures, such as wearing sunscreen and protective clothing, especially during the high-risk months of May through September. Adjusting your outdoor activities during peak sun hours can also help mitigate UV-related risks.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Honghua'erji | 2 | 3 | 5 | 6 | 8 | 8 | 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 |