UV Index in Nangan, Taiwan

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents and visitors in Nangan, Taiwan, where sunny days can quickly lead to harmful sun exposure. By keeping an eye on UV levels, you can effectively prevent sunburn and protect your skin health, ensuring outdoor activities remain enjoyable and safe. Nangan's climate, classified as Cfa, presents unique challenges, especially with peak UV readings reaching a staggering 13 at noon. This highlights the importance of being aware of daily UV fluctuations and taking necessary precautions to safeguard yourself from overexposure during peak hours.

Hourly UV Index in Nangan

As the sun rises, the UV Index gradually climbs, starting at a modest 2 at 7:00 AM. By 8:00 AM, it sharply increases to 4, setting the stage for the day's peak. The intensity hits its zenith at 12:00 PM, soaring to 13—a potent reminder to take sun safety precautions. As the afternoon unfolds, the UV levels begin to wane, dipping to 9 by 2:00 PM and further declining to 6 by 3:00 PM. The evening brings a gentle decline, with the index falling to 2 by 5:00 PM and tapering off to 0 by 7:00 PM. This dynamic pattern emphasizes the importance of sun protection, particularly during the midday hours when the UV rays are strongest.

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	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	2	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Nangan

Throughout the year, the UV Index experiences significant fluctuations, with the highest levels occurring from March to September. The peak risk months are typically April through August, when the UV Index reaches extreme levels (12-13), indicating a burn time as short as 10 minutes. Visitors and residents are strongly advised to take precautions during these high-risk months, such as using broad-spectrum sunscreen, wearing protective clothing, and seeking shade during peak sun hours. In contrast, during December and January, the UV Index drops to levels categorized as high or moderate, allowing for relatively safer outdoor activities with a burn time of 25 minutes. Nonetheless, it is essential to remain vigilant against UV exposure year-round.

Monthly Maximum UV Index for Nangan, Taiwan

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

The table above highlights how UV exposure in Nangan 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.

Nangan'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
Nangan	7	8	10	11	12	13	13	13	11	9	8	6
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 UVI	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