UV Index in Hongdun, China

Last updated: August 1, 2025

Understanding the UV Index is crucial for residents and visitors in Hongdun, China, where the climate presents unique exposure risks. Knowing the daily UV levels is essential for sunburn prevention and maintaining overall skin health. With peak UV Index readings reaching as high as 13 around midday, it’s important to take protective measures to safeguard against harmful effects, especially in a region characterized by its humid subtropical climate (Cfa). By staying informed about UV exposure, you can enjoy the beauty of Hongdun while keeping your skin protected.

Hourly UV Index in Hongdun

The UV Index showcases a dynamic increase throughout the day, peaking at 13 around 12:00 PM. Starting from a gentle 1 at 7:00 AM, the index steadily climbs as the sun ascends, reaching 6 by 9:00 AM. The intensity becomes palpable by 11:00 AM with a sharp rise to 12, before hitting its zenith at 13 at noon, prompting caution for outdoor activities. As the afternoon unfolds, the levels begin to decline, dipping to 10 by 2:00 PM and gradually falling to 0 by 7:00 PM, signaling safer conditions for evening strolls. It’s essential to stay protected during the midday hours when the sun's rays are most intense!

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	6	high	25 min
10:00	9	very high	15 min
11:00	12	extreme	10 min
12:00	13	extreme	10 min
13:00	12	extreme	10 min
14:00	10	very high	15 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 Hongdun

The UV Index experiences significant fluctuations throughout the year, with the highest exposure risks occurring from March through September, where values consistently reach 11 or higher, indicating extreme conditions. The most critical months, June and July, peak at a UV Index of 13, resulting in a burn time of just 10 minutes—a clear warning for outdoor activities. Conversely, January and December reflect lower risks with an Index of 6 and burn times extending to 25 minutes. To ensure safety, both visitors and residents are advised to take precautions during the high-risk months by using sunscreen, wearing protective clothing, and limiting sun exposure, especially between 10 AM and 4 PM.

Monthly Maximum UV Index for Hongdun, China

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

The table above highlights how UV exposure in Hongdun 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.

Hongdun'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
Hongdun	6	8	11	11	12	12	13	13	11	9	8	6
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