UV Index in Changtan, China

Last updated: May 3, 2025

Understanding the UV Index in Changtan, China is crucial for protecting your skin and overall health. With UV levels fluctuating throughout the day—reaching a maximum of 13 between noon and 1 PM—awareness can help prevent sunburn and long-term skin damage. Changtan's Cfa climate exposes residents and visitors to significant sun intensity, highlighting the need for vigilance against harmful UV rays. By monitoring UV levels, you can enjoy outdoor activities safely while prioritizing your skin’s well-being.

Hourly UV Index in Changtan

As the sun rises, the UV Index starts off low at 1 at 07:00 but quickly gains momentum. By 09:00, the index surges to 6, signaling the onset of midday intensity. The peak arrives at 12:00, where it reaches a striking 13—a time when sun safety becomes crucial. As the afternoon rolls in, the levels gradually taper, dipping to 10 by 14:00, then dropping to 6 by 15:00. A gentle decline continues into the evening, with readings falling to 1 at 18:00 and finally settling at 0 by 19:00. It's a vivid reminder of the sun's power; staying protected during the peak hours is essential!

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	6	high	25 min
10:00	9	very high	15 min
11:00	12	extreme	10 min
12:00	13	extreme	10 min
13:00	12	extreme	10 min
14:00	10	very high	15 min
15:00	6	high	25 min
16:00	4	moderate	30 min
17:00	2	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Changtan

The UV Index varies significantly throughout the year, with peak levels occurring from May to September. During these months, the index reaches extreme levels, peaking at 14 in August, which translates to a burn time of just 10 minutes. The highest risk months are therefore from February to September, particularly in spring and summer, when daily exposure can lead to serious skin damage in a very short time. Even during October and November, the UV levels remain high, categorized as very high with a burn time of 15 minutes. Visitors and residents should take precautions by seeking shade, wearing protective clothing, and using sunscreen to minimize their risk of UV exposure, especially during these high-risk months.

Monthly Maximum UV Index for Changtan, China

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

The table above highlights how UV exposure in Changtan 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.

Changtan'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
Changtan	7	9	12	12	13	13	13	14	12	10	9	7
Shenzhen UVI	7	10	12	12	14	13	13	13	12	11	9	7