Last updated: June 2, 2025
In Xisa, China, understanding the UV Index is crucial for safeguarding your health against harmful sunlight, especially given the region's Cwa climate which can lead to elevated UV exposure. With peak UV levels soaring to 14 between noon and 1 PM, awareness of the UV Index not only helps prevent painful sunburns but also plays a significant role in maintaining long-term skin health. As residents and visitors alike enjoy the sun, being informed about daily UV levels empowers you to take the necessary precautions and protect your skin from potential damage. Stay vigilant and prioritize your safety as the sun shines brightly in Xisa!
The UV Index throughout the day exhibits a dynamic range, reaching its peak during the midday hours. Starting off at a minimal 1 at 7:00 AM, the index gradually climbs to 2 at 8:00 AM, before making a significant leap to 4 by 9:00 AM. The intensity escalates rapidly, hitting 8 at 10:00 AM and soaring to a maximum of 14 by 12:00 PM. This high UV exposure is maintained until 1:00 PM, where it reaches its threshold of 14 once again. The afternoon brings a gradual decline, with the index dropping to 10 at 3:00 PM, and further down to 4 by 5:00 PM. As the sun begins to set, the UV levels settle again to 2 and return to a safe 1 by 7:00 PM. It’s crucial to stay protected during the peak hours, especially between 11:00 AM and 1:00 PM when the UV rays can be most harmful!
| 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 | 14 | extreme | 10 min |
| 13:00 | 14 | extreme | 10 min |
| 14:00 | 13 | extreme | 10 min |
| 15:00 | 10 | very high | 15 min |
| 16:00 | 7 | high | 25 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
The UV Index experiences significant seasonal changes, peaking between March and October, with the most hazardous levels occurring in the summer months of June and July, when the UV Index reaches 15 and is classified as extreme, allowing for a burn time of just 10 minutes. Visitors and residents should exercise caution during these months, as well as February and May, which also present high-risk conditions with very high to extreme exposure levels. From November to January, the UV Index drops, though January and February still pose risks with values of 8 and 10, respectively. To protect skin health, it is advised that everyone take necessary precautions, such as wearing sunscreen and protective clothing, especially during midday hours when UV radiation is strongest.
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 |
| Xisa | 8 | 10 | 12 | 13 | 14 | 14 | 15 | 14 | 13 | 12 | 9 | 7 |