UV Index in Tuen Mun, Hong Kong

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents and visitors in Tuen Mun, Hong Kong, where the tropical climate can lead to high levels of ultraviolet radiation. As UV levels soar, especially around noon where they peak at a blistering 13, being aware of these fluctuations is vital for sunburn prevention and maintaining long-term skin health. Given Tuen Mun's Cwa climate, which offers warm summers and mild winters, residents must stay informed and vigilant against potential sun exposure risks. By understanding UV levels and taking appropriate precautions, you can enjoy the sun safely and protect your skin from damage.

Hourly UV Index in Tuen Mun

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 Tuen Mun

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 Tuen Mun, Hong Kong

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

The table above highlights how UV exposure in Tuen Mun 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.

Tuen Mun'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
Tuen Mun	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
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