UV Index in Dayuan, China

Last updated: May 3, 2025

Understanding the UV Index is crucial for residents of Dayuan, China, where the climate can lead to substantial ultraviolet exposure. Being aware of UV levels not only helps in preventing sunburn but also plays a vital role in maintaining long-term skin health. With a Cfa climate, Dayuan experiences significant sunlight throughout the year, particularly peaking between 11:00 AM and 1:00 PM, when UV levels can soar to an alarming 11—categorized as extreme. By recognizing and responding to these fluctuations, you can enjoy the outdoors while safeguarding your skin from potential damage.

Hourly UV Index in Dayuan

The UV Index throughout the day presents a dynamic picture of sun exposure. As early as 7:00 AM, the index starts at a mild 2, ramping up to a moderate 4 by 8:00 AM. The sun's intensity peaks around 11:00 AM and 12:00 PM with a striking 11, marking the height of caution for outdoor activities. As we move into the afternoon, the index gradually declines, dropping to 8 by 2:00 PM and further to 5 by 3:00 PM. The evening brings relief, with the UV Index decreasing to a 1 by 5:00 PM and finally hitting 0 by 7:00 PM. It’s clear that the midday hours pose the greatest risk, so sun safety measures are essential during those peak times.

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	7	high	25 min
10:00	9	very high	15 min
11:00	11	extreme	10 min
12:00	11	extreme	10 min
13:00	10	very high	15 min
14:00	8	very high	15 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	0	low	45 min

Monthly UV Index Trends in Dayuan

As the seasons change, so do UV Index levels, with the highest risks occurring from March to October. During this period, particularly May through August, the UV Index reaches extreme levels of 11 to 12, resulting in a burn time as low as 10 minutes. The high-risk months are March (9) and April (10), where the burn time decreases to 15 minutes, indicating a shift from moderate to very high exposure. In contrast, January and February see a high UV Index of 6 and 7, where burn time remains relatively longer at 25 minutes. To protect yourself, visitors and residents are advised to take precautions, including seeking shade and wearing protective clothing, especially during peak UV hours, which typically fall between 10 a.m. and 4 p.m. Pay attention to daily UV forecasts and always use sunscreen when outdoors, particularly during the high and extreme months.

Monthly Maximum UV Index for Dayuan, China

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

The table above highlights how UV exposure in Dayuan 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.

Dayuan'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
Dayuan	6	7	9	10	11	12	11	11	10	8	6	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