Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors in Sigou, China, where the Cwa climate brings a unique mix of seasons and UV exposure risks. With UV levels peaking at 11 around midday, effective sunburn prevention is vital for maintaining healthy skin, especially during the intense sun hours. By staying informed about daily UV fluctuations, you can take proactive measures to protect yourself from harmful effects and enjoy the vibrant outdoor life Sigou has to offer. Remember, awareness is the first step to safety in the sun!
As the sun rises, the UV Index begins at a gentle 1 at 7:00 AM, but it quickly escalates as the day progresses. By 10:00 AM, the index reaches 7, signaling a significant increase in UV radiation. The peak occurs at 12:00 PM and 1:00 PM, when it hits a striking 11, indicating very high risk of harm from unprotected sun exposure. As the afternoon unfolds, the index gradually declines, settling at 8 by 3:00 PM, then tapering off to 1 again by 7:00 PM. It's clear that midday is the time for caution—make sure to protect your skin during those hours!
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 | 7 | high | 25 min |
11:00 | 10 | very high | 15 min |
12:00 | 11 | extreme | 10 min |
13:00 | 11 | extreme | 10 min |
14:00 | 10 | very high | 15 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 fluctuate significantly, peaking during the warmer months. The highest UV Index occurs from May to August, with an extreme rating of 11, indicating a burn time of just 10 minutes—these months pose the greatest risk for skin damage. As summer transitions into fall, the Index gradually declines, with September and October seeing very high levels of 10 and 8, respectively, where burn times increase slightly to 15 minutes. In contrast, winter months like January, February, and December present moderate UV conditions with burn times stretching to 30 minutes. Visitors and residents should take extra precautions during high-risk months by wearing protective clothing, applying sunscreen frequently, and seeking shade to mitigate the risks associated with intense UV radiation.
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 |
Sigou | 4 | 5 | 8 | 9 | 11 | 11 | 11 | 11 | 10 | 8 | 5 | 3 |
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 |