UV Index in Heishui, China

Last updated: May 3, 2025

In Heishui, China, awareness of the UV Index is crucial for maintaining skin health and preventing sunburn. Understanding the daily UV levels can help residents and visitors alike protect themselves from harmful rays, especially during peak hours when the index reaches a maximum of 8 between 11:00 AM and 1:00 PM. Heishui's Dwa climate presents unique challenges, with varying UV exposure risks throughout the day that can significantly affect outdoor activities. Stay informed, stay safe, and enjoy the sunny days while taking care of your skin!

Hourly UV Index in Heishui

The UV Index reveals a dynamic shift throughout the day, peaking sharply at 11:00 AM and 12:00 PM with a height of 8—a clear signal for sun lovers to take necessary precautions. As the day breaks, the index rises from a mild 2 at 7:00 AM to a moderate 5 by 9:00 AM, steadily climbing towards the afternoon. After its pinnacle, the values begin to gracefully decline, settling back to a safe 1 by 5:00 PM and remaining low for the evening hours. For outdoor enthusiasts, it's wise to enjoy midday sunshine while staying mindful of the rising UV levels!

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	3	moderate	30 min
09:00	5	moderate	30 min
10:00	7	high	25 min
11:00	8	very high	15 min
12:00	8	very high	15 min
13:00	7	high	25 min
14:00	6	high	25 min
15:00	4	moderate	30 min
16:00	3	moderate	30 min
17:00	1	low	45 min
18:00	1	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Heishui

Throughout the year, the UV Index fluctuates significantly, indicating varying levels of sun exposure risk. The high-risk months are from May to August, where the UV Index reaches a peak of 9, categorized as very high, with a burn time of just 15 minutes. April also poses a risk with a high UV Index of 7, suggesting a burn time of 25 minutes. Conversely, the months of January, November, and December show a low risk with UV indices of 2 and 1, allowing for extended exposure times of up to 45 minutes. Visitors and residents are advised to take extra precautions during the high-risk months by wearing sunscreen, protective clothing, and seeking shade during peak hours, while enjoying the sun responsibly in the milder months.

Monthly Maximum UV Index for Heishui, China

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

The table above highlights how UV exposure in Heishui 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.

Heishui'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
Heishui	2	3	5	7	8	9	9	9	7	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