Last updated: June 2, 2025
Awareness of the UV Index is crucial for residents of Wantang, China, where the subtropical climate can bring intense sun exposure. Understanding UV levels is essential for preventing sunburn and maintaining overall skin health, especially during the peak hours when the index often reaches dangerous levels. Typically peaking at a staggering UV Index of 13 around midday, Wantang's climate heightens the risk of skin damage, making it vital for locals and visitors alike to stay informed and take necessary precautions against harmful ultraviolet rays. Embracing this knowledge empowers the community to enjoy the sunshine safely!
The UV Index throughout the day presents a fascinating picture of sun intensity. Starting at a mild 1 at 07:00, the index gradually climbs, reaching 3 by 08:00. As the morning progresses, it peaks at an impressive 13 at 12:00 and 13:00, signaling a critical time for sun protection. The intensity begins to decline in the afternoon, dropping to 8 by 15:00. By 18:00, it retreats back to 1, demonstrating the inevitable waning of sunlight as the day draws to a close. This data underscores the importance of being sun-smart, particularly between 10:00 and 15:00, when UV exposure is at its highest.
| 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 | 11 | 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 | 3 | moderate | 30 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV exposure levels significantly fluctuate, with high-risk months primarily occurring from February to September. The UV Index peaks during May to August, showcasing extreme levels at 13, where the burn time is a mere 10 minutes. March and April also exhibit extreme levels (11), emphasizing the importance of sun protection during these months. As temperatures rise, it’s crucial for visitors and residents alike to take necessary precautions such as wearing sunscreen, protective clothing, and seeking shade during peak hours. As the year progresses, the UV Index decreases, reaching very high levels in October and November. Notably, the burn times extend to 15 minutes in these months, but caution should still be exercised. In January and December, while the risk is lower, with the UV Index at 7 and 6 respectively, maintaining protective measures remains advisable.
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 |
| Wantang | 7 | 9 | 11 | 11 | 13 | 13 | 13 | 13 | 11 | 10 | 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 |