Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors in Nanhai, China, as it serves as a vital indicator of sun exposure risk. With solar radiation levels peaking between 10 AM and 2 PM, where UV Index values can soar up to 13, knowledge of these levels is essential for preventing sunburn and maintaining skin health. Nanhai's Cwa climate not only offers beautiful sunny days but also presents significant UV exposure risks, particularly during the summer months. Being aware of the UV Index empowers you to take effective measures to protect your skin and enjoy the outdoors safely!
The UV Index reveals a dynamic range throughout the day, peaking sharply around noon. Starting from a mild 1 at 7:00 AM, the intensity escalates rapidly, reaching a moderate 5 by 9:00 AM. As the sun climbs higher, the index skyrockets to an intense 13 by 12:00 PM, maintaining this level until 1:00 PM. A gradual decline follows, with the index dropping to 11 at 2:00 PM and then tapering off to 8 at 3:00 PM. By the late afternoon and into the evening, the UV levels sink back to a safe 2 at 5:00 PM, culminating in a gentle return to 1 by 6:00 PM. It’s a day in which sun safety is paramount during the peak hours, particularly between 11:00 AM and 1:00 PM.
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 2 | low | 45 min |
09:00 | 5 | moderate | 30 min |
10:00 | 8 | 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 levels fluctuate significantly, with peak intensity occurring from March to October. The highest risks are noted during the summer months of May through August, where the UV Index consistently reaches 13 or higher, categorized as extreme, and the recommended burn time drops to just 10 minutes. February also presents a high risk with an Index of 10, while November sees a decrease to 9, still categorized as very high. Residents and visitors should take precautions during the high-risk months by seeking shade, wearing protective clothing, and regularly applying sunscreen to minimize skin damage. As a general rule, it's crucial to be vigilant with sun protection from March to October, especially during peak hours between 10 AM and 4 PM.
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 |
Nanhai | 7 | 10 | 12 | 12 | 13 | 13 | 13 | 14 | 12 | 12 | 9 | 7 |