UV Index in Chatou, China

Last updated: May 3, 2025

Understanding the UV Index is crucial for residents and visitors of Chatou, China, as it plays a significant role in safeguarding skin health and preventing sunburn. With the city's Dwa climate, which features hot summers and cold winters, the potential for high UV exposure — especially during the midday hours when the index peaks at 9 — makes awareness essential. By keeping track of UV levels throughout the day, you can take necessary precautions to protect your skin from harmful effects, ensuring that your time in the sun remains enjoyable and safe.

Hourly UV Index in Chatou

The UV index for the day shows a dynamic range of sun exposure, starting with a low 1 at 07:00 before ramping up to a peak of 9 between 11:00 and 13:00. This peak indicates high levels of ultraviolet radiation, making it essential to protect your skin during these hours. As the afternoon progresses, the index begins to decline, dropping to 6 at 15:00 and further down to 1 by 19:00. For those planning outdoor activities, it's wise to be cautious and consider sunscreen during peak hours to enjoy the sun safely!

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	9	very high	15 min
13:00	9	very high	15 min
14:00	7	high	25 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	1	low	45 min

Monthly UV Index Trends in Chatou

As the seasons change, so do the UV Index levels, significantly influencing sun exposure risk. In the winter months of January and December, the UV Index is low (2), allowing for longer exposure times of up to 45 minutes without burning. February marks a transition to moderate exposure (UV Index 4) with a burn time of 30 minutes. However, from March through September, the UV Index escalates, peaking at 10 during June and July, indicating very high exposure risk and a burn time of only 15 minutes. The high-risk months are clearly defined between April and August, when the UV Index remains consistently high to very high. With decreasing UV levels in the fall, October sees a high UV Index of 6, while November returns to moderate levels. For visitors and residents, it is crucial to adopt sun safety measures—such as using sunscreen, wearing protective clothing, and seeking shade—especially during the most dangerous months of April to August. Stay informed and protect your skin to enjoy the sun safely!

Monthly Maximum UV Index for Chatou, China

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

The table above highlights how UV exposure in Chatou 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.

Chatou'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
Chatou	2	4	6	8	9	10	10	9	8	6	3	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