UV Index in Sihe, China

Last updated: July 2, 2025

Understanding the UV Index is essential for the residents of Sihe, China, as it serves as a vital tool for sun safety awareness. With its Cwa climate, Sihe experiences varying UV levels throughout the day, peaking dramatically between 11:00 AM and 1:00 PM when the index reaches an intense 14. Being aware of these levels is crucial, as high UV exposure not only increases the risk of sunburn but also poses long-term dangers to skin health. By monitoring the UV Index, you can take proactive measures to protect yourself and your loved ones from harmful rays during those sunniest hours.

Hourly UV Index in Sihe

Starting at dawn, the UV Index gradually climbs, peaking at 14 between 12:00 PM and 1:00 PM, indicating extreme sun exposure potential. Early hours see a modest index of 1 at 7:00 AM, but as the sun rises, intensity builds rapidly, reaching 12 by 11:00 AM. After its zenith, the index begins to decline, dropping to 8 at 3:00 PM and further down to 1 by 7:00 PM. With such variations, it's crucial to stay protected during midday hours to ensure safety from harmful rays.

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	5	moderate	30 min
10:00	9	very high	15 min
11:00	12	extreme	10 min
12:00	14	extreme	10 min
13:00	14	extreme	10 min
14:00	12	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 Sihe

Throughout the year, the UV Index experiences significant seasonal changes, peaking during the late spring and summer months. The high-risk months for UV exposure are February to October, particularly March to July, where the index reaches extreme levels of 12 to 14 and the burn time drops to just 10 minutes. Residents and visitors are strongly advised to take precautions during this period, including wearing sunscreen, protective clothing, and seeking shade, especially during peak UV hours. As UV levels diminish in November and December, maintaining awareness remains important to prevent overexposure, as even January and December still carry a high UV risk, with burn times of 25 minutes.

Monthly Maximum UV Index for Sihe, China

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

The table above highlights how UV exposure in Sihe 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.

Sihe'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
Sihe	7	10	12	12	14	13	14	13	12	11	9	7