What’s not to love about Key West? This vibrant island in the Florida Keys archipelago is an amalgamation of natural charms, including spectacular beaches, lush tropical gardens, and larger-than-life national parks.
Key West offers travelers an ideal tropical getaway, and its natural assets are beautifully crowned by consistently warm, sunny weather, making it a fantastic destination year-round.
And although Key West has pleasant weather throughout the year, you should know that the climate here has a few particularities. Some seasons, for instance, are characterized by high precipitation and an increased risk of hurricanes, which is not ideal if you’re seeking to indulge in outdoor activities.
In this thoughtful guide, we’ve broken down the best time to visit Key West considering multiple factors such as weather, prices, and events. Have a look below to learn more!
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The Key West Weather
Key West is located in the Florida Keys archipelago, which is the closest you’ll get to the Equator Line while still being in the United States. The archipelago is located in a subtropical region, close to the Gulf Stream and the Gulf of Mexico, and its islands have a mild tropical-maritime climate.
Temperatures in Key West are relatively consistent throughout the year, and the average summer and winter temperatures rarely differ more than 10 degrees.
The coolest month of the year is January, and the warmest month is July.
Key West’s weather is also characterized by the presence of dry and wet seasons. The period from November through April, for instance, is normally sunny and quite dry, with only 25 percent of the annual rainfall occurring.
May through October corresponds to the wet season, with rains occurring as brief, but heavy tropical downpours, followed by intense sun. Rainfall peaks between August and October.
Key West also has a hurricane season, which runs from June to November.
Key West’s Seasons
Spring
Spring in Key West runs from March to the end of June. This season brings warm weather, with temperatures reaching 30ºC during the daytime. Lower temperatures rarely fall below 18ºC during springtime in Key West.
Key West sees clear sunny skies and longer days in the spring. Over the course of this season, rainfall increases gradually, starting at 1.6 inches, and ending the season at 5.1 inches.
Summer
The arrival of summer in Key West brings hotter temperatures and increased chances of rain. Running from the end of June through September, this season is characterized by sweltering heat (highs can reach 33ºC during the daytime), and high humidity — the chance that a given day will be muggy in Key West rises from 97% to 100% over the course of the summer.
The summer months in Key West are also cloudy, with the percentage of time that the sky is overcast or mostly cloudy increasing from 57% to 66%.
The rainy season in Key West falls between mid-Spring throughout the Summer. This is when visitors should expect heavy showers and thunderstorms, particularly in the mornings. June through November is the hurricane season, with September being the most likely time for severe tropical storms to hit.
July is the hottest month of the year, with the average high temperature reaching 32°C.
Autumn
The warm summer temperatures and humidity remain through the beginning of the fall. Throughout September, which is the peak of hurricane season, expect highs around 31ºC and an average of 11 rainy days.
In October, temperatures start to decrease but are still warm, with highs peaking at 29ºC.
Temperatures gradually fall near the end of October, and the average high and average low temperatures range between 27°C and 22°C for the last of Key West’s autumn months.
Winter
The weather in Key West is at its finest during the winter, which is the warmest in the continental United States. Winter in the Florida Keys brings mild temperatures, sunny skies, and a pleasant cool breeze, with highs peaking at around 25ºC. Lows rarely fall below 18ºC.
Despite bringing the coolest temperatures, winter in Key West is never extreme. For reference, the coldest month of the year is January, with an average of 23ºC.
December (the beginning of winter) is the third coldest month of the year after February.
During the winter months in Key West, rainfall also decreases. This is the dry season in Key West, which is when the average precipitation falls to a mere 46mm.
The Best Time to Visit Key West, Florida Keys
For The Best Weather
When it comes to great weather, Winter and Spring are often considered the best times to visit Key West. Both of these seasons are characterized by mild temperatures and low humidity. This creates the ideal conditions for enjoying a variety of outdoor activities, such as visiting the Dry Tortugas National Park, and the Fort Zachary Taylor Historic State Park.
Just beware that, due to the great weather conditions, March to May is the peak season in Key West. So, expect large crowds, higher accommodation prices, increased flight rates, and heavier traffic.
If you plan on visiting Miami during the high season, we recommend that you book your flights and accommodation early.
For the Lowest Prices & Fewer Tourists
If you want to save money and escape the thick winter crowds, be sure to visit Key West during the fall. Especially in September and October, the intense heat, humidity, and the chance of hurricanes are not considered ideal weather conditions.
These low-season months usually see lower hotel rates, as well as flight prices.
October tends to be the cheapest time to visit the Florida Keys but it is very hot, so expect to find great deals around this time of year.
For Bucket-List Activities
Winter and Spring are both great times to enjoy a variety of experiences and activities in Key West.
Since the majority of Key West’s attractions are outdoors, winter and spring are the best times to visit Key West. The great weather conditions, which bring sunny days and low humidity, create ideal conditions for enjoying an array of activities such as going to the beach, visiting Key West’s state parks, and exploring the local gardens.
This is also a prime time to enjoy the beach and water-based activities like snorkeling excursions, and scenic dolphin-watching cruises.
Recommended Read: The 15 Best Things to do in Key West, Florida
For Amazing Events
Key West has a variety of incredible events citywide running throughout the year. So, it really doesn’t matter when you this tropical getaway — you’ll certainly find incredible festivities to keep you on your toes.
Here’s a list of all the events you can’t miss in Key West:
Spring: St. Patrick’s Day Parade (March), Marathon Seafood Festival (March), Conch Republic Independence Celebration (April),
Summer: Key West Pride (June), Hemingway Days (July), Lobster Fest (August),
Fall: Fantasy Fest (October)
Winter: Key West Food and Wine Festival (January),
FAQ
What is the best time for visiting Key West?
The best time to visit Key West is during the winter and spring months. This time of year brings pleasant weather, less humidity, and bright, sunny days, making it a joy to enjoy enjoying Key West’s outdoor attractions.
What is the cheapest time of year to go to Key West?
The low season, which is roughly from June to November, is usually the cheapest time to visit Key West.
What is the best month to go to the Florida Keys?
For the best weather conditions, make sure to visit the Keys in the dry season, between November and April.
What month is hurricane season in Key West?
Hurricane season in Key West runs from June to November, with the worst storms hitting between August and October.
What is the high season in Key West?
The high tourist season in Key West falls from March to May (during the winter and spring months).
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