UV Index in Yishi, China

Last updated: June 2, 2025

Understanding the UV Index is essential for residents of Yishi, China, where the unique Cwa climate brings significant exposure to ultraviolet radiation, especially during the summer months. Being aware of UV levels can help you prevent sunburn and maintain skin health, particularly when the UV Index peaks at an alarming 11 between noon and early afternoon. This heightened risk emphasizes the importance of taking protective measures during these hours to safeguard against the harmful effects of overexposure. With UV levels rising quickly from mid-morning, it's crucial for locals to stay informed and adopt sun-safe strategies to enjoy the outdoors while prioritizing skin protection.

Hourly UV Index in Yishi

As the sun rises, the UV Index begins its ascent, starting at a gentle 1 by 7:00 AM. By 8:00 AM, it climbs to a moderate 3, signaling an increase in sun exposure. The peak arrives between 12:00 PM and 1:00 PM, hitting a striking 11, where protective measures are essential. As the afternoon rolls in, the index gradually declines, dipping to 9 at 2:00 PM and then down to 5 by 4:00 PM. As the day winds down, it returns to a safe 1 by 6:00 PM, wrapping up a day marked by a significant solar intensity that calls for vigilance during the peak hours.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
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	9	very high	15 min
12:00	11	extreme	10 min
13:00	11	extreme	10 min
14:00	9	very high	15 min
15:00	7	high	25 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

Monthly UV Index Trends in Yishi

The UV Index varies significantly throughout the year, with high-risk months primarily occurring from March to September. During this period, the UV Index reaches its peak at 11 in both May and June, categorizing exposure as extreme and reducing the safe burn time to just 10 minutes. Care should be taken particularly in April, when the Index climbs to 8 (very high) and in July and August, both remaining in the very high range at 10 and 9, respectively. Visitors and residents are advised to use adequate sun protection, including sunscreen, hats, and protective clothing, particularly during these months when the risk of skin damage is greatest. Conversely, the UV Index drops to moderate levels in January, February, November, and December, allowing for longer safe exposure times of 30 minutes. However, vigilance is still recommended to maintain skin health year-round.

Monthly Maximum UV Index for Yishi, China

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Yishi. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.

Data source: Statistical UV Index data for Yishi, based on information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

Compare Yishi UV Index with Other China Cities

The table above highlights how UV exposure in Yishi compares to other major locations across China. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.

Yishi's solar exposure compared to other cities in China. Generated using Copernicus Atmosphere Monitoring Service information.
	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
Yishi	3	5	7	8	11	11	10	9	8	7	4	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