UV Index in Shiyan, China

Last updated: July 2, 2025

Understanding the UV Index in Shiyan, China is crucial for maintaining skin health and preventing sunburn, especially in a region known for its Cwa climate. With UV levels reaching peaks of 11 during midday, the risks of overexposure are significant. Familiarity with daily UV fluctuations helps residents and visitors take proactive measures, such as wearing sunscreen or protective clothing, to safeguard their skin from harmful rays. Being aware of these UV exposure risks is essential for enjoying the sun safely in Shiyan's beautiful outdoor settings.

Hourly UV Index in Shiyan

As the day unfolds, the UV Index reveals its dynamic character, starting gently at 1 by 7:00 AM. By 9:00 AM, it climbs to 4, signaling the need for some sun protection. The sun’s intensity peaks at 12:00 PM and 1:00 PM, hitting a striking maximum of 11, marking a time when precautions become crucial. Following this midday surge, the index gradually descends, dropping to 5 by 4:00 PM and tapering to 1 by 7:00 PM. This pattern highlights the importance of being sun-smart during peak hours, especially when the UV levels are at their highest!

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	2	low	45 min
09:00	4	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	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 Shiyan

The UV Index varies throughout the year, indicating significant seasonal changes in sun exposure risk. From January to February, the UV Index remains steady at 5 (moderate), with a burn time of 30 minutes. However, as spring approaches, the UV Index surges to 8 in March and peaks at 11 during the summer months of May to August, classified as extreme with a notably reduced burn time of only 10 minutes. The risk begins to taper off in September (UV Index 10) and October (UV Index 8), before reverting to moderate levels in November and December. Visitors and residents alike are strongly advised to take extra precautions, especially during the high-risk months from March to October, by wearing sunscreen, protective clothing, and seeking shade to avoid harmful UV exposure.

Monthly Maximum UV Index for Shiyan, China

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Shiyan. 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 Shiyan, 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 Shiyan UV Index with Other China Cities

The table above highlights how UV exposure in Shiyan 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.

Shiyan'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
Shiyan	5	5	8	9	11	11	11	11	10	8	5	4
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