UV Index in Annan, China

Last updated: July 2, 2025

In Annan, China, understanding the UV Index is crucial for everyone, as it serves as a vital indicator of sun exposure risk. With high UV levels peaking at 13 around midday, being aware of these fluctuations can help prevent sunburn, protect skin health, and reduce the risk of long-term damage. Annan's Cfa climate results in a warm, humid environment, often leading to increased UV exposure. Being informed about local UV levels enables residents and visitors alike to take proactive measures against potential harms, ensuring a safe and enjoyable time under the sun.

Hourly UV Index in Annan

The UV Index data reveals a striking daily rhythm of sun exposure, peaking dramatically around noon. Starting at a modest 2 at 07:00, the index climbs steadily, crossing 4 by 08:00 and reaching a noteworthy 6 at 09:00. As the sun rises, it hits a staggering 10 at 10:00, culminating in a maximum of 13 by 12:00—a clear indication that this is the moment of highest sun intensity. The index begins to taper off, falling to 10 by 14:00, then declines further to 6 at 15:00 before dropping steadily to 2 by 17:00. As twilight falls, UV levels plummet to 1 by 18:00 and vanish entirely by 19:00. This data serves as a critical reminder to embrace sun safety practices during the peak hours of 10 AM to 2 PM when UV exposure is at its highest.

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	6	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	10	very high	15 min
15:00	6	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 Annan

Throughout the year, UV radiation levels demonstrate significant seasonal variation, peaking during the summer months. High-risk months for UV exposure are March through September, where the UV Index consistently falls within the extreme category, necessitating minimal safe exposure times of just 10 minutes. February, October, and November follow with their very high UV Indexes, allowing slightly longer safe exposure of 15 minutes. Visitors and residents are advised to take precautions during these high-risk periods, including wearing protective clothing, applying broad-spectrum sunscreen with a high SPF, and seeking shade during peak sunlight hours, typically between 10 AM and 4 PM. As UV levels drop in January and December, individuals should remain vigilant but can enjoy slightly longer burn times of 25 minutes.

Monthly Maximum UV Index for Annan, China

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

The table above highlights how UV exposure in Annan 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.

Annan'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
Annan	6	8	11	11	12	13	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