uvlevel.net

UV index in Las Vegas

Nevada, United States · 36.17, -115.14

No forecast service was reachable when this page was generated. The numbers below are computed from solar elevation and altitude alone. The shape of the day is right, but treat every figure here as approximate.
Today's peak12:00 local
4.2

Today's peak reaches moderate levels. Unprotected skin starts to redden in about 40 min at the worst hour: shade, sunglasses and SPF 30 are enough.

Danger window today (UV 3+)
10:06 → 13:53
Sunrise → sunset
08:00 → 16:00
Open the live dashboard for Las Vegas →

About the UV index in Las Vegas

Las Vegas sits at 36.2° N, in the northern hemisphere. Today's UV peaks at 4.2: the "moderate" band, which uvlevel.net treats as caution for unprotected skin at the worst hour.

Las Vegas sees the widest UV swing of the year of any latitude band: a sharp summer peak around June and July, and a winter trough around December and January where midday UV can sit near zero for weeks at a time.

Hour by hour today

UV index for every hour of today in Las Vegas, 36.17, -115.14, 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
07:000No danger
08:000.6No danger
09:001.6No danger
10:002.9No danger
11:003.8Caution
12:004.2Caution
13:003.8Caution
14:002.9No danger
15:001.6No danger
16:000.6No danger
17:000No danger
18:000No 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 4.2 in Las Vegas. 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 tans32 min
II · burns easily40 min
III · burns sometimes56 min
IV · rarely burns1 h 11 min
V · brown skin1 h 35 min
VI · deeply pigmented2 h 39 min

Next 7 days · daily peak

Today
10:06–13:53
4.2
Thu 5
10:12–13:48
4.1
Fri 6
10:13–13:46
4.1
Sat 7
10:18–13:42
4
Sun 8
10:20–13:40
4
Mon 9
10:20–13:40
3.9
Tue 10
10:26–13:33
3.9

Frequently asked

Is the UV index dangerous in Las Vegas today?

Yes. UV in Las Vegas is forecast to reach 3 or higher from 10:06 to 13:53 local time today, peaking at 4.2 (estimated from solar position, live forecast data was unavailable).

What time is UV highest in Las Vegas?

UV is highest in Las Vegas at around 12:00 local time today, reaching 4.2 (estimated from solar position, live forecast data was unavailable).

How long can unprotected skin stay out in Las Vegas today?

At today's peak of 4.2, fair skin (Fitzpatrick type II) with no sunscreen burns in about 40 min (estimated from solar position, live forecast data was unavailable). Darker skin types take longer. See the table above for every type.

Does the UV index in Las Vegas change with the seasons?

Las Vegas sees the widest UV swing of the year of any latitude band: a sharp summer peak around June and July, and a winter trough around December and January where midday UV can sit near zero for weeks at a time.

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.