Johnson County, KS Climate

Johnson, KS County has a humid continental climate with hot summers and cold winters. The average high temperature in the summer months is around 84 degrees Fahrenheit, while the average low temperature in the winter months is around 25 degrees Fahrenheit. Rainfall also varies throughout the year, but snowfall typically ranges from 10 to 20 inches per season. Despite its wide range of temperatures, Johnson County has relatively mild weather compared to other areas in Kansas due to its location near the Missouri River.

Johnson County, Kansas gets 41 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Johnson County averages 14 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 216 sunny days per year in Johnson County. The US average is 205 sunny days.

Johnson County gets some kind of precipitation, on average, 92 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 20
Rain: averages 41 inches of rain a year
Snow: averages 14 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Johnson County is 7.3 (10=best), which means it is more comfortable than most places in Kansas.

7.7 Summer - 5.7 Winter

September, May and June are the most pleasant months in Johnson County, while January and December are the least comfortable months.

Climate	Johnson, Kansas	United States
	41.2 in.	38.1 in.
	14.2 in.	27.8 in.
	91.5 days	106.2 days
	216 days	205 days
	88.1°	85.8°
	20.0°	21.7°
	7.3	7
	4.4	4.3
	990 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 Johnson County with an average high temperature of 88.1°, which ranks it as one of the coolest places in Kansas. In Johnson County, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Johnson County are September, May and June.

In Johnson County, there are 29.9 days annually when the high temperature is over 90°, which is one of the coolest places in Kansas.

January has the coldest nighttime temperatures for Johnson County with an average of 20.0°. This is warmer than most places in Kansas.

In Johnson County, there are 106.6 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Kansas.

In Johnson County, there are 2.7 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Kansas.

The humidity can be uncomfortably heavy or close in Johnson County 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 Johnson County.

June is the wettest month in Johnson County with 5.8 inches of rain, and the driest month is January with 1.2 inches. The wettest season is Autumn with 34% of yearly precipitation and 11% occurs in Spring, which is the driest season. The annual rainfall of 41.2 inches in Johnson County means that it is wetter than most places in Kansas.

May is the rainiest month in Johnson County with 11.0 days of rain, and January is the driest month with only 5.2 rainy days. There are 91.5 rainy days annually in Johnson County, which is rainier than most places in Kansas. The rainiest season is Summer when it rains 30% of the time and the driest is Spring with only a 18% chance of a rainy day.

An annual snowfall of 14.2 inches in Johnson County means that it is about average compared to other places in Kansas. January is the snowiest month in Johnson County with 4.2 inches of snow, and 5 months of the year have significant snowfall.

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