Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors in Guangze, China, where the local climate presents unique sun exposure risks. With peak UV levels reaching as high as 12 during midday, awareness of these indices is essential for preventing sunburn and maintaining long-term skin health. Knowledge of UV intensity can help you take necessary precautions, especially under the hot, humid conditions characteristic of Guangze's Cfa climate. Regularly checking the UV Index can empower you to enjoy the sun safely while protecting your skin from harmful effects.
The UV Index throughout the day highlights a significant peak in solar intensity, starting with a gentle level of 2 at 7:00 AM. As the sun rises higher, the index climbs steadily, hitting 4 by 8:00 AM and reaching a striking 6 by 9:00 AM. The intensity reaches its zenith between 11:00 AM and 12:00 PM, with values soaring to 12—a clear signal for sun enthusiasts to take precautions. Gradually, the index dips to 9 at 1:00 PM, and by mid-afternoon, it lowers to 6 at 3:00 PM. As evening approaches, the UV Index declines further, settling back to 2 at 5:00 PM, and drifting down to 0 by 7:00 PM, indicating a shift towards safer evening conditions. This data serves as a reminder to stay sun-smart during peak hours!
| 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 | 9 | very high | 15 min |
| 11:00 | 12 | extreme | 10 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 6 | high | 25 min |
| 16:00 | 3 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
As the seasons change, UV Index levels shift significantly, peaking in the summer months. The highest risk for UV exposure typically occurs from May to August, where the UV Index reaches an extreme level of 12 to 13 and the recommended burn time is as little as 10 minutes. This trend continues into September, where the index remains at 11, indicating sustained high risk. In contrast, the winter months of January and December have lower UV levels, rated 6, which still falls under the high exposure category but allows for a longer burn time of 25 minutes. Visitors and residents are advised to take necessary precautions, especially during high-risk periods, by wearing protective clothing, applying sunscreen, and seeking shade when outdoors to minimize skin damage. Staying vigilant during peak UV days ensures better health and safety under the sun.
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 |
| Guangze | 6 | 8 | 10 | 11 | 12 | 12 | 13 | 13 | 11 | 9 | 8 | 6 |
| 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 |