UV Index in Junshan, China

Last updated: May 3, 2025

Understanding the UV Index is crucial for residents of Junshan, China, where the warm, humid climate intensifies sun exposure risks. With peak ultraviolet radiation reaching a dangerous level of 10 during midday hours, being aware of UV levels can significantly aid in the prevention of sunburn and long-term skin damage. By recognizing how UV intensity fluctuates throughout the day, locals can better protect their skin and promote overall skin health. Stay informed to enjoy the beautiful Junshan sunshine safely!

Hourly UV Index in Junshan

As the sun rises, the UV Index gradually transitions from a mild 1 at 07:00 to an invigorating 3 by 08:00. The peak UV intensity hits its stride between 12:00 and 13:00, reaching a striking 10, a clear call for sun protection. As the afternoon progresses, the index begins to decline, tapering off to 8 at 14:00, 6 at 15:00, and eventually settling to a gentle 2 by 17:00. By evening, the UV levels dip back down, returning to a safe 1, indicating it's time to relax and enjoy the cooler, softer light of sunset.

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	7	high	25 min
11:00	9	very high	15 min
12:00	10	very high	15 min
13:00	10	very high	15 min
14:00	8	very high	15 min
15:00	6	high	25 min
16:00	4	moderate	30 min
17:00	2	low	45 min
18:00	1	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Junshan

Throughout the year, UV exposure varies significantly, with the highest levels occurring during the summer months. From March to August, the UV Index reaches very high to extreme levels, particularly peaking in June and July with an index of 12, which categorizes it as extreme, resulting in a burn time of just 10 minutes for unprotected skin. It's essential for visitors and residents to take precautions during these high-risk months; seek shade, wear protective clothing, and apply sunscreen generously. Conversely, the UV Index drops in the winter months, with January and December showing moderate levels (UV Index of 5 and 4 respectively), allowing for longer exposure times of 30 minutes before burning occurs. By staying informed about these seasonal changes, individuals can better protect themselves from harmful UV radiation year-round.

Monthly Maximum UV Index for Junshan, China

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

The table above highlights how UV exposure in Junshan 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.

Junshan'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
Junshan	5	6	8	9	10	11	12	12	10	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