UV Index in Haihui, China

Last updated: June 2, 2025

Understanding the UV Index in Haihui, China is crucial for safeguarding your skin health and preventing sunburn. The UV levels can soar during the day, especially between 10:00 AM and 2:00 PM, where values peak at a significant 12—indicating a very high risk of harm from unprotected sun exposure. Given Haihui's Cfa climate, characterized by hot summers, it's essential for residents and visitors alike to stay informed about these fluctuating UV levels. By monitoring the UV Index, you can take proactive measures to protect your skin and enjoy the beautiful outdoors safely.

Hourly UV Index in Haihui

As the day unfolds, the UV Index sees a dramatic rise, starting from a mild 1 at 07:00. By 09:00, it escalates to 6, signaling a greater need for sun protection. The sun reaches its zenith at 12:00, with a peak UV Index of 12, indicating extreme levels of ultraviolet radiation. Afterward, the intensity slightly declines, with 11 at 13:00 and decreasing to 9 by 14:00. The afternoon hours see a further drop, settling to 6 by 15:00, before tapering off to 2 at 17:00, and finally retreating to 1 from 18:00 to 19:00. This hourly data underscores the importance of being sun-smart, especially during those peak hours.

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	6	high	25 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	9	very high	15 min
15:00	6	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 Haihui

Throughout the year, the UV Index exhibits significant seasonal variations, peaking during the summer months. High-risk months include May through August, where the UV Index consistently reaches extreme levels of 11 or 12 and the burn time is as brief as 10 minutes. As such, residents and visitors should take precautionary measures during these peak months, such as seeking shade, wearing protective clothing, and applying sunscreen regularly. In contrast, the UV Index lowers during the fall and winter months, with January and November presenting high levels but more extended burn times of up to 25 minutes. It remains essential for everyone to stay informed about daily UV levels and adapt their sun protection habits accordingly, especially during the highest risk periods.

Monthly Maximum UV Index for Haihui, China

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

The table above highlights how UV exposure in Haihui 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.

Haihui'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
Haihui	6	7	9	10	11	12	12	12	10	8	6	5
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