UV Index in Dayu, China

Last updated: August 1, 2025

Understanding the UV Index in Dayu, China, is essential for protecting your skin and overall health from the harmful effects of ultraviolet radiation. With peak UV levels soaring to a critical 14 during midday hours, awareness of these readings can significantly aid in sunburn prevention and long-term skin health. Dayu's diverse Dwb climate presents unique challenges, as the risks of overexposure increase with clear skies and elevated altitudes. By staying informed about UV levels, you can enjoy the outdoors safely while safeguarding your skin against damage.

Hourly UV Index in Dayu

The UV Index for the day showcases a dramatic rise in intensity as the sun climbs higher in the sky. Starting at a gentle 1 at 07:00, the index escalates rapidly, reaching 4 by 09:00. The peak occurs at 13:00 with a scorching 14, making it crucial for sun safety during these hours. As the afternoon progresses, the UV levels start to decline, with a notable drop to 10 by 15:00 and further to 2 by 18:00. This gradual fade into the evening brings the UV index back down to 1 by 19:00, marking a day where protection against the sun is essential from late morning to early afternoon.

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

Monthly UV Index Trends in Dayu

Throughout the year, the UV Index experiences significant fluctuations, highlighting the importance of sun safety for visitors and residents alike. The high-risk months for UV exposure are from February to September, where the index peaks at 15 in May. During these months, the exposure categories range from very high to extreme, with a burn time decreasing dangerously to just 10 minutes in many cases. It is crucial for individuals to take precautionary measures, such as wearing protective clothing, applying sunscreen regularly, and seeking shade, especially during these high-risk months. Conversely, the UV Index drops to moderate levels in January and December, allowing for longer safe exposure times of 30 minutes, although vigilance is still advised as conditions can change swiftly.

Monthly Maximum UV Index for Dayu, China

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

The table above highlights how UV exposure in Dayu 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.

Dayu'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
Dayu	5	8	11	14	15	14	14	13	12	10	7	4
Shenzhen UVI	7	10	12	12	14	13	13	13	12	11	9	7