Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors in Xin'andu, China, where the Cfa climate exposes inhabitants to varying levels of ultraviolet radiation throughout the day. With peak UV levels reaching as high as 11 during midday, being aware of these fluctuations is vital for effective sunburn prevention and maintaining skin health. By monitoring the UV Index, individuals can make informed decisions to protect themselves during the sunniest hours, minimizing the risk of harmful skin damage while enjoying the beautiful outdoor lifestyle that Xin'andu has to offer.
The UV Index throughout the day showcases a remarkable rise, peaking impressively at 11 between noon and 1 PM. Starting with a modest 1 at 7 AM, the index escalates to around 3 by 8 AM and rapidly climbs, hitting 5 by 9 AM. The ascent continues as the sun reaches its zenith, soaring to 8 at 10 AM and breaching the 10 mark by 11 AM. As we reach peak sun hours, it stabilizes at 11 for both 12 PM and 1 PM, before gradually descending to 9 at 2 PM and tapering off to 7 by 3 PM. The latter part of the afternoon sees a gentle decline to 4 at 4 PM, finally returning to the morning's low of 1 by 6 PM, and maintaining this relaxed level through 7 PM. It's a vivid reminder of the sun's strength, urging outdoor enthusiasts to stay sun-smart during the intense midday hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 8 | very high | 15 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 4 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index demonstrates significant seasonal variations, indicating fluctuating risk levels for sun exposure. From January to February, the risk increases from moderate to high, with recommended burn times decreasing from 30 minutes to 25 minutes. The spring and early summer months, particularly from March to June, see a steep rise in the UV Index, peaking at 11 in July and August, classified as extreme, with burn times as short as 10 minutes. As autumn approaches, the index remains high, particularly in September (UV Index 10), before decreasing in November and December to moderate levels. Visitors and residents are advised to exercise caution, especially during March to August, when the risk of sunburn is highest. It is crucial to wear protective clothing, apply sunscreen regularly, and seek shade during peak sun hours to minimize health risks associated with UV exposure.
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 |
| Xin'andu | 5 | 6 | 8 | 10 | 10 | 10 | 11 | 11 | 10 | 8 | 6 | 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 |