Last updated: June 2, 2025
Understanding the UV Index in Yazhou, China is crucial for maintaining skin health and preventing sunburn, particularly in this temperate climate where sun exposure can vary significantly throughout the day. With UV levels peaking between 10:00 AM and 2:00 PM—reaching as high as 10—it's vital for residents and visitors to remain aware of these changes to protect themselves from harmful ultraviolet rays. By tracking the daily UV Index, you can make informed decisions about sun protection, ensuring that your outdoor activities are both enjoyable and safe. With Yazhou’s typical climate fostering substantial UV exposure, equipping yourself with this knowledge is essential for a healthy lifestyle.
As the sun rises, the UV Index starts low at 2 at 7:00 AM, gradually climbing to a moderate 4 by 8:00 AM. The intensity peaks dramatically at 10:00 AM, reaching an impressive 10—a clear signal for outdoor enthusiasts to take precautions. From 11:00 AM to 1:00 PM, the UV Index remains steady at this maximum level, ensuring that midday sun exposure can be quite harmful. After 2:00 PM, the index begins its descent, dropping to 8 by 2:00 PM and further declining to 5 at 3:00 PM. As the afternoon wanes, the UV Index falls to 3 by 4:00 PM, with evening hours presenting little risk, dipping to 1 at 5:00 PM and finally dropping to 0 by 7:00 PM. Overall, a midday outing requires caution, but post-lunch hours offer safer conditions for sun lovers.
| 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 | 8 | very high | 15 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 5 | moderate | 30 min |
| 16:00 | 3 | moderate | 30 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 experiences significant seasonal fluctuations. From January to February, there is a gradual increase in UV radiation, moving from a moderate index of 4 to a high index of 6. As spring approaches, the UV levels spike dramatically, peaking at an extreme UV index of 11 in July and August, where the burn time falls to as little as 10 minutes. The high-risk months for UV exposure are from March to September, particularly the peak summer months when UV levels are at their highest. Visitors and residents are advised to take precautions during these months by wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade during peak hours to minimize the risk of skin damage. As autumn and winter roll in, the UV Index gradually decreases, making it safer for outdoor activities with less intensive sun protection needed.
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 |
| Yazhou | 4 | 6 | 8 | 10 | 10 | 10 | 11 | 11 | 10 | 8 | 5 | 4 |
| 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 |