Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors in Yidu, China, a city characterized by its Cfa climate, which brings warm summers and ample sunshine. Being aware of UV levels helps in preventing sunburn, protecting skin health, and reducing the risk of long-term damage from UV radiation. In Yidu, UV exposure can soar, reaching a peak index of 13 around noon, underscoring the importance of taking precautions during peak hours. By staying informed about the UV Index, you can enjoy the sunny days safely and maintain healthy skin.
The UV Index showcases a dynamic increase throughout the day, peaking at 13 around 12:00 PM. Starting from a gentle 1 at 7:00 AM, the index steadily climbs as the sun ascends, reaching 6 by 9:00 AM. The intensity becomes palpable by 11:00 AM with a sharp rise to 12, before hitting its zenith at 13 at noon, prompting caution for outdoor activities. As the afternoon unfolds, the levels begin to decline, dipping to 10 by 2:00 PM and gradually falling to 0 by 7:00 PM, signaling safer conditions for evening strolls. It’s essential to stay protected during the midday hours when the sun's rays are most intense!
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 3 | moderate | 30 min |
09:00 | 6 | high | 25 min |
10:00 | 9 | very high | 15 min |
11:00 | 12 | extreme | 10 min |
12:00 | 13 | extreme | 10 min |
13:00 | 12 | extreme | 10 min |
14:00 | 10 | very high | 15 min |
15:00 | 7 | high | 25 min |
16:00 | 4 | moderate | 30 min |
17:00 | 2 | low | 45 min |
18:00 | 1 | low | 45 min |
19:00 | 0 | low | 45 min |
Throughout the year, UV Index levels exhibit significant seasonal variation, peaking in the summer months. The high-risk months are generally from February through September, during which the UV Index reaches extreme levels (12-13), with a notably short burn time of just 10 minutes. In particular, March to August stand out as critical periods for sun exposure. Residents and visitors are advised to take precautionary measures during these months, such as applying high-SPF sunscreen, wearing protective clothing, and seeking shade to minimize UV exposure. Conversely, in January, October, November, and December, while the UV Index drops to high (7) or very high (9-10), residents should still remain vigilant, with burn times increasing to 15 or 25 minutes. Overall, prioritizing sun safety year-round is essential to protect skin health.
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 |
Yidu | 7 | 9 | 12 | 12 | 13 | 13 | 13 | 13 | 11 | 10 | 9 | 7 |
Shenzhen UVI | 7 | 10 | 12 | 12 | 14 | 13 | 13 | 13 | 12 | 11 | 9 | 7 |