UV Index in Changchuan, China

Last updated: August 1, 2025

Understanding the UV Index is crucial for residents of Changchuan, China, where sun exposure can pose significant risks. With UV levels peaking at a striking 14 during midday, being aware of these figures is essential for preventing sunburn and maintaining healthy skin. The climate in Changchuan, classified as Dwb, brings a mix of warm summers and chilly winters, but the stronger sun exposure in summer months means locals must remain vigilant about UV risks. By keeping an eye on the UV Index, you can better protect yourself from harmful rays and enjoy sunny days safely.

Hourly UV Index in Changchuan

As the sun rises, the UV Index begins its ascent, starting at a modest 1 by 07:00. By 08:00, it climbs to 2, signaling the first hints of sun exposure. The day's intensity peaks around 12:00, when the index reaches a blistering 13, a reminder to take precautions. It continues to soar, hitting its highest point at 13:00 with a strong 14, before gradually descending as the afternoon fades into evening. By 17:00, the index drops to 4, then retreats to a safe 1 by 19:00. This hourly dance of the UV Index underscores the importance of staying vigilant under the sun, especially during the midday hours!

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	2	low	45 min
09:00	4	moderate	30 min
10:00	7	high	25 min
11:00	10	very high	15 min
12:00	12	extreme	10 min
13:00	13	extreme	10 min
14:00	12	extreme	10 min
15:00	10	very high	15 min
16:00	7	high	25 min
17:00	4	moderate	30 min
18:00	2	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Changchuan

Throughout the year, UV Index levels display significant seasonal variation, with notable high-risk months from February to September, when values peak at 14, indicating an extreme exposure category and a burn time of just 10 minutes. March and April mark a transition into very high and extreme categories, prompting increased caution. Residents and visitors should take important precautions during these months, including seeking shade, wearing protective clothing, and applying sunscreen liberally, especially during midday hours when UV radiation is strongest. As autumn arrives, UV Index levels gradually decline, returning to a moderate level by December. Staying informed about the forecasted UV Index is essential for ensuring skin safety year-round.

Monthly Maximum UV Index for Changchuan, China

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

The table above highlights how UV exposure in Changchuan 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.

Changchuan'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
Changchuan	4	7	9	13	14	14	14	13	12	9	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