Last updated: July 2, 2025
Understanding the UV Index in Datou, China, is essential for safeguarding your health under the sun. With UV levels that peak dramatically between 10:00 AM and 2:00 PM—reaching a maximum of 12—being aware of these changes can significantly help in preventing sunburn and promoting long-term skin health. Datou's humid subtropical climate (Cfa) means residents are at risk of higher UV exposure throughout the year, making it crucial to stay informed. Regularly checking the UV Index empowers you to take proactive measures against the sun’s harmful rays, ensuring your skin stays protected while you enjoy all that Datou has to offer.
As the day unfolds, the UV Index (UVI) reaches its peak around noon, soaring to a significant 12. Starting from a modest 2 at 7:00 AM, the intensity gradually escalates, hitting 4 by 8:00 AM and 6 by 9:00 AM. By 10:00 AM, the sun's rays intensify further, reflecting a 9 on the scale, ultimately culminating in a high of 11 at 11:00 AM. The sun remains fierce until 1:00 PM, maintaining an 11 before declining in the late afternoon. As the day wanes, the UVI decreases, dropping to 4 at 4:00 PM, then 2 at 5:00 PM, and winding down to a mere 0 by 7:00 PM. It's a clear reminder to relish the sun's warmth early on while taking precautions during the midday peak.
| 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 | 11 | 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 | 4 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
Throughout the year, the UV Index in our region experiences significant seasonal changes, with high-risk months occurring from March to September. During this period, the UV Index peaks at 12 (extreme) from June to August, reducing burn time to a mere 10 minutes. The highest indices are recorded in May and June, indicating an urgent need for sun protection. As such, residents and visitors should take proactive measures, especially in March, April, and May, where the indices range from 9 to 11 (very high to extreme), with burn times decreasing to 15 minutes. Conversely, the risk subsides in winter months, with a moderate index of 5 in December, where burn times are more forgiving at 30 minutes. It’s crucial to stay vigilant during high-risk months, applying sunscreen, wearing protective clothing, and seeking shade when necessary to ensure 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 |
| Datou | 6 | 7 | 9 | 10 | 11 | 12 | 12 | 12 | 11 | 8 | 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 |