UV Index in Dafan, China

Last updated: May 3, 2025

Understanding the UV Index is essential for residents and visitors in Dafan, China, where the ambient climate brings unique sun exposure risks. The UV Index informs us about the strength of ultraviolet radiation on a given day, which is crucial for preventing sunburn and protecting skin health. In Dafan, where the climate is classified as Cfa (humid subtropical), UV levels can peak dramatically, especially between 10 AM and 2 PM—with readings soaring up to 11 during the hottest hours. Being aware of these UV levels helps everyone make informed choices about sun safety, ensuring a healthier outdoor experience under the sun.

Hourly UV Index in Dafan

As the day begins, the UV Index starts off low at 1 by 7:00 AM, making it a safe time to step outside. However, as the sun climbs higher, the index rises sharply, hitting 3 by 8:00 AM and reaching 5 by 9:00 AM. The intensity peaks around 12:00 PM, where it soars to 11, signaling a strong need for sun protection. This high level remains steady until 1:00 PM, where it holds firm at 11. By 2:00 PM, the UV Index begins to decline, bringing it down to 9 at 2:00 PM, followed by a gentle drop to 6 by 3:00 PM. As afternoon turns to evening, the index drops further, settling back to 2 by 5:00 PM and finally returning to a safe 1 by 7:00 PM, offering a gentle reminder of the sun's influence throughout 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	1	low	45 min
08:00	3	moderate	30 min
09:00	5	moderate	30 min
10:00	8	very high	15 min
11:00	10	very high	15 min
12:00	11	extreme	10 min
13:00	11	extreme	10 min
14:00	9	very high	15 min
15:00	6	high	25 min
16:00	3	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 Dafan

Throughout the year, UV Index levels fluctuate significantly, indicating varying risk of sun exposure. High-risk months typically occur from March to August, when the UV Index reaches its peak with values between 9 to 13, categorized as very high to extreme. For instance, in May and July, the burn time is as short as 10 minutes, underscoring the importance of protective measures. Visitors and residents are advised to take precautions during these months, such as wearing sunscreen, protective clothing, and seeking shade, especially between 10 AM and 4 PM when UV radiation is strongest. The UV Index begins to drop in September, and by December, it falls to a moderate rating of 5, allowing for less stringent sun safety practices.

Monthly Maximum UV Index for Dafan, China

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

The table above highlights how UV exposure in Dafan 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.

Dafan'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
Dafan	6	7	9	10	11	12	13	12	10	8	7	5
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