UV Index in Hongtoushan, China

Last updated: August 1, 2025

Understanding the UV Index is crucial for residents and visitors in Hongtoushan, China, where the climate, classified as Dwa, brings distinct seasonal patterns and varying sun exposure. Being aware of UV levels not only aids in preventing sunburn but also plays a vital role in maintaining long-term skin health. With peak UV Index values reaching 10 during midday hours, it becomes essential to protect yourself against potential damage, especially during the summer months when the sun’s rays are most intense. By staying informed about UV levels, you can enjoy the beautiful outdoor environment of Hongtoushan while safeguarding your skin from harmful effects.

Hourly UV Index in Hongtoushan

The UV Index throughout the day reveals a dynamic pattern of sun intensity, peaking dramatically as the sun climbs. At 07:00, it starts at a mild 2, but by 09:00, it escalates to a notable 7. The intensity reaches its zenith at 11:00 and 12:00, both with a robust 10, demanding protective measures for outdoor activities. As the afternoon progresses, the index gradually declines, falling to 5 by 15:00 and tapering off to 1 by 17:00, where it remains until twilight. This highlights the critical hours for sun exposure, especially between 10:00 and 14:00, when the sun’s rays are at their strongest.

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	4	moderate	30 min
09:00	6	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 Hongtoushan

The UV Index exhibits notable seasonal variations, with high and very high levels prevalent during the warmer months. From March to August, the UV Index peaks, particularly in June and July when it hits 10, posing a significant risk for sunburn with a burn time of just 15 minutes. May also sees a very high index at 8, while April and September reach a high level of 7. Conversely, the winter months of January and December present a much lower risk, categorized as low exposure with burn times of 45 minutes. Residents and visitors are advised to take extra precautions—such as applying sunscreen, wearing protective clothing, and seeking shade—during the high-risk months of March through August, especially on sunny days, to mitigate the harmful effects of increased UV radiation.

Monthly Maximum UV Index for Hongtoushan, China

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

The table above highlights how UV exposure in Hongtoushan 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.

Hongtoushan'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
Hongtoushan	2	3	6	7	8	10	10	9	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