Zip 33040 (Key West, FL) Climate

Key West, FL has a tropical climate with warm temperatures year-round. The average annual temperature is 78 degrees Fahrenheit and the winter temperatures rarely dip below 60 degrees Fahrenheit. The summer months are hot and humid, with temperatures reaching over 90 degrees Fahrenheit. During the summer months, there is an increased chance of thunderstorms due to the proximity to the ocean. Rainfall is fairly steady throughout the year, with July and August being the wettest months. Overall, Key West offers a pleasant and sunny climate that is perfect for enjoying all of its beaches and outdoor activities.

Key West (zip 33040), Florida gets 44 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Key West (zip 33040) averages 0 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 259 sunny days per year in Key West (zip 33040). The US average is 205 sunny days.

Key West (zip 33040) gets some kind of precipitation, on average, 102 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.

Weather Highlights

Summer High: the July high is around 89 degrees
Winter Low: the January low is 64
Rain: averages 44 inches of rain a year
Snow: averages 0 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 33040 zip code is 6.1 (10=best), which means it is one of the least comfortable places in Florida.

2.7 Summer - 8.7 Winter

January, February and December are the most pleasant months in the 33040 zip code, while August and September are the least comfortable months.

Climate	Key West, Florida	United States
	Unlock	38.1 in.
	0.0 in.	Unlock
	Unlock	106.2 days
	259 days	Unlock
	89.4°	85.8°
	Unlock	21.7°
	6.1	Unlock
	Unlock	4.3
	4 ft.	Unlock

Climate

YOU SHOULD KNOW

Many people confuse weather and climate but they are different. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time.

Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.

Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.

August is the hottest month for the 33040 zip code with an average high temperature of 89.6°, which ranks it as one of the coolest places in Florida. In the 33040 zip code, there are 7 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for the 33040 zip code are March, February and December.

In the 33040 zip code, there are 37.7 days annually when the high temperature is over 90°, which is one of the coolest places in Florida.

January has the coldest nighttime temperatures for the 33040 zip code with an average of 63.6°. This is one of the warmest places in Florida.

In the 33040 zip code, there are 0.0 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Florida.

In the 33040 zip code, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Florida.

Humidity in the 33040 zip code is significant through much of the year, and miserable in the summer. The humidity here has been described as oppressive or miserable in the summer. It's uncomfortable for most of the year, but the most pleasant month is January.

September is the wettest month in the 33040 zip code with 7.5 inches of rain, and the driest month is February with 1.8 inches. The wettest season is Autumn with 35% of yearly precipitation and 14% occurs in Spring, which is the driest season. The annual rainfall of 43.8 inches in the 33040 zip code means that it is one of the driest places in Florida.

September is the rainiest month in the 33040 zip code with 15.3 days of rain, and April is the driest month with only 4.4 rainy days. There are 102.0 rainy days annually in the 33040 zip code, which is one of the least rainy places in Florida. The rainiest season is Autumn when it rains 35% of the time and the driest is Summer with only a 16% chance of a rainy day.

There is rarely any recorded snowfall in the 33040 zip code, ranking it as one of the least snowy places in Florida. Any measurable snowfall is a rare occurance in the 33040 zip code.

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