UV Index in Sanlei, China

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents and visitors in Sanlei, China, where the sun's intensity can pose significant health risks. With peak levels often reaching a dangerous 12 during midday hours, awareness of UV exposure is essential for preventing sunburn and protecting your skin health. Sanlei's BWk climate features dry, sunny conditions that can amplify UV radiation, making it vital to monitor daily UV levels to ensure safe outdoor activities. By staying informed, you can enjoy the beautiful weather while keeping your skin safe from harmful ultraviolet rays.

Hourly UV Index in Sanlei

As the sun rises, the UV Index gradually climbs, starting from a gentle 1 at 07:00. By 08:00, it reaches 2, signaling a bit more caution for early risers. The intensity peaks dramatically at 12:00, hitting a high of 12, and persists through 13:00 and 14:00, indicating very high risk of harm from unprotected sun exposure. As the day progresses, the UV intensity recedes, dropping to 4 by 17:00, before returning to the milder values of 2 at 18:00 and 1 at 19:00. This UV profile emphasizes the importance of sun protection, especially during the peak hours around noon, when the sun is most intense.

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	9	very high	15 min
12:00	12	extreme	10 min
13:00	12	extreme	10 min
14:00	12	extreme	10 min
15:00	9	very high	15 min
16:00	7	high	25 min
17:00	4	moderate	30 min
18:00	2	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Sanlei

Throughout the year, the UV Index experiences significant seasonal fluctuations, with the highest values observed from April to August. During this period, specifically from May to July, the UV Index peaks at 11 to 12, categorizing it as extreme, which means individuals can burn in just 10 minutes of sun exposure. Conversely, the months of January, November, and December show lower UV levels at 3 to 4, indicating a moderate risk with burn times up to 30 minutes. Visitors and residents are advised to exercise increased caution during the high-risk months of April to August, ensuring they wear protective clothing, sunscreen, and seek shade, especially during midday hours when the sun's rays are strongest.

Monthly Maximum UV Index for Sanlei, China

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

The table above highlights how UV exposure in Sanlei 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.

Sanlei'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
Sanlei	3	5	7	9	11	12	11	11	9	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