UV Index in Hongdu, China

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents and visitors in Hongdu, China, where the sun can be both a source of warmth and a potential risk for skin health. With UV levels soaring to a staggering 13 around midday, awareness of these readings is vital for effective sunburn prevention and long-term skin protection. Hongdu's Cfa climate brings warm summers and sufficient sunshine, which heightens UV exposure risks, especially during peak hours. Stay informed and make sun safety a priority to enjoy the vibrant outdoor lifestyle while safeguarding your skin!

Hourly UV Index in Hongdu

The UV Index displays a compelling curve throughout the day, beginning with a mild 1 at 7:00 AM, gradually rising to a moderate 2 by 8:00 AM. As the sun climbs higher, it peaks dramatically at 13 during noon and 1:00 PM, indicating a high risk for harm to unprotected skin. From there, the index gradually declines, dipping to a more manageable 6 by 4:00 PM, before falling back to 1 by 6:00 PM and remaining steady into the evening. This clear progression throughout the day emphasizes the importance of sun protection during peak hours, especially from 10 AM to 2 PM when UV levels are at their 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	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	9	very high	15 min
16:00	6	high	25 min
17:00	3	moderate	30 min
18:00	1	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Hongdu

The UV Index displays significant seasonal changes, indicating varying levels of sun exposure risk throughout the year. January and February start with a high UV Index (6-7) where unprotected skin can burn within 25 minutes. The risk escalates dramatically from March to September, peaking in July with an extreme UV Index of 13 and a burn time of just 10 minutes. Visitors and residents should take extra precautions during these summer months, ensuring they wear adequate sunscreen and protective clothing. In contrast, October and November see a decrease in UV levels (9 and 7, respectively), but caution is still necessary as burn times remain relatively short at 15-25 minutes. By December, the UV Index lowers to 5, categorizing exposure as moderate, allowing more time—30 minutes—before burning occurs. It’s essential for everyone to stay informed on local UV levels and adjust sun safety practices accordingly throughout the year.

Monthly Maximum UV Index for Hongdu, China

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

The table above highlights how UV exposure in Hongdu 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.

Hongdu'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
Hongdu	6	7	10	11	12	12	13	12	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