Johnson County, AR Climate

Johnson County, AR has a humid subtropical climate, characterized by hot, humid summers and mild to cool winters. Average temperatures in the summer can reach into the mid-90s Fahrenheit, while winter temperatures usually stay above freezing. Precipitation is spread throughout the year, with February being the driest month and May usually receiving the most rainfall. Snowfall is rare but does occur occasionally during winter months. Humidity levels are very high throughout most of the year, making it necessary to stay hydrated in this area.

Johnson County, Arkansas gets 50 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Johnson County averages 4 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 218 sunny days per year in Johnson County. The US average is 205 sunny days.

Johnson County gets some kind of precipitation, on average, 96 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 90 degrees
Winter Low: the January low is 27
Rain: averages 50 inches of rain a year
Snow: averages 4 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 Arkansas.

6.2 Summer - 6.4 Winter

May, September and October are the most pleasant months in Johnson County, while July and August are the least comfortable months.

Climate	Johnson, Arkansas	United States
	50.2 in.	38.1 in.
	3.9 in.	27.8 in.
	95.6 days	106.2 days
	218 days	205 days
	90.4°	85.8°
	27.1°	21.7°
	7.3	7
	4.8	4.3
	1017 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.

August is the hottest month for Johnson County with an average high temperature of 90.9°, which ranks it as cooler than most places in Arkansas. In Johnson County, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Johnson County are May, September and October.

In Johnson County, there are 49.4 days annually when the high temperature is over 90°, which is cooler than most places in Arkansas.

January has the coldest nighttime temperatures for Johnson County with an average of 27.1°. This is colder than most places in Arkansas.

In Johnson County, there are 74.2 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Arkansas.

In Johnson County, there are 0.5 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Arkansas.

Humidity in Johnson County can be uncomfortable during the summer, but comfortable for most of the year. The most uncomfortably humid months are July, August and June. The humid season runs from June-September and the most comfortable months are October-May.

May is the wettest month in Johnson County with 5.5 inches of rain, and the driest month is August with 3.1 inches. The wettest season is Summer with 29% of yearly precipitation and 22% occurs in Spring, which is the driest season. The annual rainfall of 50.2 inches in Johnson County means that it is about average compared to other places in Arkansas.

May is the rainiest month in Johnson County with 10.9 days of rain, and August is the driest month with only 6.4 rainy days. There are 95.6 rainy days annually in Johnson County, which is about average compared to other places in Arkansas. The rainiest season is Summer when it rains 29% of the time and the driest is Spring with only a 23% chance of a rainy day.

An annual snowfall of 3.9 inches in Johnson County means that it is snowier than most places in Arkansas. January is the snowiest month in Johnson County with 1.5 inches of snow, and 4 months of the year have significant snowfall.

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