UV Index in Chongxing, China

Last updated: June 2, 2025

In Chongxing, China, being aware of the UV Index is crucial for maintaining healthy skin and preventing sunburn. Understanding UV levels can help residents and visitors alike safeguard their skin from harmful rays, especially when the index peaks during mid-day hours, reaching a high of 13 between noon and 1 PM. With a Cwa climate, characterized by distinct seasons and moderate sunshine, the potential for UV exposure can be significant, underscoring the need for vigilance. Stay informed and protect yourself against the sun's intensity to ensure a safer, healthier experience outdoors!

Hourly UV Index in Chongxing

The UV Index during the day reveals a notable peak in sun exposure. Starting at 07:00 with a gentle 1, it gradually climbs to 2 by 08:00. As the sun rises higher, the index surges dramatically, hitting 5 at 09:00, and reaching a striking 8 by 10:00. The intensity peaks at 12:00 with a scorching 13, remaining high until 13:00. After that, it starts to decline, returning to 11 at 14:00 and falling to 8 by 15:00. As the afternoon wanes, the index drops to 5 at 16:00, and finally settles back to 1 by 18:00 and 19:00. This data highlights the importance of sun safety measures during the 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	2	low	45 min
09:00	5	moderate	30 min
10:00	8	very high	15 min
11:00	11	extreme	10 min
12:00	13	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	2	low	45 min
18:00	1	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Chongxing

Throughout the year, UV Index levels fluctuate, with the highest readings observed from March to October, where the Index consistently remains in the extreme category. The peak occurs in May, July, and August, reaching UV Index 14 and necessitating a burn time of just 10 minutes before skin damage can occur. The high-risk months are therefore considered February through October, particularly as exposure risks elevate during this period. As such, it is crucial for visitors and residents to take precautions during these months, such as wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade during peak hours to minimize UV exposure and protect skin health. In contrast, January, November, and December see slightly lower levels, categorized as very high, but precautions should still be observed with burn times extending to 15 minutes.

Monthly Maximum UV Index for Chongxing, China

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

The table above highlights how UV exposure in Chongxing 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.

Chongxing'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
Chongxing	9	11	12	13	14	13	14	14	13	12	9	8