UV Index in Tainan, Taiwan

Last updated: July 2, 2025

Understanding the UV Index in Tainan, Taiwan, is crucial for protecting your skin against harmful ultraviolet rays. With peak UV levels often reaching 13 during midday, awareness of these readings can significantly aid in sunburn prevention and overall skin health. Tainan's tropical climate brings abundant sunshine, making it essential to know when to seek shade or apply sunscreen. By keeping an eye on the UV Index, you can enjoy the outdoor beauty of Tainan while staying safe from unwanted skin damage.

Hourly UV Index in Tainan

The UV Index throughout the day showcases a striking pattern of intensity, peaking sharply around 11:00 AM and 12:00 PM with a robust 13, signaling a high risk for sun exposure during these hours. Early morning starts gently at 2 at 7:00 AM, then steadily climbs, passing through moderate levels at 8:00 AM and 9:00 AM, before reaching a critical point with a 10 at 10:00 AM. Post-noon, the index gradually declines, dropping to 6 by 3:00 PM and further to a much safer 1 by the evening at 5:00 PM and 6:00 PM, where it ultimately settles at 0 by nightfall. To enjoy the sun while protecting your skin, plan outdoor activities early or enjoy them after the peak 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	2	low	45 min
08:00	4	moderate	30 min
09:00	7	high	25 min
10:00	10	very high	15 min
11:00	13	extreme	10 min
12:00	13	extreme	10 min
13:00	12	extreme	10 min
14:00	9	very high	15 min
15:00	6	high	25 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 exhibits significant seasonal variations, with high-risk months identified primarily from March to September when the index reaches extreme levels of 10 to 13 and a rapid burn time of only 10 minutes. Visitors and residents should exercise extreme caution during these months, ensuring they apply broad-spectrum sunscreen, wear protective clothing, and seek shade when necessary. The very high UV Index persists in January, February, October, and November, recommending a burn time of 15 minutes, where individuals should remain vigilant about sun exposure. The lowest UV exposure occurs in December, with a high index and a burn time of 25 minutes. Overall, from March to September, sun safety measures are crucial to prevent skin damage and maintain health.

Monthly Maximum UV Index for Tainan, Taiwan

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 Taiwan Cities

The table above highlights how UV exposure in Tainan compares to other major locations across Taiwan. 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 Taiwan. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Banqiao UVI	7	9	11	11	12	12	13	12	12	10	8	6
Taipei UVI	7	9	11	11	12	12	13	12	12	10	8	6
Tainan	8	10	13	12	13	13	13	13	12	10	10	7
Taichung UVI	8	10	12	12	13	13	13	13	12	10	9	7
Kaohsiung UVI	8	11	12	13	13	13	14	14	12	11	10	7