uvlevel.net

UV index in Perth

Western Australia, Australia · -31.95, 115.86

Today's peak12:00 local
8.4

Today's peak is very high. Skin damage happens fast: roughly 20 min before burning at the worst hour. Avoid direct sun entirely inside the danger window below.

Danger window today (UV 3+)
08:50 → 16:14
Sunrise → sunset
06:13 → 18:09
Open the live dashboard for Perth →

About the UV index in Perth

Perth sits at 31.9° S, in the southern hemisphere. Today's UV peaks at 8.4: the "very high" band, which uvlevel.net treats as serious danger for unprotected skin at the worst hour.

In the Southern Hemisphere at this latitude, UV climbs highest around December and January and eases, without disappearing, around June and July. 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 Perth, -31.95, 115.86, 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
07:000.3No danger
08:001.4No danger
09:003.3Caution
10:005.7Caution
11:007.6Danger
12:008.4Serious danger
13:007Danger
14:006.3Danger
15:005.1Caution
16:003.4Caution
17:001.7No danger
18:000.4No 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 8.4 in Perth. 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 tans16 min
II · burns easily20 min
III · burns sometimes28 min
IV · rarely burns36 min
V · brown skin48 min
VI · deeply pigmented1 h 20 min

Next 7 days · daily peak

Today
08:50–16:14
8.4
Fri 18
09:12–15:50
6.8
Sat 19
09:06–14:31
6.6
Sun 20
10:38–16:08
6.9
Mon 21
09:03–16:15
7
Tue 22
08:52–16:12
7
Wed 23
10:17–16:02
5.5

Frequently asked

Is the UV index dangerous in Perth today?

Yes. UV in Perth is forecast to reach 3 or higher from 08:50 to 16:14 local time today, peaking at 8.4.

What time is UV highest in Perth?

UV is highest in Perth at around 12:00 local time today, reaching 8.4.

How long can unprotected skin stay out in Perth today?

At today's peak of 8.4, fair skin (Fitzpatrick type II) with no sunscreen burns in about 20 min. Darker skin types take longer. See the table above for every type.

Does the UV index in Perth change with the seasons?

In the Southern Hemisphere at this latitude, UV climbs highest around December and January and eases, without disappearing, around June and July. 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.