UV Index in Changtan, China

Last updated: July 2, 2025

Understanding the UV Index in Changtan, China is crucial for safeguarding your skin and overall health. With the region's Cfa climate, which features hot summers and moderate precipitation, residents and visitors alike face significant UV exposure. The UV levels can soar dramatically throughout the day, peaking at a heightened 13 around noon. This highlights the importance of awareness; knowing UV Index readings can help prevent sunburn and long-term skin damage. Stay informed and take the necessary precautions to protect yourself from the sun's harmful rays while enjoying all that Changtan has to offer!

Hourly UV Index in Changtan

The UV Index showcases a dynamic increase throughout the day, peaking at 13 around 12:00 PM. Starting from a gentle 1 at 7:00 AM, the index steadily climbs as the sun ascends, reaching 6 by 9:00 AM. The intensity becomes palpable by 11:00 AM with a sharp rise to 12, before hitting its zenith at 13 at noon, prompting caution for outdoor activities. As the afternoon unfolds, the levels begin to decline, dipping to 10 by 2:00 PM and gradually falling to 0 by 7:00 PM, signaling safer conditions for evening strolls. It’s essential to stay protected during the midday hours when the sun's rays are most intense!

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	7	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