Last updated: July 2, 2025
Understanding the UV Index in Zhangcha, China, is crucial for safeguarding your skin health and preventing sunburns. High UV levels can lead to serious skin damage, making it essential to stay informed about daily UV exposure. Zhangcha, located in a Cwa climate zone, experiences intense sunlight, particularly during peak hours from 10:00 AM to 2:00 PM, when the UV Index can reach up to 13. By monitoring the UV Index, residents and visitors alike can take proactive measures to protect themselves from harmful rays and enjoy the sun safely.
From 07:00 to 19:00, the UV Index exhibits a pronounced peak during midday hours, soaring to 13 between 12:00 and 13:00. The intensity rises steadily from a mild 1 at 07:00 to a substantial 12 at 11:00, indicating peak sun exposure just before noon. As the afternoon progresses, the index gradually declines, dropping to 5 by 16:00 and further to a safe 1 as the sun sets. With a dramatic increase during the late morning and early afternoon, it's crucial to stay protected against UV rays, especially when the index hits 9 and above between 10:00 and 14:00.
| 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 | 9 | very high | 15 min |
| 11:00 | 12 | extreme | 10 min |
| 12:00 | 13 | extreme | 10 min |
| 13:00 | 13 | extreme | 10 min |
| 14:00 | 11 | extreme | 10 min |
| 15:00 | 8 | very high | 15 min |
| 16:00 | 5 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV index levels fluctuate significantly, indicating varying risks for sun exposure. January and December experience lower UV indices of 7, categorized as high, with a burn time of 25 minutes. February marks the beginning of higher risks, peaking at 9, considered very high, and leading into March, where the UV index reaches an extreme 12, necessitating a burn time of only 10 minutes. This extreme exposure continues through May and June, maintaining a maximum index of 13. The summer months, particularly July, also reflect this intensity, with similar ratings sustained until August and September, where it drops slightly to 12 and 11, respectively. As the year winds down, October and November revert back to a very high index of 9-10, culminating the season's risks. Visitors and residents are strongly advised to take protective measures during the high-risk months of February through September, ensuring they limit their sun exposure, wear protective clothing, and apply sunscreen regularly to prevent skin damage.
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 |
| Zhangcha | 7 | 9 | 12 | 11 | 13 | 13 | 13 | 12 | 11 | 10 | 9 | 7 |
| 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 |