UV Index in Dayou, China

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents and visitors of Dayou, China, where the combination of its humid subtropical climate (Cwa) and elevated UV levels can significantly impact skin health. With peak UV Index values reaching as high as 10 around midday, awareness of these levels is essential for effective sunburn prevention and overall skin protection. By knowing when UV exposure is at its highest, you can make informed decisions to safeguard your skin and enjoy the sunny days of Dayou while minimizing health risks associated with UV radiation.

Hourly UV Index in Dayou

As the sun rises, the UV Index begins its steady ascent, starting at a modest 2 by 7:00 AM. By 8:00 AM, it climbs to 4, signaling the start of a more intense day. The index peaks at a striking 10 between 11:00 AM and 12:00 PM, indicating the highest levels of ultraviolet radiation and highlighting the need for sun protection. As the afternoon unfolds, the UVI gradually declines from 9 at 1:00 PM to 5 by 3:00 PM, before retreating to a low of 1 by 5:00 PM and remaining stable through the evening. This hourly progression not only reflects the sun's power but also serves as a reminder to stay vigilant and protect your skin during the peak hours of exposure.

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	2	low	45 min
08:00	4	moderate	30 min
09:00	6	high	25 min
10:00	8	very high	15 min
11:00	10	very high	15 min
12:00	10	very high	15 min
13:00	9	very high	15 min
14:00	7	high	25 min
15:00	5	moderate	30 min
16:00	3	moderate	30 min
17:00	1	low	45 min
18:00	1	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Dayou

Throughout the year, the UV Index experiences seasonal fluctuations that highlight varying levels of sun exposure risk. The months of July and August are classified as high-risk, with UV Index levels peaking at 11 (extreme) and a burn time of just 10 minutes. This is preceded by April and May, where UV Index levels reach 9 and 10 (very high), with burn times dropping to 15 minutes. In contrast, the winter months of January, February, and December see moderate UV exposure, where the burn time extends to 30 minutes. Residents and visitors are advised to take precautions during the high-risk months, including seeking shade, wearing protective clothing, and applying sunscreen regularly to mitigate the health risks associated with high UV exposure.

Monthly Maximum UV Index for Dayou, China

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

The table above highlights how UV exposure in Dayou 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.

Dayou'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
Dayou	4	5	7	9	10	10	11	11	9	7	5	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