UV Index in Haidao, China

Last updated: June 2, 2025

Understanding the UV Index in Haidao, China is crucial for safeguarding your health and enjoying the outdoors safely. Elevated UV levels, particularly between 10 AM and 2 PM, can lead to sunburn and long-term skin damage, making it essential to stay informed. Haidao, known for its temperate Cfa climate, experiences significant UV exposure during summer months, with peak indexes soaring to 13 at noon. By being aware of the UV Index, you can take proactive steps to protect your skin while making the most of the sunny days ahead.

Hourly UV Index in Haidao

The UV Index throughout the day reveals a notable peak in solar intensity. Starting gently at 2 at 7:00 AM, it quickly rises as the sun climbs higher. By 10:00 AM, the index hits 10, indicating strong UV exposure, which reaches its maximum of 13 at 12:00 PM—the height of midday sun. A gradual decline follows, bringing the index down to 6 by 3:00 PM, before it dips to a low of 1 by 6:00 PM and finally settles at 0 by 7:00 PM. These fluctuations highlight the importance of sun protection during midday hours when UV levels are at their 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	2	low	45 min
08:00	4	moderate	30 min
09:00	7	high	25 min
10:00	10	very high	15 min
11:00	12	extreme	10 min
12:00	13	extreme	10 min
13:00	11	extreme	10 min
14:00	9	very high	15 min
15:00	6	high	25 min
16:00	3	moderate	30 min
17:00	2	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Haidao

Throughout the year, the UV Index experiences significant fluctuations, with the highest levels occurring from March to September. The peak risk months are typically April through August, when the UV Index reaches extreme levels (12-13), indicating a burn time as short as 10 minutes. Visitors and residents are strongly advised to take precautions during these high-risk months, such as using broad-spectrum sunscreen, wearing protective clothing, and seeking shade during peak sun hours. In contrast, during December and January, the UV Index drops to levels categorized as high or moderate, allowing for relatively safer outdoor activities with a burn time of 25 minutes. Nonetheless, it is essential to remain vigilant against UV exposure year-round.

Monthly Maximum UV Index for Haidao, China

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

The table above highlights how UV exposure in Haidao 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.

Haidao'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
Haidao	7	8	10	11	12	13	13	13	11	9	8	6
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