Zip 40020 (Fairfield, KY) Climate

The climate in 40020 Fairfield, KY is mild and pleasant. Located in the northern part of the state, summers are warm and humid with temperatures reaching an average high of around 80 degrees Fahrenheit. Winters are cold but not extreme, with temperatures dropping to an average low of around 30 degrees in December and January. Spring and fall are both mild seasons with temperatures ranging from the mid 40s to mid 70s. Rainfall is moderate throughout the year, averaging around 44 inches annually.

Fairfield (zip 40020), Kentucky gets 48 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Fairfield (zip 40020) averages 8 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 194 sunny days per year in Fairfield (zip 40020). The US average is 205 sunny days.

Fairfield (zip 40020) gets some kind of precipitation, on average, 111 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 88 degrees
Winter Low: the January low is 24
Rain: averages 48 inches of rain a year
Snow: averages 8 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 40020 zip code is 7.3 (10=best), which means it is one of the most pleasant places in Kentucky.

7.8 Summer - 5.8 Winter

September, May and October are the most pleasant months in the 40020 zip code, while January and December are the least comfortable months.

Climate	Fairfield, Kentucky	United States
	47.8 in.	38.1 in.
	7.8 in.	27.8 in.
	110.5 days	106.2 days
	194 days	205 days
	87.9°	85.8°
	23.7°	21.7°
	7.3	7
	4.2	4.3
	778 ft.	2443 ft.

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.

July is the hottest month for the 40020 zip code with an average high temperature of 87.9°, which ranks it as warmer than most places in Kentucky. In the 40020 zip code, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for the 40020 zip code are May, September and June.

In the 40020 zip code, there are 29.0 days annually when the high temperature is over 90°, which is about average compared to other places in Kentucky.

January has the coldest nighttime temperatures for the 40020 zip code with an average of 23.7°. This is colder than most places in Kentucky.

In the 40020 zip code, there are 99.2 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Kentucky.

In the 40020 zip code, there are 2.1 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Kentucky.

The humidity can be uncomfortably heavy or close in the 40020 zip code during the summer months. July is the most humid month, though humidity is low for most of the year. July, August and June are the three most humid months in the 40020 zip code.

May is the wettest month in the 40020 zip code with 5.5 inches of rain, and the driest month is September with 3.3 inches. The wettest season is Summer with 29% of yearly precipitation and 22% occurs in Winter, which is the driest season. The annual rainfall of 47.8 inches in the 40020 zip code means that it is about average compared to other places in Kentucky.

May is the rainiest month in the 40020 zip code with 11.0 days of rain, and September is the driest month with only 6.9 rainy days. There are 110.5 rainy days annually in the 40020 zip code, which is less rainy than most places in Kentucky. The rainiest season is Summer when it rains 29% of the time and the driest is Winter with only a 21% chance of a rainy day.

An annual snowfall of 7.8 inches in the 40020 zip code means that it is less snowy than most places in Kentucky. February is the snowiest month in the 40020 zip code with 2.9 inches of snow, and 4 months of the year have significant snowfall.

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