UV Index in Chang'an, China

Last updated: May 3, 2025

Awareness of the UV Index is crucial for residents and visitors in Chang'an, China, where the climate features hot summers and mild winters. Understanding UV levels helps in effectively preventing sunburn and safeguarding skin health against the harmful effects of ultraviolet rays. With peak UV indices often soaring to 14 around noon, it becomes essential for everyone to take precautions, especially during the summer months when exposure risks are heightened. By staying informed about the daily UV forecast, you can enjoy the beautiful weather in Chang'an while protecting your skin from long-term damage.

Hourly UV Index in Chang'an

The UV Index throughout the day displays a dynamic rise and fall, peaking at 14 around 12:00 PM, indicating a high risk of harm from unprotected sun exposure. Starting with a gentle 1 at 07:00, it escalates quickly, climbing to a 9 by 10:00 AM. The index reaches its zenith at noon before gradually tapering down to 2 by 17:00, and finally settling at 0 by 19:00. This pattern highlights the importance of sun protection during the midday hours when UV radiation is at its most intense, urging everyone to be vigilant and stay safe!

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	9	very high	15 min
11:00	12	extreme	10 min
12:00	14	extreme	10 min
13:00	13	extreme	10 min
14:00	11	extreme	10 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 Chang'an

Throughout the year, UV exposure fluctuates significantly, with February through September being the high-risk months due to extreme UV Index levels consistently reaching between 11 and 14. March and April peak at 11 and 12, while May to July measures 14—the most hazardous rating. During these critical months, the recommended burn time is a mere 10 minutes, making sun protection essential. Conversely, the UV Index declines in the fall and winter months, with October and November classified as very high (UV Index 9-10) and burn times slightly improving to 15 minutes. As January and December return to high levels, sun exposure increases to 25 minutes but remains noteworthy. Visitors and residents should take precautions year-round, especially during the summer months, by wearing protective clothing, applying sunscreen frequently, and seeking shade during peak hours.

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
Guangzhou UVI	7	9	11	12	13	13	13	12	11	10	9	7
Chang'an	7	10	11	12	14	13	13	13	11	10	9	7
Shenzhen UVI	7	10	12	12	14	13	13	13	12	11	9	7