UV Index in Chang'an, China

Last updated: July 2, 2025

In Chang'an, China, understanding the UV Index is crucial for safeguarding your skin health. With high UV exposure risks, particularly between 10 AM and 2 PM when levels peak at a severe 12, awareness can help you take preventative measures against sunburn and long-term skin damage. Given Chang'an's Cfa climate, characterized by hot summers, knowing the UV levels can be the difference between enjoying the sun or suffering from its harmful effects. Stay informed and protect yourself while soaking up the sunshine!

Hourly UV Index in Chang'an

As the sun rises, the UV Index starts off mild at 1 at 07:00, making it safe to enjoy the morning outdoors. By 08:00, it increases to 3, signaling the need for light protection. However, the real intensity kicks in as the clock strikes 10:00, with the index peaking at a robust 12 by 12:00 and 13:00. During these hours, the sun’s rays are at their strongest, reaching a maximum of 11 at 11:00. As afternoon transitions into evening, the index begins to decline, dropping to 10 at 14:00 and gradually falling to 1 by 19:00. To make the most of your day, plan your outdoor activities in the early morning or late afternoon for a safer experience under the sun!

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	11	extreme	10 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	5	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 Chang'an

Throughout the year, the UV Index shows significant seasonal variation, with the highest risk months occurring from June to August. During this peak summer period, the UV Index reaches 12, categorized as extreme, with a burn time of just 10 minutes. As a result, it is crucial for visitors and residents to take precautions such as wearing sunscreen, protective clothing, and seeking shade during peak sun hours. The preceding months of March, April, and May also present very high levels of UV exposure, especially in April and May when the Index reaches 10. Conversely, the UV levels drop considerably in the winter months, with December showing a moderate Index of 4 and a burn time of 30 minutes. Overall, vigilance during the high UV season is essential to prevent skin damage, while winter offers a more forgiving sun exposure environment.

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
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
Chang'an	6	7	8	10	10	11	12	12	10	8	7	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