UV Index in Sandu, China

Last updated: June 2, 2025

Awareness of the UV Index is crucial for residents and visitors in Sandu, China, where the Cfa climate brings warm summers and varying sun exposure. Understanding UV levels helps prevent sunburn and protect skin health, ensuring you enjoy the outdoors safely. With peak UV Index values reaching 12 around noon, it’s vital to be cautious during the midday hours when the risk of skin damage is highest. Familiarizing yourself with these UV levels can empower you to take necessary precautions, like wearing sunscreen and protective clothing, to keep your skin healthy under the bright sun of Sandu.

Hourly UV Index in Sandu

The UV index shows a striking pattern throughout the day, starting off at a mild 2 at 07:00 and gradually climbing to a peak of 12 by noon. As the morning warms, it reaches an energetic 9 at 10:00, then surges to its maximum intensity of 11 at 11:00 before hitting 12 at 12:00, urging sunbathers and outdoor enthusiasts to take precautions. The afternoon sees a gentle decline, with the UV index slipping back to 9 at 14:00 before tapering to 6 and finally dropping to 2 by 17:00. As night approaches, the UV exposure diminishes dramatically, resting at 0 by 19:00. Embrace the sunshine early, but remember to seek shade and protect your skin during the peak hours!

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	6	high	25 min
10:00	9	very high	15 min
11:00	11	extreme	10 min
12:00	12	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 Sandu

As the seasons change, so does the UV Index, significantly impacting sun exposure risks throughout the year. The months of March to September present the highest UV levels, peaking in May and June with an extreme index of 11-12 and a burn time of just 10 minutes. Specifically, March and April also carry very high values (9-10), while October briefly returns to a very high index of 8. Thus, visitors and residents should take extra precautions from March through October, utilizing sunscreen, wearing protective clothing, and seeking shade, particularly during peak sunlight hours. With January and February having a high index but longer burn times, individuals should also remain vigilant during these months. In contrast, November and December see a drop to moderate and high levels, allowing for a bit more leeway, but sun protection should still be considered.

Monthly Maximum UV Index for Sandu, China

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

The table above highlights how UV exposure in Sandu 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.

Sandu'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
Sandu	6	7	9	10	11	12	12	11	11	8	6	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