UV Index in Tai O, Hong Kong

Last updated: June 2, 2025

In Tai O, Hong Kong, awareness of the UV Index is essential for safeguarding your skin and promoting overall health. Understanding the UV levels can play a crucial role in preventing sunburn and reducing the long-term risks of skin damage, especially in a region like Tai O where the Cwa climate offers plenty of sunshine. With peak UV readings soaring as high as 13 during midday, residents and visitors alike should be proactive in their sun protection strategies to enjoy the beautiful outdoor scenery while minimizing exposure risks.

Hourly UV Index in Tai O

As the sun rises, the UV Index begins its ascent, peaking at 13 between 12:00 PM and 1:00 PM, making this the most critical time for sun exposure. Starting at a mild 1 at 7:00 AM, it steadily rises to 3 by 8:00 AM and jumps to 5 by 9:00 AM. The intensity further escalates to a striking 11 at 11:00 AM before reaching its zenith. After hitting 13, the index gradually declines throughout the afternoon, dropping to 7 at 3:00 PM and tapering off to a gentle 1 by 6:00 PM. It's essential to stay protected during those peak hours to enjoy the sun safely!

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	3	moderate	30 min
09:00	5	moderate	30 min
10:00	9	very high	15 min
11:00	11	extreme	10 min
12:00	13	extreme	10 min
13:00	13	extreme	10 min
14:00	11	extreme	10 min
15:00	7	high	25 min
16:00	4	moderate	30 min
17:00	2	low	45 min
18:00	1	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Tai O

Throughout the year, the UV Index exhibits significant fluctuations, highlighting varying levels of sun exposure risk. High-risk months, particularly from February to September, consistently show extreme levels, peaking in May with a UV Index of 14 and a minimal burn time of just 10 minutes. In these months, it is crucial for both visitors and residents to take precautionary measures; this includes using broad-spectrum sunscreen with a high SPF, wearing protective clothing, and seeking shade during midday hours. Conversely, the UV Index decreases during October to January, with high levels in January and December (UV Index 7) and very high in November (UV Index 9). While risk is lower during these months, UV protection remains advisable, especially during outdoor activities. Staying informed about UV changes can help ensure safe enjoyment of the sun year-round.

Monthly Maximum UV Index for Tai O, Hong Kong

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Tai O. 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 Tai O, 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 Tai O UV Index with Other Hong Kong Cities

The table above highlights how UV exposure in Tai O compares to other major locations across Hong Kong. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.

Tai O's solar exposure compared to other cities in Hong Kong. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Tai O	7	10	12	12	14	13	13	13	11	11	9	7
Tung Chung UVI	7	10	12	12	14	13	13	13	12	11	9	7
Yuen Long Kau Hui UVI	7	10	12	12	14	13	13	13	12	11	9	7
Tsuen Wan UVI	7	10	12	12	14	13	13	13	12	11	9	7
Kowloon UVI	7	10	12	12	14	13	13	13	12	11	9	7
Hong Kong UVI	7	10	12	12	14	13	13	13	12	11	9	7