UV Index in Sanjia, China

Last updated: June 2, 2025

Understanding the UV Index in Sanjia, China is crucial for maintaining skin health and preventing sunburn. With the region's Cfa climate, characterized by hot summers and high sun exposure, knowing the UV levels throughout the day can help residents and visitors alike take necessary precautions. As the UV Index peaks between 10 AM and 1 PM, reaching levels as high as 12, it’s essential to plan outdoor activities wisely to minimize the risk of harmful effects from ultraviolet radiation. Staying informed about these levels not only contributes to personal well-being but also fosters a greater awareness of sun safety practices in our community.

Hourly UV Index in Sanjia

As the sun rises, the UV Index begins its steady ascent, starting at a mild 2 at 7:00 AM. By 9:00 AM, it reaches a notable 7, signaling the need for sun protection. The peak occurs at 11:00 AM and 12:00 PM, where it hits a maximum of 12, indicating dangerously high levels of UV radiation. After this midday zenith, the index gradually declines, dropping to 6 by 3:00 PM and further to 1 by 5:00 PM, ultimately reaching 0 at sunset. This hourly progression emphasizes the importance of vigilance against UV exposure, particularly during the late morning to early afternoon when the risk is at its 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	2	low	45 min
08:00	4	moderate	30 min
09:00	7	high	25 min
10:00	10	very high	15 min
11:00	12	extreme	10 min
12:00	12	extreme	10 min
13:00	11	extreme	10 min
14:00	8	very high	15 min
15:00	6	high	25 min
16:00	3	moderate	30 min
17:00	1	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Sanjia

As the seasons change, UV exposure fluctuates significantly, with the highest risk occurring from March to September. During this period, the UV Index peaks in July and August at a staggering 13, categorizing these months as extremely high risk with only 10 minutes of safe exposure before sunburn occurs. In contrast, the burn time increases to 25 minutes in January, February, and November, when the UV Index is lower at 6 and 7. It’s essential for visitors and residents to take precautionary measures during the high-risk months by wearing protective clothing, applying sunscreen regularly, and seeking shade, particularly around midday when UV rays are at their strongest. As the season shifts towards October and December, caution remains advisable, though UV levels moderate and burn times increase, highlighting the importance of seasonal awareness in sun safety.

Monthly Maximum UV Index for Sanjia, China

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

The table above highlights how UV exposure in Sanjia 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.

Sanjia'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
Sanjia	6	7	10	11	12	12	13	13	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