Best Time to Visit the Florida Keys: Month-by-Month Guide (Weather, Crowds, Events)

With turquoise water, warm sunshine, and that laid-back island vibe, the Florida Keys are a dream destination any time of year. But depending on what you’re looking for — whether it’s calm weather, fewer crowds, or the best deals — some months are definitely better than others.

I’ve lived in the Florida Keys for over a decade, and know that the weather can dramatically affect the activities that you are able to do here.

The pleasant weather of the winter and spring months makes it a perfect escape for camping, kayaking, and other outdoor activities. The summer and fall months can be hot, humid, and have scattered showers, but overall it is the best time to get out on the water for snorkeling, diving, and fishing.

The risky part of hurricane season can be September, but you should keep an eye on tropical storm activity through the summer. The good thing is you’ll often have more than a week’s notice to reschedule accordingly.

In this guide, you’ll find the best time to visit the Florida Keys based on weather, crowds, prices, and seasonal events. I’ll also share month-by-month insights to help you plan the perfect trip — whether you’re chasing winter sun or a summer snorkeling adventure.

This article is part of my complete Florida Keys travel guide, where I share itineraries, island guides, and essential tips for planning your Keys vacation.

Overall Best Time to Visit the Florida Keys

The most popular time to visit the Florida Keys is between December and May when the weather is warm (mid-70s to mid-80s °F), humidity is lower, and rainfall is minimal. This is also peak season, with local events like the Key West Food & Wine Festival and the Marathon Seafood Festival.

If you want fewer crowds and lower hotel prices, May and early June are ideal — right before hurricane season starts and temperatures heat up. It’s warm enough for even Floridians to get in the water, but not so warm that you can only be outside if you are in the water.

The only time I wouldn’t recommend coming to the Florida Keys would be in September. There are typically major storms this time of year, it’s particularly hot, and many restaurants and close this month since it is slow.

 Florida Keys Weather at a Glance

Season	Months	Temperature	Rainfall	Highlights
Winter (Dry Season)	Dec – Feb	70–80°F (21–27°C)	Low	Perfect weather, peak prices
Spring	Mar – May	75–85°F (24–29°C)	Moderate	Great balance of weather & value
Summer (Wet Season)	Jun – Sep	85–90°F (29–32°C)	High	Hot, humid, best for diving
Fall	Oct – Nov	75–85°F (24–29°C)	Moderate	Fewer tourists, hurricane risk

For more help planning your trip, visit my Florida Keys travel guide to explore island comparisons and sample itineraries.

Winter (December – February): Peak Season Paradise

Best for: Perfect weather, festivals, and escaping the cold

Pros: Ideal weather, lots of events, best for sightseeing
Cons: Highest hotel prices, crowded attractions

Winter is the most popular time to visit the Keys — and for good reason. Expect blue skies, gentle breezes, and low humidity. It’s the perfect time for beach days, boating, and exploring historic Key West without breaking a sweat.

Most days are sunny and in the mid 70s. The water stays at about 70 F as well, making it a crisp cool dip, but warmer than anywhere else stateside. A light wetsuit is recommended if scuba diving to make it more comfortable.

Northerners and Canadians often come to spend a few months down in the Keys while frigid temperatures batter their other homes. We call them snow-birds as a it’s like a wave of mass migration every season. For that reason, you’ll often see higher prices and lower inventory on hotel rooms and vacation rentals.

It’s a busy time all around, so I recommend making dinner reservations (there’s only a few restaurants in each town). Try to coordinate your visit with one of the major winter events like the Nautical Flea Market or one of the food festivals.

December Events:

• Key Largo Bridge Run– Run over Jewfish Creek Bridge, the first major bridge when you enter the Florida Keys.
• Key West Holiday Parade – See the floats go by in the streets of Key west full of tropical holiday cheer.
• Key Largo Holiday Boat Parade– Everyone decks out their boat in outrageous themes and goes out on the bay to see who will win best in show.
• Key West Triathlon
• Islamorada Sail Fly Tournament – Fishing tournament
• New Year’s Eve in Key West- Instead of the ball drop, they do the Conch Shell Drop to welcome the new year. Key West loves any excuse to party and this is always a big one!

