UV Index in Tongzha, China

Last updated: May 3, 2025

Understanding the UV Index in Tongzha, China is crucial for promoting sun safety and protecting skin health. The UV levels can soar, especially between 10:00 AM and 2:00 PM, reaching a maximum of 10, which indicates a high risk of harm from unprotected sun exposure. Being aware of these levels helps in preventing painful sunburns and long-term skin damage. Given Tongzha's Cfa climate, characterized by hot summers, residents and visitors alike should recognize the importance of checking the UV Index before heading outdoors, ensuring they take the necessary precautions to enjoy the sunshine safely.

Hourly UV Index in Tongzha

As the sun rises, the UV Index gradually climbs, starting at a modest 2 at 7:00 AM. By 9:00 AM, it leaps to 6, signaling that the rays are intensifying. The peak occurs from 11:00 AM to 1:00 PM, where the UV Index hits a high of 10, urging sun protection measures. As the afternoon progresses, the index declines, dipping down to 5 at 3:00 PM and further to 1 by 5:00 PM. Finally, as the sun sets at 7:00 PM, it drops to 0, marking a safe end to skin exposure. It's a clear reminder that midday sun presents the greatest risk, making careful planning essential for outdoor activities.

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	6	high	25 min
10:00	8	very high	15 min
11:00	10	very high	15 min
12:00	10	very high	15 min
13:00	10	very high	15 min
14:00	7	high	25 min
15:00	5	moderate	30 min
16:00	3	moderate	30 min
17:00	1	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Tongzha

The UV Index demonstrates notable seasonal fluctuations, with high-risk months occurring from March to September, where values peak at 11 during the summer, categorizing these months as having an extreme exposure level. In these periods, the burn time significantly decreases, reducing to just 10 minutes in June, July, and August. Visitors and residents should be particularly cautious during these months, applying sunscreen and wearing protective clothing to minimize the risk of sunburn and skin damage. Conversely, the winter months of January, November, and December show a moderate UV Index, allowing for longer exposure times of up to 30 minutes. It is crucial for individuals to stay informed about these changes and adjust their outdoor activities accordingly to safeguard their skin health throughout the year.

Monthly Maximum UV Index for Tongzha, China

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

The table above highlights how UV exposure in Tongzha 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.

Tongzha'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
Tongzha	5	6	8	10	10	11	11	11	10	8	5	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