UV Index in Tiantai, China

Last updated: May 3, 2025

Understanding the UV Index is crucial for residents of Tiantai, China, where the combination of a humid subtropical climate and high sun exposure can elevate UV levels significantly throughout the day. Knowing these levels is essential for effective sunburn prevention and maintaining skin health, especially during peak hours when the UV Index can reach as high as 12 between noon and 1 PM. As you plan your outdoor activities, being aware of the UV Index helps you make informed decisions to protect yourself against harmful UV rays and ensures you can enjoy Tiantai’s beautiful environment safely.

Hourly UV Index in Tiantai

At dawn, the UV Index starts off gently, peaking at just 1 by 7:00 AM. As the sun climbs higher, its intensity increases rapidly, reaching 4 by 9:00 AM and striking 10 by 11:00 AM—a clear warning to seek shade or slather on sunscreen. The highest reading of 12 occurs at both noon and 1:00 PM, indicating peak solar intensity. Fortunately, as afternoon approaches, the index begins to wane, dropping to 8 by 3:00 PM and further declining to below 5 by 4:00 PM. By the time 7:00 PM rolls around, the UV danger has diminished significantly, settling back to a safe 1. Stay protected during those intense midday hours!

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

Monthly UV Index Trends in Tiantai

Throughout the year, UV exposure changes significantly, with the highest risk months occurring from March to August, where the UV Index peaks at 12, categorizing it as extreme and resulting in a burn time of only 10 minutes. In contrast, the lowest risk months are January and December, with a moderate exposure category of 5, allowing for a burn time of 30 minutes. Notably, April and May also carry high risks, urging visitors and residents to take extra precautions. As a general guideline, during the high UV index months, it is crucial to seek shade, wear protective clothing, and apply sunscreen frequently to minimize the risk of skin damage.

Monthly Maximum UV Index for Tiantai, China

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

The table above highlights how UV exposure in Tiantai 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.

Tiantai'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
Tiantai	5	7	9	11	12	12	12	12	10	9	7	5
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