April to May and September to October. Month by month below, with the weather, what's on and what it costs to fly there from your city.
Sources most often name the shoulder months of April, May, September and October, with September the most common single pick.
3 of the 8 travel guides we read name these months.
Average high and low in Honolulu, and days with rain
JanuaryChecking fares…A bit cooler than the rest of the year, with large swells in the north and west and the North Shore surf competitions.Peak season for humpback whales; middle of the rainy season.One source rates January high for rain, crowds and lodging cost, calling it whale season.Sony Championship Hawaii
FebruaryChecking fares…Cooler, with a bit more rain and big waves; whale watching is big.Big wave surf season on the Oahu North Shore, and busier around Valentine's Day and Presidents Day weekend.Punahou Carnival
MarchChecking fares…Same temperatures as February but less rain; the Honolulu Festival takes place on Oahu.Spring break crowds arrive, with high rain, crowds and lodging cost.Merrie Monarch Festival · Honolulu Festival
Best timeAprilChecking fares…Waikiki Spam Jam and the Honolulu Brewers Festival happen on Oahu.Medium rain, crowds and cost; good value once spring break ends.Trade winds return, rain fades and crowds thin after spring break.The Hapalua · East Maui Taro Festival
Best timeMayChecking fares…May Day is Lei Day, celebrated across the islands, and the weather is quite sunny and dry.Low rain and low crowds; called a second favorite shoulder month.May Day lei competitions and hula performances run across the islands.Shinnyo Lantern Floating Hawaii
JuneChecking fares…Dry and warm but school is out, so crowds and lodging cost rise.Honolulu's driest month on average.King Kamehameha Day · Hawaiian Slack Key Guitar Festival, Maui Style
JulyChecking fares…Busiest month of the year with low rain.
Best timeSeptemberChecking fares…Named the best month: best weather, fewer people, best lodging prices and best ocean conditions.The Aloha Festivals are held each September.After Labor Day visitor numbers drop and hotel and flight rates dip.Aloha Festivals · Maui ʻUkulele Festival
Best timeOctoberChecking fares…Low rain, low crowds and low lodging cost, though surf can be bigger.Daily highs in the low to mid 80s F; marks the start of the winter rainy season and hurricane season.Ironman Triathlon on the Big Island in October pushes prices up.Ironman World Championship · Hawaii Food & Wine Festival
NovemberChecking fares…Medium rain and crowds; great before Thanksgiving, then crowds arrive.Early November offers some of the best prices with mostly summer-like weather.Triple Crown of Surfing · Hawaiian Airlines Made in Maui County Festival
DecemberChecking fares…Highest rain, crowds and cost, but worth it at Christmas.Wettest month in Honolulu on average.Honolulu Marathon · Eddie Aikau Big Wave InvitationalWeather: Honolulu 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
Sony Championship Hawaii
Punahou Carnival
Merrie Monarch Festival
Honolulu Festival
The Hapalua
East Maui Taro Festival
Maui Onion Festival
Shinnyo Lantern Floating Hawaii
King Kamehameha Day
Hawaiian Slack Key Guitar Festival, Maui Style
Duke Kahanamoku OceanFest
Aloha Festivals
Maui ʻUkulele Festival
Ironman World Championship
Hawaii Food & Wine Festival
Triple Crown of Surfing
Hawaiian Airlines Made in Maui County Festival
Hui Holidays
Honolulu Marathon
Eddie Aikau Big Wave Invitational
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
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Edinburgh
Napa
Sydney
Scotland
Punta Cana
Savannah
Washington, DC
Mexico City
Zion National Park
Turks and Caicos
Puerto Vallarta
Honolulu
Banff
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Tulum
The Bahamas
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Santorini
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London
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Toronto
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Europe
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Florida Keys
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Madrid
New Mexico
Tennessee
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Bryce Canyon
Oahu
St. Martin
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Dolomites
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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
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Houston
Hanoi
Canary Islands
Big Island of Hawaii
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Montego Bay
Michigan
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Kruger National Park
Jeju
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Dallas
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Osaka
Munich
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Everglades
Door County
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Boracay
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San Juan Islands
New Hampshire
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French Riviera
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Cinque Terre
Asia
Algarve
Virginia
Tenerife
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Nairobi
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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
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Halifax, Nova Scotia
Pittsburgh
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Pensacola
Johannesburg
Brisbane
Málaga
Phu Quoc
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Massachusetts
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Torres del Paine
Czech Republic
Ho Chi Minh City
Anchorage
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West Virginia
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Canyonlands National Park
Baja California
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Fort Myers
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Alabama
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New Jersey
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Capitol Reef National Park