UV Index in Tainan, China

Last updated: June 2, 2025

In Tainan, China, being aware of the UV Index is crucial for maintaining skin health and preventing sunburn. Understanding UV levels allows residents and visitors to take appropriate precautions when enjoying the area's typically sunny climate. With a Cfa climate, Tainan experiences intense sunlight, especially during peak hours when UV Index values can soar up to 10 from 11:00 AM to 1:00 PM. By staying informed about these levels, you can protect your skin and fully enjoy the vibrant outdoor activities that this beautiful city has to offer.

Hourly UV Index in Tainan

As the sun rises, the UV Index starts low at 2 at 7:00 AM, gradually climbing to a moderate 4 by 8:00 AM. The intensity peaks dramatically at 10:00 AM, reaching an impressive 10—a clear signal for outdoor enthusiasts to take precautions. From 11:00 AM to 1:00 PM, the UV Index remains steady at this maximum level, ensuring that midday sun exposure can be quite harmful. After 2:00 PM, the index begins its descent, dropping to 8 by 2:00 PM and further declining to 5 at 3:00 PM. As the afternoon wanes, the UV Index falls to 3 by 4:00 PM, with evening hours presenting little risk, dipping to 1 at 5:00 PM and finally dropping to 0 by 7:00 PM. Overall, a midday outing requires caution, but post-lunch hours offer safer conditions for sun lovers.

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	4	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	8	very high	15 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 Tainan

Throughout the year, the UV Index shows significant seasonal changes, with the highest levels occurring during the summer months. From July to August, the UV Index reaches an extreme level of 11, resulting in a burn time of just 10 minutes. March through September also sees very high to extreme UV levels, with April and May maintaining a very high index of 10, necessitating caution for outdoor activities. Conversely, the months of January and December have the lowest UV levels, categorized as moderate, with a burn time of 30 minutes. For visitors and residents, it's crucial to practice sun safety during high-risk months (March to September) by wearing protective clothing, using broad-spectrum sunscreen, and limiting sun exposure during peak hours.

Monthly Maximum UV Index for Tainan, China

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

The table above highlights how UV exposure in Tainan 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.

Tainan'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
Tainan	4	6	8	10	10	10	11	11	10	7	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