UV Index in Caiyuan, China

Last updated: August 1, 2025

Understanding the UV Index is crucial for residents of Caiyuan, China, as it plays a vital role in safeguarding skin health and preventing sunburn. With the region's Dwb climate, characterized by distinct seasons and ample sunshine, awareness of varying UV levels throughout the day can make a significant difference in outdoor activities. Typically, the UV levels peak around midday, reaching a maximum of 10 between 12:00 PM and 1:00 PM, indicating a heightened risk for skin damage. By keeping an eye on the UV Index, you can enjoy the outdoors safely while protecting yourself from harmful rays.

Hourly UV Index in Caiyuan

The UV Index for the day starts off gently at 3 by 7:00 AM, gradually elevating as the sun climbs higher in the sky. By 9:00 AM, it reaches 7, signaling the onset of stronger rays. The peak occurs between 11:00 AM and 12:00 PM, where it hits a maximum of 10, indicating a high risk of harm from unprotected sun exposure. As the afternoon progresses, the index starts to decline, dipping to 5 by 3:00 PM and further to 1 by 5:00 PM, leading to a comfortable evening. As night falls at 7:00 PM, the UV index drops to 0, marking the end of sun-related concerns for the day. Remember to take precautions during peak hours to protect your skin!

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	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	4	moderate	30 min
16:00	2	low	45 min
17:00	1	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Caiyuan

Throughout the year, UV levels exhibit significant seasonal changes, with the highest risk months occurring from April to August, when the UV Index reaches very high levels (8-10) and the burn time drops to just 15 minutes. These months require heightened awareness and caution, as prolonged exposure can lead to skin damage. Conversely, January and December see the lowest UV exposure, categorized as low (Index 2), allowing for 45-minute burn times without immediate risk. Visitors and residents are advised to take protective measures, especially during the high-risk months; this includes wearing sunscreen, protective clothing, and seeking shade during peak hours to ensure safety against harmful UV radiation.

Monthly Maximum UV Index for Caiyuan, China

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

The table above highlights how UV exposure in Caiyuan 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.

Caiyuan'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
Caiyuan	2	3	6	8	8	9	10	10	8	6	3	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
Shenzhen UVI	7	10	12	12	14	13	13	13	12	11	9	7