UV Index in Changhua, China

Last updated: July 2, 2025

In Changhua, China, understanding the UV Index is essential for safeguarding your skin and overall health. As a region characterized by a humid subtropical climate, Changhua experiences significant UV exposure, particularly during the midday hours when levels can reach an intense 13—a point at which sunburn can occur in mere minutes. By staying informed about daily UV levels, residents and visitors can take proactive measures to prevent sun damage, ensuring skin health and safety while enjoying the beautiful sunny days that this vibrant area offers. Stay sun-smart and protect yourself from harmful rays!

Hourly UV Index in Changhua

The UV Index today paints a vivid picture of solar intensity, peaking with maximum readings at 12:00 PM and 1:00 PM at an impressive 13, signaling that it's crucial to protect your skin during these hours. The morning hours start off mild, with values of 1 at 7 AM, gradually climbing to 4 by 9 AM. As the day progresses, a dramatic surge occurs, reaching 11 by 11 AM and hitting its zenith at 12 PM. Following this peak, the index gradually declines to 9 at 3 PM, before tapering off to 1 by 6 PM, making the late afternoon and evening much safer for outdoor activities. Stay smart and savvy about sun safety, especially during those 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	8	very high	15 min
11:00	11	extreme	10 min
12:00	13	extreme	10 min
13:00	13	extreme	10 min
14:00	12	extreme	10 min
15:00	9	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 Changhua

Throughout the year, the UV Index fluctuates significantly, with the highest levels occurring from February to October. The peak months for UV exposure are March, April, May, August, and September, each registering an UV Index of 13 or higher, categorizing them as extreme with a minimal burn time of just 10 minutes. Residents and visitors should especially be cautious during these months, as prolonged exposure can quickly lead to skin damage. In contrast, January, November, and December present lower UV levels (indices ranging from 8 to 9), categorized as very high, but still necessitate protective measures, especially for extended outdoor activities. To ensure safety, it is advisable to apply broad-spectrum sunscreen, wear protective clothing, and seek shade during peak sun hours, particularly from late morning to early afternoon.

Monthly Maximum UV Index for Changhua, China

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

The table above highlights how UV exposure in Changhua 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.

Changhua'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
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
Changhua	8	11	13	14	14	13	13	14	13	12	9	8