UV Index in Tainan, Taiwan

Last updated: May 3, 2025

Understanding the UV Index is crucial for residents and visitors in Tainan, Taiwan, where the sun can be both a source of warmth and a potential health hazard. Knowledge of UV levels is essential for preventing sunburn and safeguarding skin health, especially with peak UV readings in the afternoon reaching a high of 13. Tainan's subtropical climate contributes to significant UV exposure risks, especially during summer, making it vital to stay informed on daily UV ratings and take appropriate sun protection measures. Stay safe and enjoy the sunny days while keeping your skin healthy!

Hourly UV Index in Tainan

As the sun rises, the UV Index creeps up from a low of 2 at 07:00. By 09:00, it reaches a moderate 7, signaling that sun protection is becoming essential. The peak intensity occurs at 12:00, when the UV Index soars to 13, a reminder of the midday sun's strength. From 11:00 to 13:00, it remains elevated, hitting a maximum of 12 before it gradually declines to 9 by 14:00. The late afternoon sees a noticeable drop, as the UV levels fall to 3 by 16:00. As the day winds down, the index drops to 1 by 17:00, then fades to 0 by 19:00, marking the end of a sun-drenched day. Remember to stay protected during those 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	12	extreme	10 min
12:00	13	extreme	10 min
13:00	11	extreme	10 min
14:00	9	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 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