Johnston County, OK Climate

Johnston, OK County is located in the Southern Great Plains region of Oklahoma and enjoys a humid subtropical climate. Summers are typically hot and humid, with temperatures peaking in the mid-90s Fahrenheit during the driest months. Winters are mild but can sometimes be quite cold with lows dipping into the 20s or lower. Precipitation is abundant throughout the year, with most of it falling in the form of rain showers throughout spring and summer. The area also gets occasional snowfall, especially during colder winter months. Overall, Johnston, OK County has a pleasant climate that makes it an ideal place to live and visit.

Johnston County, Oklahoma gets 43 inches of rain, on average, per year. The US average is 38 inches of rain per year.

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

On average, there are 233 sunny days per year in Johnston County. The US average is 205 sunny days.

Johnston County gets some kind of precipitation, on average, 70 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 93 degrees
Winter Low: the January low is 29
Rain: averages 43 inches of rain a year
Snow: averages 3 inches of snow a year

Bestplaces Comfort Index

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

5.3 Summer - 7 Winter

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

Climate	Johnston, Oklahoma	United States
	Unlock	38.1 in.
	2.7 in.	Unlock
	Unlock	106.2 days
	233 days	Unlock
	93.4°	85.8°
	Unlock	21.7°
	7.3	Unlock
	Unlock	4.3
	840 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 Johnston County with an average high temperature of 94.2°, which ranks it as warmer than most places in Oklahoma. In Johnston County, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Johnston County are October, May and April.

In Johnston County, there are 70.8 days annually when the high temperature is over 90°, which is hotter than most places in Oklahoma.

January has the coldest nighttime temperatures for Johnston County with an average of 29.1°. This is one of the warmest places in Oklahoma.

In Johnston County, there are 63.8 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Oklahoma.

In Johnston County, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is one of the warmest places in Oklahoma.

Humidity in Johnston 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 Johnston County with 5.4 inches of rain, and the driest month is January with 2.2 inches. The wettest season is Summer with 31% of yearly precipitation and 17% occurs in Spring, which is the driest season. The annual rainfall of 43.3 inches in Johnston County means that it is wetter than most places in Oklahoma.

May is the rainiest month in Johnston County with 8.2 days of rain, and July is the driest month with only 4.7 rainy days. There are 70.0 rainy days annually in Johnston County, which is less rainy than most places in Oklahoma. The rainiest season is Summer when it rains 29% of the time and the driest is Spring with only a 22% chance of a rainy day.

An annual snowfall of 2.7 inches in Johnston County means that it is less snowy than most places in Oklahoma. January is the snowiest month in Johnston County with 1.2 inches of snow, and 2 months of the year have significant snowfall.

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