UV Index in Hongdun, China

Last updated: June 2, 2025

Understanding the UV Index in Hongdun, China is essential for safeguarding your skin and overall health. With values reaching as high as 9 during peak hours, being aware of UV levels can significantly aid in sunburn prevention and long-term skin health. Hongdun's Dfb climate brings varying levels of sun exposure, especially in summer when the UV index can pose risks even on seemingly mild days. By familiarizing yourself with these UV readings, you can enjoy the beautiful outdoors while protecting yourself from harmful rays.

Hourly UV Index in Hongdun

The UV Index displays a dynamic pattern throughout the day, peaking at 12:00 PM with a striking value of 9, indicating very high risk for harm from unprotected sun exposure. The day begins with a modest reading of 2 at 7:00 AM, steadily climbing as the sun rises. By 10:00 AM, the index reaches 7, signaling a warning to seek shade during midday hours. As the clock strikes 11:00 AM, it escalates to 8, and peaks at 12:00 PM. Post-peak, a gentle decline follows, with values dropping to 5 by 3:00 PM and tapering to a low of 1 by 6:00 PM. It’s a reminder that while the sun can be inviting, precautions should be taken as its potency intensifies through the day.

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	5	moderate	30 min
10:00	7	high	25 min
11:00	8	very high	15 min
12:00	9	very high	15 min
13:00	8	very high	15 min
14:00	7	high	25 min
15:00	5	moderate	30 min
16:00	4	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 Hongdun

Seasonal changes in the UV Index highlight significant variations in sun exposure throughout the year. From January to February, the UV Index remains low to moderate, allowing for safer outdoor activities with burn times of 45 minutes and 30 minutes, respectively. However, high-risk months emerge from March through August, with UV Index values peaking at 9 during May, June, and July—indicating very high exposure and a quick burn time of just 15 minutes. Visitors and residents should exercise caution during these months, wearing protective clothing and sunscreen, and seeking shade during peak sunlight hours. As the year progresses into September and October, UV levels begin to decrease, returning to moderate levels by November and December. It is advisable to remain vigilant about UV safety, particularly during the sunniest months.

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
Hongdun	2	3	6	7	9	9	9	8	6	4	2	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