UV Index in Sanxi, China

Last updated: June 2, 2025

Understanding the UV Index in Sanxi, China is crucial for safeguarding your skin against harmful ultraviolet rays. During the sunny months, high UV levels can lead to sunburn and long-term skin health issues if proper precautions are not taken. In Sanxi's humid subtropical climate, UV exposure peaks around midday, often reaching dangerous levels, with values soaring to 12 by noon and 13 in the early afternoon. By staying informed about the UV Index, residents and visitors can make better choices to protect themselves from potential skin damage—ensuring a healthier and more enjoyable outdoor experience.

Hourly UV Index in Sanxi

The UV Index throughout the day reveals a striking pattern of intense solar exposure. Starting at 7:00 AM with a low index of 1, the sun's rays gradually intensify, reaching a notable 5 by 9:00 AM. By 11:00 AM, the intensity peaks at an impressive 11, with 12 reached by noon, before hitting a maximum of 13 at 1:00 PM. As the afternoon progresses, the UV levels begin to decline, dropping to 11 by 2:00 PM, then tapering to 8 at 3:00 PM. The sun's intensity wanes into the evening, concluding with a gentle 1 at 6:00 PM and remaining steady until 7:00 PM. Stay protected! With such high UV levels peaking around midday, it's crucial to embrace sun safety measures during those 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	8	very high	15 min
11:00	11	extreme	10 min
12:00	12	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	3	moderate	30 min
18:00	1	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Sanxi

The UV Index experiences significant seasonal variability, peaking in the summer months. From March to September, the UV Index consistently hits extreme levels (10 or above), indicating a higher risk of harm from unprotected sun exposure. In particular, April to August sees monthly values reaching as high as 13, with a very quick burn time of just 10 minutes. January and December provide some relief, with moderate values of 5, while November has a high index of 7, requiring caution. February, at 6, and October, dropping back to 9, signal a transition towards safer conditions. Visitors and residents are advised to take protective measures, such as wearing sunscreen and seeking shade, especially during the high-risk months of April through September, when sun safety is critical.

Monthly Maximum UV Index for Sanxi, China

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

The table above highlights how UV exposure in Sanxi 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.

Sanxi'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
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
Sanxi	5	6	9	11	12	13	12	12	11	9	7	5
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