UV Index in Sishui, China

Last updated: May 3, 2025

Understanding the UV Index in Sishui, China is essential for ensuring your skin health and preventing sunburn. With its Cwa climate characterized by hot summers, Sishui residents and visitors should be especially cautious during peak UV exposure times. The UV levels can reach a maximum of 13 between 12:00 PM and 1:00 PM, which poses a significant risk for harmful skin effects if protective measures are not taken. By staying informed about daily UV levels, you can effectively safeguard your skin against damage while enjoying the sunny days in this vibrant area.

Hourly UV Index in Sishui

The UV Index reveals a dynamic range throughout the day, peaking sharply around noon. Starting from a mild 1 at 7:00 AM, the intensity escalates rapidly, reaching a moderate 5 by 9:00 AM. As the sun climbs higher, the index skyrockets to an intense 13 by 12:00 PM, maintaining this level until 1:00 PM. A gradual decline follows, with the index dropping to 11 at 2:00 PM and then tapering off to 8 at 3:00 PM. By the late afternoon and into the evening, the UV levels sink back to a safe 2 at 5:00 PM, culminating in a gentle return to 1 by 6:00 PM. It’s a day in which sun safety is paramount during the peak hours, particularly between 11:00 AM and 1:00 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	1	low	45 min
08:00	2	low	45 min
09:00	5	moderate	30 min
10:00	8	very high	15 min
11:00	12	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	2	low	45 min
18:00	1	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Sishui

Throughout the year, UV levels fluctuate significantly, with peak intensity occurring from March to October. The highest risks are noted during the summer months of May through August, where the UV Index consistently reaches 13 or higher, categorized as extreme, and the recommended burn time drops to just 10 minutes. February also presents a high risk with an Index of 10, while November sees a decrease to 9, still categorized as very high. Residents and visitors should take precautions during the high-risk months by seeking shade, wearing protective clothing, and regularly applying sunscreen to minimize skin damage. As a general rule, it's crucial to be vigilant with sun protection from March to October, especially during peak hours between 10 AM and 4 PM.

Monthly Maximum UV Index for Sishui, China

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

The table above highlights how UV exposure in Sishui 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.

Sishui'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
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
Sishui	7	10	12	12	13	13	13	14	12	12	9	7