Last updated: June 2, 2025
In Haitou, China, being aware of the UV Index is crucial for safeguarding your skin health while enjoying the vibrant sun. Understanding UV levels helps in preventing sunburn and long-term skin damage, making it an essential aspect of outdoor activities. With a tropical climate characterized by high UV exposure, particularly during midday hours, it’s vital to stay informed about the UV Index. For instance, in Haitou, UV levels peak dramatically, reaching a high of 13 around 1 PM. By monitoring these levels, you can take proactive measures to protect yourself and enjoy a healthier relationship with the sun.
The UV Index for today showcases a dramatic rise in intensity as the hours progress. Starting from a modest 1 at 07:00, it quickly escalates to 2 by 08:00, then surges to 4 by 09:00. The peak occurs at 12:00, where it reaches an impressive 12, making it crucial to take sun safety precautions. Continuing its ascent, the index hits a high of 13 at 13:00 before gradually declining, dropping back to 11 at 14:00. As the afternoon wanes, the values retract to 8 by 15:00, 5 by 16:00, and further down to 3 at 17:00. Finally, as twilight approaches, the index settles low at 1 by 18:00 and remains steady through 19:00. Ensuring protection during the peak hours is essential to safeguard against harmful UV exposure.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 8 | very high | 15 min |
| 11:00 | 11 | extreme | 10 min |
| 12:00 | 12 | 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, the UV Index exhibits significant seasonal variation, with particularly high levels from February to October. The months of March to May, along with August, demonstrate the most severe UV exposure, classified as extreme, with an alarming UV Index peaking at 14 in May and August. High-risk months include February, March, April, May, June, July, August, September, and October, where the burn time is notably short, limited to just 10 minutes of unprotected sun exposure. Residents and visitors are strongly advised to take protective measures during these months, such as wearing sunscreen, protective clothing, and hats, and seeking shade where possible to prevent skin damage and maintain health. January, November, and December see a slight reduction in UV levels; however, caution remains essential as they are still categorized as very high.
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 |
| 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 |
| Haitou | 8 | 11 | 12 | 13 | 14 | 13 | 13 | 14 | 13 | 12 | 9 | 8 |