UV Index in Gannan, China

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents of Gannan, China, where exposure to harmful ultraviolet rays can significantly impact skin health. With the region characterized by a Dwb climate, Gannan experiences varying UV levels throughout the day, peaking at 9 around noon. By being aware of these fluctuations, individuals can take essential precautions to prevent sunburn and reduce the risk of long-term skin damage. In this beautiful locale, vigilance against high UV exposure—especially between 10:00 AM and 2:00 PM—is key to enjoying the sun safely.

Hourly UV Index in Gannan

The UV Index throughout the day showcases a dynamic range of sun exposure. Starting at a mild 2 at 7:00 AM, the intensity gradually rises, peaking at 9 by 12:00 PM. This midday surge underscores the necessity of sun protection, as the index dips slightly to 8 at 1:00 PM before gradually declining through the afternoon. By 3:00 PM, it’s down to 5, further decreasing to a gentle 1 by 7:00 PM. With these fluctuations, it’s essential to stay vigilant and prioritize skin safety during the peak hours between 10:00 AM and 2:00 PM.

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	7	high	25 min
11:00	8	very high	15 min
12:00	9	very high	15 min
13:00	8	very high	15 min
14:00	6	high	25 min
15:00	5	moderate	30 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 Gannan

The UV Index experiences notable seasonal fluctuations throughout the year, indicating varying sun exposure levels. January begins with a low UV Index of 2, allowing for a burn time of 45 minutes. As spring approaches, February and March see moderate levels, with indices of 3 and 4 respectively, resulting in burn times of 30 minutes. However, April marks the start of high UV exposure with an index of 6 and continues into the summer months, peaking in July at 9—the most high-risk month—where only 15 minutes of unprotected sun exposure is safe. August remains very high, while September tapers to a high index of 6. By October, the UV Index dips back to 4, gradually returning to low levels by November and December, where residents and visitors can safely enjoy 45 minutes of sun without concern. Visitors and residents should take precautions, especially during May through August, utilizing sunscreen, protective clothing, and seeking shade during peak hours to minimize the risk of skin damage.

Monthly Maximum UV Index for Gannan, China

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

The table above highlights how UV exposure in Gannan 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.

Gannan'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
Gannan	2	3	4	6	8	8	9	8	6	4	2	1
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
Shenzhen UVI	7	10	12	12	14	13	13	13	12	11	9	7