UV Index in Tonghu, China

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents and visitors of Tonghu, China, particularly given the area's Cwa climate, which can lead to varying levels of ultraviolet radiation throughout the day. Awareness of UV levels is essential for promoting sunburn prevention and maintaining overall skin health, as high UV exposure can lead to serious skin issues. During peak hours, especially between 11:00 AM and 1:00 PM, Tonghu experiences notably high UV readings, reaching up to 13, making it vital to take protective measures to safeguard your skin from harmful rays. Stay informed to enjoy the sunny days safely!

Hourly UV Index in Tonghu

As the sun climbs higher in the sky, the UV Index sharply rises, reaching its peak at 12:00 PM with a striking level of 13. Early risers will find moderate exposure between 7:00 AM and 8:00 AM, registering a low 1 and a moderate 3, respectively. The intensity escalates rapidly, hitting 9 by 10:00 AM and soaring to a maximum of 12 at 11:00 AM. This level of intensity remains steady until 1:00 PM, where it settles at 13 before gradually declining to 11 by 2:00 PM. The afternoon brings a noticeable drop, with values gently tapering off to 7 at 3:00 PM, then fading to 4 by 4:00 PM, and finally trailing off to 1 by 6:00 PM. This data underscores the importance of sun protection during peak hours when UV exposure is at its highest. Stay safe and enjoy the sunshine! ☀️

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	6	high	25 min
10:00	9	very high	15 min
11:00	12	extreme	10 min
12:00	13	extreme	10 min
13:00	13	extreme	10 min
14:00	11	extreme	10 min
15:00	7	high	25 min
16:00	4	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 Tonghu

Throughout the year, UV exposure fluctuates significantly, with the highest risk occurring during the spring and summer months. Notably, March to September features extreme levels, peaking at a UV Index of 14 in May, where the burn time is just 10 minutes. Visitors and residents should be particularly cautious during these months, as the risk for skin damage is elevated. February and October present very high exposure, requiring protective measures, while January and December see a return to high exposure levels, allowing for longer burn times of 25 minutes. To minimize risks, individuals are advised to wear protective clothing, apply sunscreen regularly, and seek shade, especially during peak daylight hours.

Monthly Maximum UV Index for Tonghu, China

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

The table above highlights how UV exposure in Tonghu 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.

Tonghu'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
Tonghu	7	10	12	12	14	12	13	13	12	10	9	7
Shenzhen UVI	7	10	12	12	14	13	13	13	12	11	9	7