UV Index in Dafu, China

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents and visitors in Dafu, China, where sunny days are common in a Cfa climate zone. Recognizing UV levels is essential for sunburn prevention and long-term skin health, as prolonged exposure can lead to serious skin issues. Given that Dafu experiences significant UV exposure, particularly around midday with levels soaring to 13 from 12 PM to 1 PM, being aware of these risks helps everyone enjoy the outdoors safely. Stay informed and protect your skin while soaking in the sunshine of this vibrant locale!

Hourly UV Index in Dafu

From 07:00 to 19:00, the UV Index exhibits a pronounced peak during midday hours, soaring to 13 between 12:00 and 13:00. The intensity rises steadily from a mild 1 at 07:00 to a substantial 12 at 11:00, indicating peak sun exposure just before noon. As the afternoon progresses, the index gradually declines, dropping to 5 by 16:00 and further to a safe 1 as the sun sets. With a dramatic increase during the late morning and early afternoon, it's crucial to stay protected against UV rays, especially when the index hits 9 and above between 10:00 and 14:00.

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	9	very high	15 min
11:00	12	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 Dafu

The UV Index exhibits significant seasonal variations, with high-risk months primarily from February to September, where the index peaks at 13 during May, June, July, and August, categorized as extreme exposure. The burn time during these months drops to a mere 10 minutes, emphasizing the necessity for caution. Conversely, in January and December, the UV Index is lower at 7 (high), allowing for 25 minutes of safe sun exposure, while October and November see a decline to 8 and 9, respectively, categorized as very high with 15 minutes burn time. Visitors and residents are strongly advised to apply sunscreen, wear protective clothing, and limit sun exposure during peak hours, particularly in the extreme UV months, to safeguard against harmful effects.

Monthly Maximum UV Index for Dafu, China

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

The table above highlights how UV exposure in Dafu 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.

Dafu'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
Dafu	7	9	12	12	13	13	13	13	11	10	8	7
Shenzhen UVI	7	10	12	12	14	13	13	13	12	11	9	7