uvlevel.net

UV index in Hong Kong

Hong Kong · 22.32, 114.17

Today's peak12:00 local
6.4

Today's peak is high. Unprotected skin burns in about 26 min at the worst hour: stay in the shade around midday.

Danger window today (UV 3+)
09:16 → 15:43
Sunrise → sunset
06:28 → 17:44
Open the live dashboard for Hong Kong →

About the UV index in Hong Kong

Hong Kong sits at 22.3° N, in the northern hemisphere. Today's UV peaks at 6.4: the "high" band, which uvlevel.net treats as danger for unprotected skin at the worst hour.

In the Northern Hemisphere at this latitude, UV climbs highest around June and July and eases, without disappearing, around December and January. Even the winter trough here can still cross the moderate band near midday.

Hour by hour today

UV index for every hour of today in Hong Kong, 22.32, 114.17, local time.
Local timeUV indexRisk
00:000No danger
01:000No danger
02:000No danger
03:000No danger
04:000No danger
05:000No danger
06:000No danger
07:000.2No danger
08:000.9No danger
09:002.5No danger
10:004.4Caution
11:006.1Danger
12:006.4Danger
13:006.1Danger
14:005Caution
15:004.2Caution
16:002.6No danger
17:001No danger
18:000.1No danger
19:000No danger
20:000No danger
21:000No danger
22:000No danger
23:000No danger

Time to burn today

Time to burn without sunscreen, per Fitzpatrick skin type, at today's peak of UV 6.4 in Hong Kong. Real-world sunscreen use is about a third of the tested layer, so a treated time is a ceiling, not a promise.
Skin typeTime to burn
I · always burns, never tans21 min
II · burns easily26 min
III · burns sometimes36 min
IV · rarely burns47 min
V · brown skin1 h 02 min
VI · deeply pigmented1 h 44 min

Next 7 days · daily peak

Today
09:16–15:43
6.4
Thu 5
09:09–15:52
6.6
Fri 6
09:11–15:52
6.3
Sat 7
09:17–14:24
5.7
Sun 8
09:22–15:50
6.4
Mon 9
09:16–15:51
6.5
Tue 10
09:14–15:48
6.4

Frequently asked

Is the UV index dangerous in Hong Kong today?

Yes. UV in Hong Kong is forecast to reach 3 or higher from 09:16 to 15:43 local time today, peaking at 6.4.

What time is UV highest in Hong Kong?

UV is highest in Hong Kong at around 12:00 local time today, reaching 6.4.

How long can unprotected skin stay out in Hong Kong today?

At today's peak of 6.4, fair skin (Fitzpatrick type II) with no sunscreen burns in about 26 min. Darker skin types take longer. See the table above for every type.

Does the UV index in Hong Kong change with the seasons?

In the Northern Hemisphere at this latitude, UV climbs highest around June and July and eases, without disappearing, around December and January. Even the winter trough here can still cross the moderate band near midday.

Nearby cities

Browse all cities →Burn-time guide →How the forecast works →

Forecasts and elevation from Open-Meteo. The second UV opinion contains modified Copernicus Atmosphere Monitoring Service (CAMS) information; neither the European Commission nor ECMWF is responsible for how it is used here.

uvlevel.net gives general sun-safety guidance, not medical advice. Photosensitising medication, skin conditions, infants and a history of skin cancer all call for stricter limits than shown here.