UV Index in Sihe, China

Last updated: May 3, 2025

Understanding the UV Index is crucial for residents of Sihe, China, where the subtropical humid climate can lead to significant UV exposure, particularly during the midday hours. With peak UV levels reaching a maximum of 10 around noon, awareness of these levels is essential for preventing sunburn and protecting overall skin health. As the sun's intensity varies throughout the day, knowing when to seek shade or apply sunscreen can make a considerable difference in safeguarding against harmful effects of UV radiation. Stay informed and enjoy the sunlight safely!

Hourly UV Index in Sihe

As the sun rises, the UV Index gradually transitions from a mild 1 at 07:00 to an invigorating 3 by 08:00. The peak UV intensity hits its stride between 12:00 and 13:00, reaching a striking 10, a clear call for sun protection. As the afternoon progresses, the index begins to decline, tapering off to 8 at 14:00, 6 at 15:00, and eventually settling to a gentle 2 by 17:00. By evening, the UV levels dip back down, returning to a safe 1, indicating it's time to relax and enjoy the cooler, softer light of sunset.

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	7	high	25 min
11:00	9	very high	15 min
12:00	10	very high	15 min
13:00	10	very high	15 min
14:00	8	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 Sihe

Throughout the year, UV index levels exhibit significant seasonal changes, with the highest risk occurring during the summer months. From March to October, the UV index peaks, especially in July and August, when it reaches an extreme level of 12 and 11 respectively, resulting in a quick burn time of just 10 minutes. Conversely, the UV index is at its lowest in December and January, categorizing these months as moderate risk, where the burn time extends to 30 minutes. Visitors and residents should be especially cautious during the high-risk months of March to October, advising the use of sunscreen, protective clothing, and seeking shade during peak sunlight hours to minimize the risk of skin damage. Always check the local UV index before outdoor activities to ensure safe sun exposure.

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
Sihe	5	6	8	9	10	10	12	11	10	8	6	4
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