March to May and October to November. Month by month below, with the weather, what's on and what it costs to fly there from your city.
Spring and fall have the best weather, with highs in the 70s and 80s F; April and October are the most consistently ranked, though crowds and prices run higher.
4 of the 4 travel guides we read name these months.
Average high and low in Las Vegas, and days with rain
JanuaryChecking fares…January is among the quietest months, with hotels dropping rates and crowds thinning.CES, the Consumer Electronics Show, in January raises hotel bookings and prices.Average highs are around 57F and lows near 39F.CES · College Football Playoff National Championship
FebruaryChecking fares…February is a good pick for pleasant weather and some of the smallest crowds.Average highs of about 62F and lows around 43F.
Best timeMarchChecking fares…March is especially busy because spring break starts the daytime pool parties.March has near-perfect weather, with highs around 70F, but can coincide with spring break crowds.March is one of the best months for weather, though nights can be chilly.
Best timeAprilChecking fares…April is consistently ranked among the best months, with highs in the 70s and 80s F and dry air.Desert wildflowers often bloom in April.The NAB Show in April fills rooms and raises hotel rates.
Best timeMayChecking fares…Electric Daisy Carnival, one of the largest music festivals in the world, takes place in May.Pool season peaks in May and June.Afternoon thunderstorms are possible in May and early June on Grand Canyon day trips.Electric Daisy Carnival Las Vegas
JuneChecking fares…June starts the low season: heat builds, and prices drop.Summer storms arrive in bursts from June to mid-September, and heavy rain can flood roads.World Series of Poker and Fourth of July can nudge prices up in summer.Light beam season in Antelope Canyon
JulyChecking fares…July and August bring extreme heat, with highs regularly above 105F, which keeps visitors away and pushes prices down.Plan outdoor activities for the morning and spend the day in air-conditioned venues.DEF CON · UFC International Fight Week
AugustChecking fares…August heat can reach 110F, so limit outdoor activities.Summer brings lower hotel rates and fewer crowds on the Strip.
SeptemberChecking fares…By September the heat breaks and crowds return, with Labor Day weekend hosting big pool parties.The iHeartRadio Music Festival is in September.September to November counts as high season.IHeartRadio Music Festival · Zion Canyon Music Festival
Best timeOctoberChecking fares…October has highs around 82F and lows near 60F, and is ranked among the best months.NASCAR races at Las Vegas Motor Speedway are typically in October.Some hotels close pools between October and February.
Best timeNovemberChecking fares…November cools quickly, and hotel rates typically drop after the first week.The Formula 1 Las Vegas Grand Prix in November is one of the busiest and most expensive weekends.Light jacket advised in November.Las Vegas Grand Prix
DecemberChecking fares…December is cool, festive and often affordable in the first three weeks.The National Finals Rodeo brings more than 100,000 visitors in December.New Year's Eve is one of the busiest and most expensive nights of the year.National Finals RodeoWeather: Las Vegas averages from NOAA (1991 to 2020 averages), as listed in its climate table on Wikipedia.
Live fares from your airport. Watch them and we alert you when they drop.
Festivals and seasons through the year
Cancún
The Grand Canyon
Disneyland
Miami
Myrtle Beach
Prague
Bali
Maui
Montreal
Venice
Aruba
New Orleans
Nashville
Disney World
New York
Rome
San Diego
Phuket
Boston
Dubai
Seoul
Florida
Lisbon
Los Angeles
Chicago
Paris
San Francisco
Edinburgh
Napa
Sydney
Hawaii
Scotland
Punta Cana
Savannah
Washington, DC
Mexico City
Zion National Park
Turks and Caicos
Puerto Vallarta
Honolulu
Banff
Yosemite
Tulum
The Bahamas
Sedona
Seattle
Santorini
Buenos Aires
London
Charleston
Rio de Janeiro
Palm Springs
Yellowstone
Amsterdam
Toronto
Key West
Orlando
Europe
Austin
Machu Picchu
Cabo San Lucas
Niagara Falls
Colorado
Oregon
Arizona
Acadia National Park
Galapagos
Lake Tahoe
Montana
Kauai
Okinawa
US Virgin Islands
Amalfi Coast
Santa Fe
Destin
Curacao
Utah
Joshua Tree
Patagonia
St. Thomas
Florida Keys
Smoky Mountains
Copenhagen
Death Valley
Mallorca
Madeira
Cape Town
Ibiza
Zanzibar
Lake Como
Madrid
New Mexico
Tennessee
Vermont
Wyoming
Bryce Canyon
Oahu
St. Martin
Hilton Head
Dolomites
Cape Cod
San Antonio
Rocky Mountain National Park
Dublin
Catalina Island
Athens
Asheville
Texas
South America
Shenandoah National Park
Phoenix
North Carolina
Medellín
Cairo
Budapest
Arches National Park
St. John
South Carolina
Reykjavik
Mykonos
Milan
Houston
Hanoi
Canary Islands
Big Island of Hawaii
Atlanta
The Caribbean
St. Barts
South Dakota
Rhode Island
New England
Nassau
Lima
Kyoto
Koh Samui
Colorado Springs
Chiang Mai
Stockholm
Porto
Montego Bay
Michigan
Melbourne
Louisiana
Kuala Lumpur
Kruger National Park
Jeju
Florence
Dallas
Zurich
Tampa
St. Kitts
Osaka
Munich
Moorea
Kailua-Kona
Everglades
Door County
Cusco
Calgary
Boracay
Bonaire
Swiss Alps
St. Croix
Seville
San Juan Islands
New Hampshire
Minnesota
Mazatlán
Manila
Kentucky
Isla Mujeres
Guam
French Riviera
Fort Lauderdale
Cinque Terre
Asia
Algarve
Virginia
Tenerife
Sapporo
Nairobi
Mumbai
The Hamptons
Grand Teton National Park
Finger Lakes
Charlotte
Bogotá
Auckland
Maine
Bora Bora
Olympic National Park
Redwood National Park
Sequoia National Park
Big Bend National Park
Mackinac Island
Sint Maarten
Nantucket
Outer Banks
California
Big Sur
Crater Lake
Scottsdale
Nice
Mount Rainier
Cozumel
Badlands National Park
Salt Lake City
Denali
Philadelphia
Tucson
Provence
Guadalajara
Albuquerque
Upper Peninsula
Sonoma
Memphis
Idaho
Da Nang
Cotswolds
Arkansas
St. Louis
Capri
Glacier National Park
Barcelona
Vancouver
Denver
Istanbul
Riviera Maya
Carmel-by-the-Sea
Santiago, Chile
Naples, Italy
Central America
Minneapolis
Sarasota
Halifax, Nova Scotia
Pittsburgh
Helsinki
Pensacola
Johannesburg
Brisbane
Málaga
Phu Quoc
Perth
Dubrovnik
Corpus Christi
Massachusetts
Oklahoma
Torres del Paine
Czech Republic
Ho Chi Minh City
Anchorage
Boise
Louisville
Juneau
Quito
West Virginia
Wisconsin
Canyonlands National Park
Baja California
Blue Ridge Mountains
Fort Myers
Detroit
Kansas City, Missouri
Kathmandu
Reno
Cebu
Brussels
Guangzhou
Chattanooga
Antalya
Daytona Beach
Cairns
Hilo
Alabama
Connecticut
New Jersey
Pennsylvania
Capitol Reef National Park