UV Index in Dahu, China

Last updated: June 2, 2025

In Dahu, China, awareness of the UV Index is crucial for maintaining skin health and preventing sunburn, especially during the intense midday sun. Peak UV levels can soar to a high of 13 around noon, posing significant risks for outdoor activities. With a humid subtropical climate (Cfa), Dahu often experiences extended sunny days, raising potential UV exposure risks throughout the year. By understanding and monitoring the UV Index, residents and visitors can take proactive measures to protect themselves from harmful radiation and enjoy their time outside safely.

Hourly UV Index in Dahu

As the sun rises, the UV Index gradually climbs, starting at a modest 2 at 7:00 AM. By 8:00 AM, it sharply increases to 4, setting the stage for the day's peak. The intensity hits its zenith at 12:00 PM, soaring to 13—a potent reminder to take sun safety precautions. As the afternoon unfolds, the UV levels begin to wane, dipping to 9 by 2:00 PM and further declining to 6 by 3:00 PM. The evening brings a gentle decline, with the index falling to 2 by 5:00 PM and tapering off to 0 by 7:00 PM. This dynamic pattern emphasizes the importance of sun protection, particularly during the midday hours when the UV rays are 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	7	high	25 min
10:00	10	very high	15 min
11:00	12	extreme	10 min
12:00	13	extreme	10 min
13:00	12	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	0	low	45 min

Monthly UV Index Trends in Dahu

The UV Index experiences significant fluctuations throughout the year, peaking during the midyear months. January starts with a high exposure category (UV Index 6), offering a 25-minute burn time, which gradually escalates to extreme levels by March (UV Index 11) and remains in that category until September, where it tapers slightly to very high in October (UV Index 10). February and March represent particularly high-risk months with very high and extreme ratings, demanding extra caution. From April through August, the UV Index consistently reaches 13, necessitating just 10 minutes for potential sunburn. To ensure safety, residents and visitors should take protective measures such as wearing sunscreen, hats, and seeking shade during peak hours, particularly from March to September when the risk of skin damage is at its highest. As the year progresses, it's essential to stay informed and adjust sun exposure practices accordingly.

Monthly Maximum UV Index for Dahu, China

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

The table above highlights how UV exposure in Dahu 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.

Dahu'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
Dahu	6	10	11	12	13	13	13	13	11	10	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