UV Index in Tongzha, China

Last updated: June 2, 2025

Understanding the UV Index in Tongzha, China is crucial for safeguarding your skin against harmful ultraviolet rays. As the UV levels can reach a peak of 11 around noon, awareness of these fluctuations is vital for sunburn prevention and maintaining long-term skin health. With Tongzha's Cfa climate—characterized by humid subtropical conditions—residents and visitors alike face unique exposure risks when outdoors. By staying informed about the UV Index throughout the day, you can enjoy the sun while protecting your skin from its potentially damaging effects.

Hourly UV Index in Tongzha

The UV Index paints a vivid picture of the sun's intensity throughout the day. Starting with a gentle 2 at 7:00 AM, the index climbs steadily, reaching 3 by 8:00 AM. As the sun rises higher, it peaks at an impressive 11 at noon, signaling a time when sun protection is crucial. The index begins to taper off in the afternoon, with readings of 10 at 1:00 PM and 8 at 2:00 PM, before gradually decreasing to 6 at 3:00 PM. By late afternoon, the UV Index returns to a more moderate 3 at 4:00 PM, and continues to decline, settling at 1 by 6:00 PM. It’s clear that the midday sun demands respect, making awareness of UV levels essential for outdoor safety.

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	11	extreme	10 min
13:00	10	very high	15 min
14:00	8	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	1	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