Last updated: August 1, 2025
Understanding the UV Index is crucial for residents and visitors of Chenjiaba, China, as it helps gauge the effects of sun exposure on skin health and the risk of sunburn. With the region's Cwa climate, characterized by hot summers, it’s essential to be aware of daily UV levels—peaking at a high of 12 around midday, indicating a significant risk for skin damage. By keeping informed about the UV Index, you can take proactive steps to protect your skin and enjoy the beautiful, sunny days in Chenjiaba while minimizing potential harm.
The UV Index throughout the day showcases a striking pattern, peaking at an impressive 12 by 1 PM. Beginning with a gentle start of 1 at 7 AM, the index steadily climbs, hitting 10 by 11 AM and reaching its zenith at 12 during the warmest hour. As the afternoon progresses, a decline occurs, with the index tapering off to 8 at 3 PM, and gradually dropping to 1 by 6 PM. This indicates that the highest UV exposure is between 11 AM and 1 PM, urging outdoor enthusiasts to take precautions 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 | 12 | extreme | 10 min |
14:00 | 10 | very high | 15 min |
15:00 | 8 | very high | 15 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 |
Throughout the year, UV Index values exhibit significant seasonal variations, indicating the need for increased awareness among residents and visitors. The high-risk months are from March to September, where the UV Index reaches very high to extreme levels—specifically peaking at 12 in both July and August. During these months, burn times drop to just 10 minutes, highlighting the urgency for effective sun protection measures. As a guideline, individuals should use sunscreen with high SPF, wear protective clothing, and seek shade during peak sun hours. Conversely, the month of January starts with a moderate UV Index of 5 (burn time: 30 min), making it safer for outdoor activities, while December sees a drop to 4 with similar burn time, signaling a lower risk for sun exposure. Nevertheless, all months warrant vigilance, particularly during the warmer seasons when the sun’s intensity is at its highest.
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 |
Chenjiaba | 5 | 6 | 8 | 10 | 11 | 11 | 12 | 12 | 11 | 9 | 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 |