Weather in Las Vegas in October

Prime time. October is about as good as Las Vegas gets. Highs average 28.5 °C, lows 14.3 °C, and rain falls on 2 days — nothing in the month is working against you.

October ranks 4 of 12 in Las Vegas: past the worst of the year but short of April, which is the month to book if the dates are open.

Rain falls on only 2 days, so an itinerary with no wet-weather fallback is a reasonable risk. Pack for 28.5 °C days and 14.3 °C nights; the spread matters more here than any single number.

What the averages hide

Averages flatten a month, and this one hides a few things: 13 days top 30 °C — hot spells arrive, but they break. Across the twenty years measured, the hottest October day reached 38.5 °C and the coldest night fell to 0.5 °C.

This is the volatile part. October rainfall has ranged from 0 mm to 39 mm across the twenty years measured — a 39 mm spread around an average of 13 mm. The average is real but almost no individual October looks like it, so treat the figure as the middle of a wide range rather than a forecast.

Wind is light at 8.6 km/h, so the temperature on the page is close to the temperature on your skin, and the air is dry at 28% humidity, which makes the heat far more bearable than the same figure somewhere humid — and dehydrates you faster than you expect.

How October sits in the year

The month is on the way down: 7.6 °C cooler than September, with November dropping another 7.5 °C. The first week and the last are not the same trip.

Daylight in October

11.3 hours of daylight, losing 1.1 hours across the month. That is between Las Vegas's extremes of 14.6 and 9.7 hours, so days are long enough not to constrain the plan.

An inland climate

With no coast nearby, the year swings a fair way — 38.7 °C between the warmest afternoons and the coldest nights, wider than any coastal city at this latitude would manage. Within October itself the daily swing is 14.1 °C, so mornings and afternoons need different clothes.

How busy it gets

Peak season. Expect the highest prices of the year and to be booking well ahead.

Crowd levels are estimated from climate desirability and school-holiday calendars, not from visitor numbers.

October in Las Vegas versus nearby

If Las Vegas is one option among several, the nearby comparison is worth making. Riverside is close enough to be a coin toss — within a degree on temperature, the same number of rain days. Sedona is close enough to be a coin toss — 4.1 °C cooler, 2 days more rain.

So: October works, with April the better month by 7 points if the dates can move. If they cannot, nothing here should stop you booking.

Every month in Las Vegas

See all twelve months in Las Vegas, or where else to go in October.