UV Index in Hannan, China

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents of Hannan, China, as it provides vital information about sun exposure and helps in preventing sunburn and maintaining skin health. With a humid subtropical climate (Cfa), Hannan experiences a range of UV levels, peaking at 12 around noon—considerably high and requiring caution. By staying informed about daily UV fluctuations, residents can take proactive measures to protect their skin from harmful rays, ensuring a healthier and safer outdoor experience.

Hourly UV Index in Hannan

The UV Index data presents a clear peak in sun intensity during the midday hours. Starting from a low of 1 at 07:00, the values gradually increase, reaching a significant rise at 10:00 with a sharp climb to 8. The pinnacle occurs at 12:00, where the UV Index soars to a maximum of 12, indicating a high risk of harm from unprotected sun exposure. As the afternoon progresses, the index begins to decline, dropping to 10 by 14:00 and then gently tapering off to 4 by 16:00. By evening, the UV Index settles back down to 1 after 18:00, emphasizing the importance of sun safety during those peak hours between 11:00 and 14:00. Stay protected and enjoy the sun safely!

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	12	extreme	10 min
13:00	11	extreme	10 min
14:00	10	very high	15 min
15:00	7	high	25 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 Hannan

Throughout the year, UV exposure increases significantly, particularly during the late spring and summer months. High-risk months are March through September, with the UV Index peaking at 12 in July and August, categorized as extreme with a burn time of just 10 minutes. From January to February, the UV Index rises from 5 (moderate) to 6 (high), while in the fall and winter months, it tapers off to 8 (October) and 4 (December). Visitors and residents should take necessary precautions in high UV months, including wearing sunscreen, protective clothing, and seeking shade during peak hours to minimize the risk of UV-related harm.

Monthly Maximum UV Index for Hannan, China

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

The table above highlights how UV exposure in Hannan 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.

Hannan'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
Hannan	5	6	8	10	10	11	12	12	10	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