Last updated: August 1, 2025
In Yungaisi, China, understanding the UV Index is crucial for safeguarding your skin health and preventing sunburn. With the region's Cwa climate, which features humid subtropical conditions, exposure to ultraviolet (UV) radiation can peak dramatically during the day, especially between 10 AM and 2 PM when the index reaches its highest at 12. Being aware of UV levels helps residents and visitors alike protect themselves from potential skin damage and long-term health issues. As you enjoy the outdoor beauty of Yungaisi, knowledge of UV Index readings can empower you to take necessary precautions and enjoy the sun safely.
At 07:00 AM, the UV Index starts low at 1, perfect for early risers. As the sun climbs higher, it peaks at 12 between 12:00 and 1:00 PM, signaling intense sun exposure—wear sunscreen! From 2:00 PM onwards, the index gradually declines, dropping to 3 by 5:00 PM. As the day winds down, the UV Index returns to the safe zone of 1 by 6:00 PM, allowing evening activities without worry. Remember, the highest UV levels occur during midday, so plan accordingly to protect your skin!
| 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 | 10 | 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 |
As the seasons change, so too does the UV Index, significantly impacting outdoor activities. From January to February, the UV levels transition from moderate (5) to high (6), necessitating careful sun exposure planning, especially as burn time decreases from 30 to 25 minutes. March and April see a jump to a very high UV Index of 9 and 10, with corresponding burn times of just 15 minutes, demanding increased sun protection. The most critical months for UV exposure are from May to August, when the index peaks at an extreme level of 12, resulting in an extremely short burn time of merely 10 minutes. Caution is essential during these months, as prolonged sun exposure can lead to serious skin damage. As autumn approaches, September and October maintain a very high status, allowing for 15 minutes of exposure before sunburn sets in again, while November and December drop down to high and moderate levels, respectively. Residents and visitors are advised to stay vigilant during high-risk months, employing protective measures such as sunscreen, hats, and clothing to mitigate UV harm.
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 |
| Yungaisi | 5 | 6 | 9 | 10 | 12 | 12 | 12 | 12 | 10 | 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 |