Weatherwise, the best time to visit Las Vegas is during spring and autumn, from mid-March to April, and from mid-October to mid-November, so avoiding the intense summer heat as well as the winter cold spell.
For excursions to the Death Valley desert, or skiing in the Spring Mountains, the best time is from November to March.
Of course, Las Vegas is considered a year-round destination.
Located in the Mojave Desert, Las Vegas experiences a desert climate, with very hot summers and mild winters, although it's cold at night. Rainfall is minimal, often occuring as brief showers.
Summer, from June to September, is hot and sunny with low humidity and an average high of 40°C (104°F) during July and August. It can also be windy.
Autumn, in October and November, is initially warm and sunny, gradually becoming milder. Night time temperatures in November become increasingly cold.
Winter, from December to February, is sunny and mild during the day, while nights are cold.
Spring, from March to May, is sunny becoming gradually warmer. March can still be cold at night.
Note: Some hotels close their swimming pools between October and February, due to the chilly weather conditions.
Which is the hottest month in Las Vegas?
July is usually the hottest month in Las Vegas, with an average high temperature of 40°C (104°F), with high heat and a low of 27°C (80°F).
The warm season lasts from June through to mid-September, with an average daily high temperature above 35°C (95°F).
However, on the warmest days of summer, the temperature may climb to 45°C (113°F), and beyond.
Which is the coldest month in Las Vegas?
December is the coldest month in Las Vegas, with an average high temperature of 14°C (57°F) and an average night-time temperature of 4°C (39°F).
On the coldest nights of December, the temperature usually drops to around -1.5°C (29°F).
The cool season lasts from mid-November to late-February, with an average daily high temperature below 19°C (66°F).
When is it sunniest in Las Vegas?
The sunniest time of year in Las Vegas is usually June, with an average of 13 hours of sunshine per day – that's around 92% of daylight hours.
Which month has the most rain in Las Vegas?
February is usually the wettest month in Las Vegas with 21mm (≤ 1in) of rainfall on average, distributed across four days.
The wetter time of year usually lasts from mid-July through to late-March, with a greater than 7% chance of a given day being a wet day.
The dry season lasts from late-March to mid-July. The month with the least rainfall in Las Vegas is June.
Which is the windiest month in Las Vegas?
The windiest month of the year in Las Vegas is April, with an average hourly wind speed of 14 kilometres per hour (8.7 mph; 7.6 knots).
The windy part of the year lasts from mid-March through to mid-July, with average wind speeds of more than 13 kilometres per hour (8 mph; 7 knots).
The less-windy time of year lasts from mid-July through to mid-March. The calmest month of the year in Las Vegas is September, with an average hourly wind speed of 11 kilometres per hour (7 mph; 6 knots).
The predominant average wind direction in Las Vegas varies throughout the year.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
Average high temperature (°C) | |||||||||||
15 | 17 | 22 | 26 | 32 | 38 | 41 | 40 | 35 | 28 | 20 | 14 |
Average low temperature (°C) | |||||||||||
4 | 6 | 10 | 14 | 19 | 24 | 27 | 27 | 22 | 15 | 8 | 4 |
Average daily sunshine (hrs) | |||||||||||
8 | 8 | 10 | 11 | 12 | 13 | 12 | 12 | 11 | 10 | 8 | 7 |
Average daily daylight (hrs) | |||||||||||
10 | 11 | 12 | 13 | 14 | 14 | 14 | 13 | 12 | 11 | 10 | 9 |
Comfort level – heat | |||||||||||
UV Index (max) | |||||||||||
3 | 4 | 6 | 8 | 9 | 10 | 11 | 10 | 8 | 5 | 4 | 3 |
Average days of rainfall (≥1mm) | |||||||||||
3 | 4 | 3 | 2 | 1 | - | 2 | 2 | 2 | 2 | 2 | 3 |
Average monthly rainfall (mm) | |||||||||||
14 | 21 | 10 | 5 | 2 | - | 10 | 8 | 8 | 8 | 7 | 12 |
Average wind speed (km/h) | |||||||||||
12 | 12 | 13 | 14 | 14 | 14 | 13 | 11 | 11 | 11 | 12 | 12 |
Las Vegas, Nevada |
High season: May to May, and September to November
Shoulder season: December to February
Low season: June to August.
Note: Meteorological data for Las Vegas is based on weather statistics gathered for the 30-year period 1992 to 2021 by the National Weather Service (NWS / NOAA) from the closest weather stations: Harry Reid International Airport - Las Vegas Airport (LAS), formerly known as McCarran International Airport, located 8km (5mi) south of downtown Las Vegas; as well as North Las Vegas Airport (VGT), located 5km (3mi) northwest of downtown Las Vegas.
Advice on the best time to visit a particular destination is based on average local weather statistics, when the weather conditions are generally better than at other times of the year. We consider the high and low temperatures, risk of rain (and thunderstorms, etc.), the amount of sunshine and the sea temperature. Often, the best times correspond to high season and therefore involve higher prices.
Latest update: Best time to visit Las Vegas: 12 July, 2024
Disclaimer: The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. Weather data and conditions at any given location and time are unpredictable and variable. We assume no responsibility and can not be held legally responsible for any decisions made on the basis of the information presented on this site.
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