UV Index in Hongguan, China

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents of Hongguan, China, where sun exposure can vary throughout the day. Elevated UV levels pose significant risks, such as sunburn and long-term skin health issues, making it vital to stay informed. Hongguan's Cwa climate, characterized by hot summers, sends UV Index values soaring, especially around midday where they can reach an intense 13. Being aware of these risks empowers you to take necessary precautions—because protecting your skin today can lead to a healthier tomorrow.

Hourly UV Index in Hongguan

The UV Index during the day reveals a notable peak in sun exposure. Starting at 07:00 with a gentle 1, it gradually climbs to 2 by 08:00. As the sun rises higher, the index surges dramatically, hitting 5 at 09:00, and reaching a striking 8 by 10:00. The intensity peaks at 12:00 with a scorching 13, remaining high until 13:00. After that, it starts to decline, returning to 11 at 14:00 and falling to 8 by 15:00. As the afternoon wanes, the index drops to 5 at 16:00, and finally settles back to 1 by 18:00 and 19:00. This data highlights the importance of sun safety measures during the midday hours when UV exposure is at its highest.

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	5	moderate	30 min
10:00	8	very high	15 min
11:00	11	extreme	10 min
12:00	13	extreme	10 min
13:00	13	extreme	10 min
14:00	11	extreme	10 min
15:00	8	very high	15 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 Hongguan

Throughout the year, UV levels exhibit significant seasonal changes, peaking in the late spring and summer months. February marks the start of high UV levels with a UV Index of 10, classifying it as very high, while March to September sees an extreme classification with indexes reaching a maximum of 14 in May and July. The high-risk months for UV exposure are March through September, where burn times are notably low at just 10 minutes. In contrast, January and December present lower risks with a UV Index of 7 and longer burn times of 25 minutes. To ensure safety, both visitors and residents are advised to take extra precautions during the high UV months by wearing protective clothing, applying sunscreen, and seeking shade during peak hours.

Monthly Maximum UV Index for Hongguan, China

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

The table above highlights how UV exposure in Hongguan 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.

Hongguan'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
Shenzhen UVI	7	10	12	12	14	13	13	13	12	11	9	7
Hongguan	7	10	13	12	14	13	14	13	12	12	9	7