UV Index in Heixi, China

Last updated: July 2, 2025

In Heixi, China, being aware of the UV Index is crucial for safeguarding your skin against harmful ultraviolet rays. Understanding UV levels not only aids in preventing painful sunburns but also plays a vital role in maintaining long-term skin health. With Heixi's Cfa climate, residents and visitors can expect significant UV exposure, especially during peak hours. For instance, midday UV Index levels can soar up to 13, indicating a high risk of overexposure. Stay informed and take necessary precautions to enjoy the outdoors safely!

Hourly UV Index in Heixi

As the morning sun rises, the UV Index gradually climbs, beginning at a modest 1 at 07:00. By 09:00, it reaches 5, signaling a notable increase in sun intensity. The peak comes between 11:00 and 13:00, where it soars to 10 and a scorching 13, indicating a time when sun protection is crucial. After this zenith, the UV Index begins to taper off, descending to 9 by 15:00 and further falling to 3 by 17:00. As the sun sets, it drops back down to 1 by 18:00, creating a safe environment for evening activities. Plan your day accordingly to enjoy the sun while staying protected!

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	10	very high	15 min
12:00	13	extreme	10 min
13:00	13	extreme	10 min
14:00	11	extreme	10 min
15:00	9	very high	15 min
16:00	6	high	25 min
17:00	3	moderate	30 min
18:00	1	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Heixi

The UV Index experiences notable seasonal changes, peaking during the summer months. From January to February, the index remains at a high level of 7, indicating a burn time of 25 minutes. However, starting in March, the index rises sharply, reaching 10 in March and escalating to an extreme high of 12 in May and June. The high-risk months continue through July and August, where the index hits 13, followed by a slight decrease to 11 in September, before tapering off to 9 in October. As we head into the last months of the year, the risk lowers again, with a high index of 7 in November and a moderate level of 5 in December. Visitors and residents should take precautions during the extreme months, particularly from April to September, by seeking shade, wearing protective clothing, and applying sunscreen regularly to prevent skin damage.

Monthly Maximum UV Index for Heixi, China

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

The table above highlights how UV exposure in Heixi 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.

Heixi'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
Heixi	7	7	10	11	12	12	13	12	11	9	7	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