Last updated: June 2, 2025
Understanding the UV Index in Karjaw, China is vital for maintaining optimal skin health and preventing sunburn. With the region's BWk climate, sunny days can lead to significant UV exposure, especially between 10 AM and 2 PM when the index peaks at 9. By staying informed about the daily UV levels, residents and visitors can take necessary precautions to enjoy the outdoors while protecting their skin from harmful rays. Awareness of these UV levels not only helps in avoiding immediate discomfort but also plays a critical role in long-term skin health. Whether you're enjoying a leisurely stroll or engaging in outdoor activities, keeping an eye on the UV Index is essential for your safety under the sun.
As the sun rises, the UV Index begins to climb, marking a steady ascent from a gentle 2 at 07:00 to a peak of 9 between 11:00 and 13:00. This midday high signifies a time when sun precautions are essential. The intensity then gradually declines, dipping to 8 at 14:00, and further softening to 6 by 15:00. As the afternoon fades, the UV Index continues to drop, reaching 4 at 16:00 and eventually settling at a safe 1 by 18:00 and 19:00. Stay sun-safe during the peak hours to enjoy the sunlight responsibly!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 7 | high | 25 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 9 | very high | 15 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 8 | 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 | 1 | low | 45 min |
Throughout the year, UV levels exhibit significant seasonal changes that are crucial for residents and visitors to consider. From January to February, the UV Index remains low to moderate, with burn times ranging from 30 to 45 minutes. However, March marks the beginning of higher UV risks with an Index rising to 6-7 and burn times decreasing to 25 minutes. The highest risk occurs from May to August, where the UV Index peaks at 10 during May and stays at 9 for June, July, and August, necessitating protective measures as burn times drop to just 15 minutes. As fall approaches, September sees a decrease to a high risk of 7, followed by a return to moderate levels in October before dropping back to low in November and December. Visitors and residents should take extra caution from March through September, especially during peak months, by wearing sunscreen, protective clothing, and limiting sun exposure during the highest UV times.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Karjaw | 2 | 3 | 6 | 7 | 10 | 9 | 9 | 9 | 7 | 4 | 2 | 2 |
| 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 |