Dallas County, MO Climate

Dallas, MO County typically has a humid continental climate with hot and humid summers and cold winters. In spring and fall the temperatures are usually mild. The average annual temperature is 54 degrees Fahrenheit, with an average of 39 inches of rain throughout the year. Summers can be quite hot, with temperatures reaching into the 90s and sometimes even the 100s. Snowfall in Dallas averages about 20 inches per year. Due to its relatively high elevation, Dallas experiences relatively mild wind chill during winter months compared to other areas of Missouri.

Dallas County, Missouri gets 45 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Dallas County averages 11 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 211 sunny days per year in Dallas County. The US average is 205 sunny days.

Dallas County gets some kind of precipitation, on average, 94 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 21
Rain: averages 45 inches of rain a year
Snow: averages 11 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Dallas County is 7.3 (10=best), which means it is one of the most pleasant places in Missouri.

7.8 Summer - 5.8 Winter

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

Climate	Dallas, Missouri	United States
	44.6 in.	38.1 in.
	11.2 in.	27.8 in.
	94.0 days	106.2 days
	211 days	205 days
	88.0°	85.8°
	20.7°	21.7°
	7.3	7
	4.7	4.3
	1094 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 Dallas County with an average high temperature of 88.1°, which ranks it as about average compared to other places in Missouri. In Dallas County, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Dallas County are September, May and June.

In Dallas County, there are 30.0 days annually when the high temperature is over 90°, which is cooler than most places in Missouri.

January has the coldest nighttime temperatures for Dallas County with an average of 20.7°. This is about average compared to other places in Missouri.

In Dallas County, there are 107.2 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Missouri.

In Dallas County, there are 3.4 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Missouri.

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

May is the wettest month in Dallas County with 5.3 inches of rain, and the driest month is January with 2.0 inches. The wettest season is Summer with 30% of yearly precipitation and 16% occurs in Spring, which is the driest season. The annual rainfall of 44.6 inches in Dallas County means that it is wetter than most places in Missouri.

May is the rainiest month in Dallas County with 10.8 days of rain, and January is the driest month with only 6.1 rainy days. There are 94.0 rainy days annually in Dallas County, which is less rainy than most places in Missouri. The rainiest season is Summer when it rains 30% of the time and the driest is Spring with only a 20% chance of a rainy day.

An annual snowfall of 11.2 inches in Dallas County means that it is less snowy than most places in Missouri. January is the snowiest month in Dallas County with 4.1 inches of snow, and 4 months of the year have significant snowfall.

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