UV Index in Dayan, China

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents and visitors of Dayan, China, as it plays a key role in safeguarding skin health and preventing sunburn. With a Cfa climate that often results in high UV exposure, especially during peak hours, being aware of UV levels helps individuals take necessary precautions. For instance, between 11:00 AM and 1:00 PM, the UV Index soars to a maximum of 12, indicating a very high risk of harm from unprotected sun exposure. By learning about the UV Index, you can enjoy the beautiful days in Dayan while keeping your skin safe from potential damage.

Hourly UV Index in Dayan

The UV Index varies significantly throughout the day, peaking from 12:00 PM to 1:00 PM with a striking 12. Early morning starts off mild, reaching a maximum of 1 at 7:00 AM before climbing through the hours. At 9:00 AM, it hits 5, and by 10:00 AM, it intensifies to 8. The sun's intensity continues to rise, attaining its highest points at 11:00 AM and 12:00 PM, with the index hitting 10 and 12, respectively. As the afternoon progresses, a gradual decline begins; by 3:00 PM, it dips to 8, then further to 5 at 4:00 PM. The UV Index settles back down to 3 by 5:00 PM and returns to 1 as evening approaches, illustrating the importance of sun protection, particularly during the peak hours of midday.

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	3	moderate	30 min
09:00	5	moderate	30 min
10:00	8	very high	15 min
11:00	10	very high	15 min
12:00	12	extreme	10 min
13:00	12	extreme	10 min
14:00	10	very high	15 min
15:00	8	very high	15 min
16:00	5	moderate	30 min
17:00	3	moderate	30 min
18:00	1	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Dayan

Throughout the year, UV Index levels demonstrate significant seasonal variations, with the highest risks occurring from April to September. During this period, the UV Index reaches extreme levels, peaking at 13 in July and remaining above 11 for several months. Notably, February and March also present high to very high UV risks, necessitating caution. Residents and visitors are advised to protect their skin by minimizing sun exposure, especially between 10 AM and 4 PM, wearing protective clothing, and applying broad-spectrum sunscreen. As UV levels decrease in the cooler months, with a moderate category in December, it's still wise to stay vigilant, particularly during early winter when UV levels are unexpectedly higher than anticipated.

Monthly Maximum UV Index for Dayan, China

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

The table above highlights how UV exposure in Dayan 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.

Dayan'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
Dayan	7	8	8	11	12	12	13	12	11	9	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