UV Index in Kaiyun, China

Last updated: June 2, 2025

Understanding the UV Index in Kaiyun, China is crucial for everyone looking to protect their skin from harmful ultraviolet rays. Being aware of UV levels not only aids in preventing sunburn but also plays a vital role in maintaining long-term skin health. With Kaiyun's Cfa climate, characterized by warm summers and ample sunshine, residents and visitors alike face significant UV exposure risks, especially during peak hours. For instance, the UV Index can soar to a staggering 12 at noon, underscoring the importance of sun safety measures to enjoy the outdoors without compromising your well-being.

Hourly UV Index in Kaiyun

As the sun rises, the UV Index begins to climb, reaching a maximum of 12 by midday. At 07:00, the index starts at a gentle 1, making it a safe time for early risers. However, by 10:00, it escalates quickly to 8, signaling the need for sun protection. The peak intensity occurs from 11:00 to 13:00, where it hits 10 and 12, respectively—ideal times for seeking shade or applying sunscreen. As the afternoon progresses, the index declines, dropping to 7 by 15:00 and gently tapering to 1 by 19:00. Overall, it’s crucial to stay mindful of the sun's strength during these busy hours to protect your skin effectively.

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	7	high	25 min
16:00	4	moderate	30 min
17:00	2	low	45 min
18:00	1	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Kaiyun

Seasonal UV changes indicate a significant increase in UV Index from January to July, with the highest levels occurring during the summer months of May to July, which are categorized as extreme (UV Index levels 11-13). The high-risk months for UV exposure are March through August, particularly when UV levels reach very high and extreme ranges. During these periods, burn times are notably short, with only 10-15 minutes recommended for safe sun exposure. Visitors and residents should take precautions by wearing sunscreen, protective clothing, and seeking shade during peak sunlight hours to minimize the risk of skin damage. As the year progresses into October and November, UV exposure decreases, but caution should still be maintained in January and February, where high UV levels persist.

Monthly Maximum UV Index for Kaiyun, China

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

The table above highlights how UV exposure in Kaiyun 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.

Kaiyun'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
Kaiyun	6	7	9	10	11	12	13	12	10	9	7	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