UV Index in Ruidian, China

Last updated: July 2, 2025

In Ruidian, China, being aware of the UV Index is crucial for safeguarding your skin and overall health. With peak UV levels reaching a staggering 16 around midday, understanding these fluctuations can significantly help in preventing sunburn and lowering the risk of long-term skin damage. The city's Cwb climate brings warm summers with intense sunlight, emphasizing the importance of staying informed about UV exposure risks. By keeping an eye on the UV Index, residents can enjoy the outdoors while prioritizing their skin's protection and well-being.

Hourly UV Index in Ruidian

At sunrise, the UV Index is low, peaking at 1 between 07:00 and 08:00. As the day progresses, the sun climbs higher, and so does the UV intensity, reaching 3 by 09:00. The real surge begins at 10:00, when it spikes to 6, and continues to rise until it hits a blistering 14 at noon. The peak occurs at 13:00 with an impressive 16—a reminder to seek shade and wear protection. From there, the UV levels gradually decline, dropping to 9 by 16:00. As the day winds down, the index returns to a more moderate 3 at 18:00, before plummeting back to a safe 1 by 19:00. This data highlights the importance of sun safety, particularly during those midday hours when UV exposure 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	1	low	45 min
08:00	1	low	45 min
09:00	3	moderate	30 min
10:00	6	high	25 min
11:00	10	very high	15 min
12:00	14	extreme	10 min
13:00	16	extreme	10 min
14:00	15	extreme	10 min
15:00	13	extreme	10 min
16:00	9	very high	15 min
17:00	6	high	25 min
18:00	3	moderate	30 min
19:00	1	low	45 min

Monthly UV Index Trends in Ruidian

Throughout the year, the UV Index experiences significant fluctuations, with the highest risk occurring from March to October. During these months, particularly from May to July, the UV Index reaches its peak at 16, categorized as extreme, with a burn time of just 10 minutes. In contrast, January, February, and December present lower UV levels, though February still carries a very high risk with a maximum index of 9. Residents and visitors are strongly advised to take precautions during high-risk months, such as wearing protective clothing, applying sunscreen regularly, and seeking shade, especially between 10 a.m. and 4 p.m. when UV radiation is most intense. By staying informed and prepared, you can enjoy outdoor activities while minimizing the risk of harmful UV exposure.

Monthly Maximum UV Index for Ruidian, China

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

The table above highlights how UV exposure in Ruidian 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.

Ruidian'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
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
Ruidian	7	9	11	13	14	15	16	15	14	12	9	7