January Events:

• Florida Keys Celtic Festival– Live Celtic music, Irish & Scottish dancing, food vendors, and craft fair.
• Key West 5K and Half Marathon
• Nautical Expo– Big Pine Key’s version of the Nautical Flea Market.
• Key West Food and Wine Festival– Multi-day event with exclusive dinners and tastings .
• Key West Craft Show– The arts are on full display at this craft fair in Key West.
• The Southernmost Regatta– Five day sailboat racing event.
• Key West Literary Seminar– Writers and avid readers gather for workshops, seminars, and tours.

February Events: 

• Florida Keys Seafood Festival– Fresh seafood stalls and live music come together in Key West.
• Nautical Flea Market– One of the most popular events in the Islamorada for shoppers and boaters. Lots of craft stalls and marine merchandise.
• Cuda Bowl– Barracuda fishing tournament.
• Garden Walk– Tour private gardens in Key Largo and enjoy activities at the Garden Center.

🪸 Which Florida Key Should You Stay On?

Spring (March – May): Best Balance of Weather and Price

Best for: Active travelers, shoulder-season savings

Pros: Great weather, fewer crowds, better value
Cons: Early spring breakers in March

Spring is arguably the best overall time to visit the Florida Keys. Temperatures hover in the low 80s, humidity is still manageable, and hotel rates begin to dip after Easter. During March and April many snowbirds are still here and spring break groups start to shuffle through, so the Keys remains busy.

It’s also prime time for water sports — think snorkeling, kayaking, and paddleboarding. It’s great weather for being outside doing activities, eating at one of the many waterfront restaurants, and exploring the state parks. Some showers may start to come through in May, but they are usually very short bursts in the afternoon.

There are a number of popular events like then Marathon Seafood Festival, the Seven Mile Bridge Run, and various fishing tournaments.

March Events:

• Key West Orchid Fair – See blooming orchids and get one for yourself at one of the many quality vendors.
• Marathon Seafood Festival – Sample delicious seafood from local vendors.
• St. Patrick’s Day Key West Bar Stroll– Grab a pint and continue the tradition been going on since 1979.

April Events:

• Florida Keys Island Fest – Art, food, music, and a homemade boat race make for a fun afternoon at Islamorada’s founder’s park.
• Key West Songwriter’s Festival– Tons of performances all over Key West of both established and up-and-coming artists. Make sure not to miss the free events also!
• Seven Mile Bridge Run – Run this iconic engineering marvel. Set an alarm to register as soon as it opens. This popular event fills their registration up in minutes.
• Key West Southernmost Air Show Spectacular– See jaw-dropping stunts from favorites like the Blue Angels.
• Conch Republic Independence Celebration– A series of quirky events commemorating Key West’s succession from the United States in 1982.
• Marathon Sailfish Tournament– Sailfish fishing tournament.
• Key West Lionfish Derby– Combat this invasive species through a weekend fishing tournament.

May Events: 

• Hemingway 5K Sunset Run & Paddleboard Race– Celebrate Earnest Hemingway’s sporting lifestyle, and don’t miss the beach after-party!

Summer (June – September): Hot, Humid & Laid-Back

Best for: Divers, budget travelers, and families

Pros: Fewer crowds, clear water, best deals
Cons: Heat, humidity, and potential storms

Summer in the Keys is steamy but fun if you don’t mind the heat. Afternoon showers are common, but they usually pass quickly. Hotel rates drop significantly, and the water is clear — perfect for diving and snorkeling.

Long days out on the sandbar is what locals think about when summer rolls around, with its long days and warm waters. Tourism starts to slow and shifts to becoming composed of South Florida natives doing weekend trips.

Mini lobster season is a huge draw for anyone who knows someone with a boat. It’s the one time a year where anyone with a license can go out and hand catch lobsters. No stone is unturned while searching for these sea bugs, but the reward is delicious!

Start to watch out come September though, hurricanes tend to come through and locally owned businesses close for the month in response to the slow season. Expect less locals around as we travel to cooler areas to take advantage of the last of summer. Hurricanes don’t usually stop us here for more than a day, but can mean that conditions on the water are not good and tours will be canceled.

One of my good friends had an outdoor wedding in Key Largo a few years ago in September and while the party wasn’t ruined by the passing showers, her grand boat entrance was. Keep in mind to be flexible and prepare for the worst if hosting an event in late summer.

June Events: 

• Coralpalooza– A flurry of reef-saving activities to support coral reefs worldwide.
• Key West Pride Week– A week of parades and activities representing the LGBTQ community.

