UV Index in Tongchang, China

Last updated: June 2, 2025

In Tongchang, China, being aware of the UV Index is crucial for safeguarding your skin health and preventing sunburn. As residents and visitors enjoy the region's vibrant climate, understanding the fluctuating UV levels throughout the day—reaching a peak of 14 around 1 PM—becomes essential. The Cwb climate in Tongchang often delivers sunny days, amplifying the risk of UV exposure. By staying informed about the UV Index, you can take proactive measures to protect yourself from harmful rays, ensuring that your time under the sun is both enjoyable and safe.

Hourly UV Index in Tongchang

The UV Index data for the day reveals a distinct peak in sun exposure around midday. Starting from a modest 1 at 07:00, the index gradually climbs to reach 10 by 11:00 and an intense 13 at 12:00. The zenith occurs at 14:00, where it hits a striking 14, signaling a high risk of harm from unprotected sun exposure. As the afternoon unfolds, the index begins to descend, settling at 11 by 15:00 and tapering down to 4 by 17:00. In the evening, it cools again to 1 by 19:00, highlighting the critical hours for sun protection and reminding us to stay vigilant during the sun's peak intensity.

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	2	low	45 min
09:00	4	moderate	30 min
10:00	7	high	25 min
11:00	10	very high	15 min
12:00	13	extreme	10 min
13:00	14	extreme	10 min
14:00	13	extreme	10 min
15:00	11	extreme	10 min
16:00	8	very high	15 min
17:00	4	moderate	30 min
18:00	2	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Tongchang

Throughout the year, the UV Index experiences significant seasonal fluctuations, peaking during the warmer months. The highest risk occurs from March to October, where the index escalates to extreme levels (12-16), with a notably intense peak in July at 16, indicating a mere 10-minute burn time. Conversely, the months of January and February start with a very high index (8-9), while December showcases a high level (7), allowing for a longer 25-minute burn time. Visitors and residents are strongly advised to take precautions, particularly during the high-risk months from March through October. This includes wearing protective clothing, applying sunscreen frequently, and seeking shade during peak sunlight hours to mitigate the risk of skin damage.

Monthly Maximum UV Index for Tongchang, China

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

The table above highlights how UV exposure in Tongchang 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.

Tongchang'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
Tongchang	8	9	12	13	14	14	16	14	13	12	9	7