UV Index in Yuen Long Kau Hui, Hong Kong

Last updated: June 2, 2025

Understanding the UV Index in Yuen Long Kau Hui, Hong Kong, is crucial for protecting your skin and maintaining overall health. With temperatures often soaring and a Cwa climate bringing sunny days, awareness of UV levels is particularly important for sunburn prevention and minimizing long-term skin damage. The UV Index peaks at a dangerous level of 13 around midday, indicating a significant risk of harm from unprotected sun exposure. By staying informed about UV levels, residents can take necessary precautions to enjoy the sun safely without compromising their skin health.

Hourly UV Index in Yuen Long Kau Hui

The UV Index on this particular day reflects the sun's intensity, peaking around 12:00 PM with a striking 13. Early morning hours start off gently, with a 1 at 7:00 AM and gradually climbing to a moderate 3 by 8:00 AM. By 9:00 AM, the index reaches a notable 6, but the afternoon demands attention as it escalates sharply to 12 and then stabilizes at 13 between 12:00 PM and 1:00 PM. As the sun begins to descend, the UV levels reduce, dropping to 10 at 2:00 PM, then tapering off to a manageable 4 by 4:00 PM. Finally, as the day winds down, the index falls to 1 by 6:00 PM, confirming that the sun’s effects diminish as twilight approaches. Be sure to protect your skin during the midday peak!

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	6	high	25 min
10:00	9	very high	15 min
11:00	12	extreme	10 min
12:00	13	extreme	10 min
13:00	13	extreme	10 min
14:00	10	very high	15 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 Yuen Long Kau Hui

The UV Index experiences significant seasonal variation, with the highest levels typically occurring from March to October. During February to October, the UV Index often falls into the very high to extreme categories, with March to May peaking at an index of 14 in May. High-risk months are primarily from February (10) to October (11), where sunburn can occur in as little as 10 to 15 minutes of unprotected exposure. Residents and visitors are advised to take protective measures such as wearing sunscreen, protective clothing, and sunglasses, especially during these high-risk months to minimize the risk of skin damage.

Monthly Maximum UV Index for Yuen Long Kau Hui, Hong Kong

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

The table above highlights how UV exposure in Yuen Long Kau Hui 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.

Yuen Long Kau Hui'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
Yuen Long Kau Hui	7	10	12	12	14	13	13	13	12	11	9	7
Tung Chung 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