July Events:

• Key West Mermaid Festival– Celebrates the enchantment of mermaid folklore with special events.
• Fourth of July Parade and Fireworks- Displays throughout the Keys. For Key Largo, the main show is from ReefHouse.
• Key Lime Festival– Competitions, a Sip & Stroll, baking classes, and pies- all centered on this unique little citrus.
• Underwater Music Festival– Divers and snorkelers take part in a unusual soundscape annually at Looe Key Reef, thanks to special speakers blasting tunes underwater.
• Mini Lobster Season– Get out on the water and catch your limit of lobster (check latest FWC regulations). Draws huge crowds from South Florida looking to score big.
• Hemingway Look-Alike Contest– See a sea of bearded men compete for the annual title and cheer on your favorites at this fun weekend event.

August Events: 

• Rum Fest Key West– Dinners, parties, and tastings- all about our favorite pirate spirit!

September Events:

• Just a Few Friends Key West– A Jimmy Buffet celebration of live music, food, and fun.
• Key West Brew Fest- Taste beers from over 55 breweries at this Labor Day weekend event.

Still deciding which Florida Key you should stay on? Find the right island for you by getting local insight in the guide on where to stay in the Keys. Get more in-depth information and things to do in the respective guides for Key Largo, Islamorada, Marathon, and Key West.

Fall (October – November): Quiet & Affordable

Best for: Peaceful getaways and low prices

Pros: Low rates, fewer tourists, pleasant temps
Cons: Occasional storms, some businesses may close briefly

Fall is considered the low season due to hurricane risk, but it’s still a great time for a tranquil vacation. The weather cools slightly, and you can often score major hotel deals. Just keep an eye on the forecast — travel insurance or refundable bookings is smart this time of year.

Some business remain closed thru October because of other being slower season. Fall here in the Florida Keys is basically an extension of late summer. Fantasy Fest is the key event in the Keys around Halloween time. In short, it consists of a lot of body paint and very little clothing in the biggest party town, Key West.

Only in November do we start to expect more frequent cold fronts and the weather starts to shift to drier conditions.

As I’m writing this in the beginning of November, today was our first cold front with temperatures in the 50’s, two days ago I was swimming in the pool, and tomorrow I could be back to wearing shorts in 75 degree weather. So be sure to pack both a sweater and a swimsuit for the Florida Keys in November.

October Events: 

• Key West Fantasy Fest– The craziest clothing optional Halloween party you’ll ever go to.
• Stone Crab Season– Set and monitor your traps to get fresh stone crab claws (check FWC regulations).

November Events: 

• Key West Offshore World Race– Racing boats battle it out in the waters off Key West, a very unique spectator event!
• Key West Film Festival– Events and showings of new films that showcase Florida filmmaking talent.

Month-by-Month Breakdown

Month	What to Expect
January	Dry, sunny days; busiest month
February	Great weather, romantic season for couples
March	Warm days, spring break crowds
April	Ideal mix of weather & lower rates
May	Hotter but still dry; great shoulder season
June	Start of rainy season, fewer crowds
July	Hot, humid, great water visibility
August	Peak heat; quiet and affordable
September	Rainy, hurricane risk, lowest prices
October	Cooler, last month of low season
November	Comfortable temps, good travel window
December	Start of peak season; festive events

When to Avoid the Florida Keys

There’s really no bad time to visit — but if you’re not a fan of heat or humidity, late August through September can be tough. This is peak hurricane season, and while storms aren’t guaranteed, it’s smart to stay flexible and insure your trip.

Best Time by Interest

Interest	Ideal Time to Visit
Beaches & Swimming	March – June
Snorkeling & Diving	May – August
Fishing & Boating	December – April
Romantic Getaways	February – April
Budget Travel	August – November

When Should You Visit the Florida Keys?

The Florida Keys are a year-round tropical paradise, but the best time to visit depends on your priorities. If you’re after perfect weather, go in winter or spring. For fewer crowds and better deals, choose late spring or early fall. And no matter when you visit, you’ll find sunshine, island charm, and unforgettable sunsets waiting for you.

Looking for the perfect one week itinerary? See my Florida Keys Road Trip Guide for all the must see spots. If you are making it a quick trip then focus in on 1 area like in this Key Largo 3-day itinerary.

FAQ: Best Time to Visit the Florida Keys

Ready to plan your full itinerary? Explore my complete Florida Keys travel guide for everything you need to know before you go.