UV Index in Guizhou, China

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents and visitors in Guizhou, China, where the subtropical climate can lead to significant sun exposure. As UV levels can peak as high as 13 during midday hours, being aware of these levels is essential for preventing sunburn and protecting overall skin health. By paying attention to the UV Index, you can take necessary precautions to minimize your risk while enjoying the outdoors in Guizhou's beautiful landscape, particularly during the warmer months when the sun's rays are the strongest.

Hourly UV Index in Guizhou

The UV Index throughout the day presents a fascinating picture of sun intensity. Starting at a mild 1 at 07:00, the index gradually climbs, reaching 3 by 08:00. As the morning progresses, it peaks at an impressive 13 at 12:00 and 13:00, signaling a critical time for sun protection. The intensity begins to decline in the afternoon, dropping to 8 by 15:00. By 18:00, it retreats back to 1, demonstrating the inevitable waning of sunlight as the day draws to a close. This data underscores the importance of being sun-smart, particularly between 10:00 and 15:00, 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	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	11	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	3	moderate	30 min
18:00	1	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Guizhou

The UV Index experiences significant seasonal fluctuations, with high-risk months predominantly from March to September. During these months, the UV Index reaches its peak at 13 in July, indicating an extreme exposure category, while May and June also maintain an extreme level of 12. This necessitates a quick burn time of just 10-15 minutes for unprotected skin. Conversely, the index decreases in January, February, November, and especially December, where it drops to a moderate category of 4. Residents and visitors should take precautionary measures during high UV months, including wearing sunscreen, protective clothing, and seeking shade to mitigate the risk of sunburn and skin damage.

Monthly Maximum UV Index for Guizhou, China

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

The table above highlights how UV exposure in Guizhou 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.

Guizhou'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
Guizhou	6	6	9	11	12	12	13	12	11	9	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