Last updated: June 2, 2025
Understanding the UV Index is crucial for residents of Erdaocha, China, where the combination of a Dwb climate and high sun exposure can pose significant risks to skin health. With UV levels peaking at 9 during peak hours, awareness of these fluctuations is essential for effective sunburn prevention and long-term skin care. Knowing when to seek shade and how to protect yourself helps mitigate the harmful effects of ultraviolet radiation, especially during the sunniest times of day. Be prepared to safeguard your skin while enjoying the great outdoors in Erdaocha!
As the sun rises, the UV Index gradually increases, starting at a mild 3 around 07:00. By 08:00, it reaches 4, indicating a moderate risk of harm from unprotected sun exposure. The intensity peaks at 09:00 with a 6, then skyrockets to an impressive 8 by 10:00. The sun hits its zenith at 11:00 and 12:00, both boasting a maximum of 9, presenting a high risk for those outdoors. As the afternoon progresses, the UV Index begins to decline, gently falling to 6 by 14:00, and continuing downward to 4 at 15:00. By 16:00, it drops further to 2, and as the day winds down, the index settles at a minimal 1 by 17:00 and remains low until 19:00, when it finally hits 0. It’s essential to stay sun smart, especially during those peak hours when the UV Index is at its highest!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 3 | moderate | 30 min |
| 08:00 | 4 | moderate | 30 min |
| 09:00 | 6 | high | 25 min |
| 10:00 | 8 | very high | 15 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 9 | very high | 15 min |
| 13:00 | 8 | very high | 15 min |
| 14:00 | 6 | high | 25 min |
| 15:00 | 4 | moderate | 30 min |
| 16:00 | 2 | low | 45 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
Throughout the year, the UV Index exhibits seasonal fluctuations, reflecting varying risk levels for sun exposure. The high-risk months are concentrated from May to August, where the UV Index reaches very high to extreme levels (peaking at 11 in July), resulting in significantly reduced burn times, as short as 10 minutes in peak summer. Conversely, during the winter months of January and December, the UV Index remains at a low level of 2, allowing for extended exposure times of 45 minutes without substantial risk of sunburn. Visitors and residents are advised to take precautionary measures during high UV months, such as wearing protective clothing, applying sunscreen, and seeking shade, especially between 11 AM and 4 PM when the sun’s rays are strongest.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Erdaocha | 2 | 3 | 6 | 7 | 8 | 9 | 11 | 10 | 7 | 5 | 3 | 2 |
| 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 |