UV Index in Sihe, China

Last updated: May 3, 2025

Understanding the UV Index is crucial for residents of Sihe, China, where sun exposure can pose significant risks to skin health. With a climate categorized as Dwa, Sihe experiences moderate yet intense UV radiation, especially during the peak hours of 10 AM to 1 PM, when the UV Index can reach levels as high as 7. Being aware of these UV levels is essential for effective sunburn prevention and long-term skin care. By staying informed, you can better protect yourself and your loved ones from harmful effects, ensuring a safer outdoor experience in this vibrant locale.

Hourly UV Index in Sihe

The UV index starts off mild at 2 by 7:00 AM, gently climbing to 3 by 8:00 AM. However, as the day progresses, the intensity rises significantly, reaching a peak of 7 between 10:00 AM and 12:00 PM, indicating a high level of solar radiation. By 1:00 PM, the UV index slightly declines to 6, followed by a gradual decrease throughout the afternoon, falling to 4 by 3:00 PM and down to 1 by 6:00 PM. As evening approaches, the UV levels remain low, with values settling at 1 from 6:00 PM onward. This shifting pattern underscores the importance of sun protection during the midday hours when UV exposure is at its 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	3	moderate	30 min
09:00	5	moderate	30 min
10:00	7	high	25 min
11:00	7	high	25 min
12:00	7	high	25 min
13:00	6	high	25 min
14:00	5	moderate	30 min
15:00	4	moderate	30 min
16:00	2	low	45 min
17:00	1	low	45 min
18:00	1	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Sihe

The UV Index exhibits considerable seasonal variation, with the highest readings occurring during the summer months of June, July, and August, where the index reaches 8, categorized as very high and resulting in a burn time of just 15 minutes. The spring months, notably April and May, also show elevated values at 6 and 7 respectively, indicating high exposure risk. Conversely, the winter months (January, February, and November to December) experience significantly lower UV levels, ranging from 1 to 3, suggesting minimal risk. Visitors and residents are advised to remain vigilant during the peak summer months and during spring, ensuring proper sun protection measures such as sunscreen, hats, and protective clothing. In contrast, the low UV months offer a more relaxed approach to sun safety.

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
Sihe	2	3	4	6	7	8	8	8	6	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