Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors of Muhuang, China, especially given the region’s humid subtropical climate (Cfa) which often leads to high levels of sun exposure. With UV levels not only varying throughout the day but peaking at a dangerous 13 between noon and 1 PM, awareness becomes key in protecting against sunburn and long-term skin health issues. By recognizing these UV levels, you can make informed decisions about when to seek shade, wear protective clothing, or apply sunscreen, ensuring that you enjoy the sunshine safely while minimizing risks associated with harmful UV radiation.
The UV Index tells an intriguing story of the day's sun exposure. At dawn (07:00), the index shows a gentle 1, gradually rising to a modest 2 by 08:00. As the sun ascends, the index climbs swiftly, reaching a peak of 13 at 12:00, indicating a potential for significant skin damage without protection. This high intensity lasts until 13:00 before tapering off; 11 at 14:00 and then descending through the afternoon. By 16:00, the index drops to 5, winding down as daylight fades, finally settling back to 1 by 18:00. It's clear that midday sun poses the greatest risk, making it crucial for sun safety measures during these hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 8 | very high | 15 min |
| 11:00 | 11 | extreme | 10 min |
| 12:00 | 13 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 11 | extreme | 10 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 |
The UV Index exhibits notable seasonal variations, peaking during the summer months. From January (UV Index 6) to March (UV Index 9), the risk of skin damage begins to rise, with February and March categorized as very high. The high-risk period occurs from April to August, where the UV Index reaches extreme levels (11-13), with a burn time of just 10 minutes in direct sunlight. This trend gradually decreases in September and October, marking a slight decline with UV Indexes of 11 and 10 respectively. By November (UV Index 7) and December (UV Index 5), the risk significantly diminishes, classified as high and moderate, with longer burn times of 25 and 30 minutes. Visitors and residents are strongly advised to take precautionary measures during high-risk months, including wearing sun protection, seeking shade, and limiting sun exposure, especially between 10 AM and 4 PM when UV radiation is most intense.
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 |
| Muhuang | 6 | 8 | 9 | 11 | 13 | 13 | 13 | 13 | 11 | 10 | 7 | 5 |
| 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 |