UV Index in Guoji, China

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents and visitors of Guoji, China, where the climate typically falls under the Cfa zone, characterized by warm summers and humid conditions. As the UV levels can soar to a maximum of 11 around midday, awareness of these indices becomes vital in preventing sunburn and promoting long-term skin health. With high UV exposure risks prevalent during peak hours, knowing when to seek shade or apply sunscreen can make all the difference in safeguarding your skin while enjoying the vibrant outdoor life that Guoji has to offer.

Hourly UV Index in Guoji

The UV Index rises swiftly as the day progresses, starting at a modest 2 at 07:00. By 09:00, it surges to a 6, signaling that sun protection is becoming essential. The intensity peaks sharply at 12:00 with a striking 11, indicating that the risk for harm from unprotected sun exposure is very high. As the afternoon rolls in, the index gradually declines; it dips to 8 by 14:00 and further falls to 5 by 15:00. As evening approaches, the UV Index drops to a low of 1 by 17:00, remaining steady through 18:00 and 19:00. It's a vivid reminder to always be vigilant about sun safety during the peak 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	2	low	45 min
08:00	3	moderate	30 min
09:00	6	high	25 min
10:00	8	very high	15 min
11:00	10	very high	15 min
12:00	11	extreme	10 min
13:00	10	very high	15 min
14:00	8	very high	15 min
15:00	5	moderate	30 min
16:00	3	moderate	30 min
17:00	1	low	45 min
18:00	1	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Guoji

The UV Index experiences notable changes throughout the year, with high-risk months typically occurring from March to October. During this period, the index peaks at 11 in June and July, indicating an extreme risk of harm from unprotected sun exposure, with a burn time of just 10 minutes. Visitors and residents are strongly advised to take precautions during these months, including wearing protective clothing, applying broad-spectrum sunscreen frequently, and seeking shade during peak sun hours. Conversely, January, February, November, and December have a moderate UV exposure (UV Index 4-5) with longer burn times of 30 minutes. Staying informed and cautious about UV exposure can help ensure safety throughout the seasons.

Monthly Maximum UV Index for Guoji, China

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

The table above highlights how UV exposure in Guoji 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.

Guoji'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
Guoji	4	5	8	9	10	11	11	10	10	8	5	4
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