UV Index in Central, Hong Kong

Last updated: June 2, 2025

In the vibrant heart of Central, Hong Kong, staying informed about the UV Index is crucial for safeguarding your skin and overall health. Understanding UV levels helps prevent sunburn and reduces the long-term risk of skin damage associated with excessive sun exposure. With a humid subtropical climate, residents and visitors alike face varying UV exposure risks throughout the day—peaking at a striking 13 between noon and 1 PM. By keeping a close eye on the UV Index, you can enjoy Central’s sunny days while protecting your skin from harmful rays.

Hourly UV Index in Central

The UV Index showcases a dynamic increase throughout the day, peaking at 13 around 12:00 PM. Starting from a gentle 1 at 7:00 AM, the index steadily climbs as the sun ascends, reaching 6 by 9:00 AM. The intensity becomes palpable by 11:00 AM with a sharp rise to 12, before hitting its zenith at 13 at noon, prompting caution for outdoor activities. As the afternoon unfolds, the levels begin to decline, dipping to 10 by 2:00 PM and gradually falling to 0 by 7:00 PM, signaling safer conditions for evening strolls. It’s essential to stay protected during the midday hours when the sun's rays are most intense!

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	12	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	0	low	45 min

Monthly UV Index Trends in Central

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 Central, Hong Kong

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

The table above highlights how UV exposure in Central 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.

Central'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
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
Central	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