Jefferson County, AR Climate

Jefferson, AR County has a humid subtropical climate. Summers are hot and humid with temperatures reaching well into the 90s. Winters tend to be mild, with temperatures ranging from the mid-30s to the low-60s. Rainfall is abundant throughout the year, averaging around 50 inches annually. Snowfall is rare, but when it does occur it tends to be light and short-lived. Spring and fall bring moderate temperatures and plenty of sunshine, which makes them ideal times of year for outdoor activities in Jefferson County.

Jefferson County, Arkansas gets 52 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Jefferson County averages 3 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 219 sunny days per year in Jefferson County. The US average is 205 sunny days.

Jefferson County gets some kind of precipitation, on average, 98 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 92 degrees
Winter Low: the January low is 32
Rain: averages 52 inches of rain a year
Snow: averages 3 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Jefferson County is 7.1 (10=best), which means it is about average compared to other places in Arkansas.

4.8 Summer - 6.8 Winter

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

Climate	Jefferson, Arkansas	United States
	51.5 in.	38.1 in.
	2.5 in.	27.8 in.
	98.4 days	106.2 days
	219 days	205 days
	91.7°	85.8°
	32.1°	21.7°
	7.1	7
	5.2	4.3
	217 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 Jefferson County with an average high temperature of 91.7°, which ranks it as about average compared to other places in Arkansas. In Jefferson County, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Jefferson County are October, May and April.

In Jefferson County, there are 64.4 days annually when the high temperature is over 90°, which is hotter than most places in Arkansas.

January has the coldest nighttime temperatures for Jefferson County with an average of 32.1°. This is one of the warmest places in Arkansas.

In Jefferson County, there are 48.2 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Arkansas.

In Jefferson County, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Arkansas.

Humidity in Jefferson 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.

December is the wettest month in Jefferson County with 5.5 inches of rain, and the driest month is August with 2.6 inches. The wettest season is Summer with 29% of yearly precipitation and 20% occurs in Autumn, which is the driest season. The annual rainfall of 51.5 inches in Jefferson County means that it is wetter than most places in Arkansas.

May is the rainiest month in Jefferson County with 9.9 days of rain, and August is the driest month with only 5.8 rainy days. There are 98.4 rainy days annually in Jefferson County, which is rainier than most places in Arkansas. The rainiest season is Summer when it rains 28% of the time and the driest is Autumn with only a 22% chance of a rainy day.

An annual snowfall of 2.5 inches in Jefferson County means that it is less snowy than most places in Arkansas. January is the snowiest month in Jefferson County with 1.5 inches of snow, and 2 months of the year have significant snowfall.

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