UV Index in Chang'an, China

Last updated: June 2, 2025

Understanding the UV Index in Chang'an, China, is crucial for protecting your skin and overall health. With high UV levels peaking between 10:00 AM and 1:00 PM, awareness of UV exposure is vital for preventing sunburn and reducing the risk of long-term skin damage. The city's Dwb climate means it experiences significant sunlight, particularly during the summer months. By staying informed about UV levels, you can take proactive steps to safeguard yourself against harmful rays and enjoy all that Chang'an has to offer safely.

Hourly UV Index in Chang'an

Throughout the day, the UV Index begins its ascent at 07:00 with a moderate reading of 3, but by 10:00, it peaks at an impressive 9, signaling that sun protection is crucial. The intensity remains high from 11:00 to 12:00, sustaining another peak of 9 before slowly declining throughout the afternoon. By 14:00, the index drops to 6, transitioning to a gentler level as it moves toward the evening. As the sun sets, the index dwindles to 1 by 17:00 and reaches a comfortable 0 by 19:00. It’s a dynamic day of sun exposure, making the mid-morning to early afternoon the perfect time to stay vigilant about UV protection!

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	3	moderate	30 min
08:00	5	moderate	30 min
09:00	7	high	25 min
10:00	8	very high	15 min
11:00	9	very high	15 min
12:00	9	very high	15 min
13:00	8	very high	15 min
14:00	6	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 Chang'an

Throughout the year, UV levels fluctuate significantly, with the highest risk occurring during the summer months of June, July, and August, where the UV Index peaks at 10 and the exposure category is classified as very high. During these months, the burn time is a mere 15 minutes, underscoring the importance of sun protection. As spring arrives, April and May also present substantial risk, with UV indices reaching 7 and 8, respectively, prompting residents and visitors to limit direct sunlight exposure. Conversely, the winter months of January and December report a low UV Index of 2, providing a safer environment for outdoor activities. It is crucial for everyone to stay informed and take appropriate sun safety measures, especially from April through August, to minimize the risk of UV-related skin damage.

Monthly Maximum UV Index for Chang'an, China

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

The table above highlights how UV exposure in Chang'an 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.

Chang'an'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
Chang'an	2	3	5	7	8	9	10	10	7	5	3	2
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
Shenzhen UVI	7	10	12	12	14	13	13	13	12	11	9	7