Weather in Las Vegas in June

How June compares

June is the 3rd warmest month of the year in Las Vegas and ranks 4th of 134 destinations we compare for June - see where else is hot in June. Within United States it is 1st of 6 (United States in June). Against London's average high of 19.6°C in June, Las Vegas is 16.5°C warmer by day and 11.0°C warmer at night.

Daytime and night-time in June

The typical June day in Las Vegas peaks at 36.1°C, but that is an average: the warmest 10% of days reach 40.6°C or more. About 98% of days top 25°C and almost every pass 30°C. Nights average 22.3°C; one night in ten drops to 17.4°C or lower, so pack a layer for evenings. Between 1991 and 2020 the hottest June day here reached 46.4°C (2017-06-20) and the coldest night 9.6°C (1999-06-04).

Rain in June

Dry (3 rainy days or fewer): about 0 days with 1 mm or more, 2 mm in total. Year to year it varies a lot - the wettest June was 1993 with 10 mm, the driest 2002 with 0 mm. Humidity averages 15%.

Sunshine and daylight

Around 12.1 hours of sunshine a day (estimated from cloud cover), 14.4 hours of daylight: the sun rises about 05:23 and sets about 19:59 local time in mid-June. Average cloud cover is 16%.

Is June a good time to visit Las Vegas?

It is a reasonable choice: hot days - though the heat can be intense at midday. The best months for Las Vegas on our scoring are May, October, April; months averaging 25°C or more: Apr, May, Jun, Jul, Aug, Sep, Oct.

Plan your day around the heat

The average high does not tell the whole story: the hottest days can reach 41°C or more, so a packed outdoor itinerary is a poor fit for June. Temperatures reach 30°C on 91% of days, making serious heat the normal expectation rather than an occasional spell. Put outdoor plans towards the morning, keep midday flexible for indoor breaks, and carry water rather than waiting until you feel thirsty. Lightweight, loose clothing, a hat and sun protection are sensible essentials. Evenings are more manageable, but with average lows around 22°C, do not expect the air to become cool as soon as the sun goes down.

Dry weather makes planning easier, but adds exposure

With about 0 rainy days, June gives you little reason to build your trip around wet-weather alternatives. The catch is the combination of prolonged sunshine and very dry air: humidity averages 15%, so lip balm and moisturiser may earn their place in your bag. There are about 14.4 hours of daylight, giving you room to shift outdoor time away from midday without feeling you have lost the day. That flexibility matters more than squeezing everything into the brightest hours. Choose plans that let you pause indoors when needed, rather than relying on cloud or rain to bring relief from the heat.