UV Index in Tai O, Hong Kong

Last updated: May 3, 2025

In Tai O, Hong Kong, awareness of the UV Index is crucial for anyone basking in the sun's rays. Understanding the UV levels not only aids in preventing painful sunburns but also plays a vital role in maintaining overall skin health. Given Tai O's Cwa climate, residents and visitors are often exposed to elevated UV radiation, especially during midday hours where levels can peak at a striking 14. By keeping an eye on the UV Index, you can enjoy the natural beauty of Tai O while protecting your skin from harmful effects.

Hourly UV Index in Tai O

The UV Index throughout the day displays a dynamic rise and fall, peaking at 14 around 12:00 PM, indicating a high risk of harm from unprotected sun exposure. Starting with a gentle 1 at 07:00, it escalates quickly, climbing to a 9 by 10:00 AM. The index reaches its zenith at noon before gradually tapering down to 2 by 17:00, and finally settling at 0 by 19:00. This pattern highlights the importance of sun protection during the midday hours when UV radiation is at its most intense, urging everyone to be vigilant and stay safe!

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	12	extreme	10 min
12:00	14	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	0	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