Dallas County, TX Climate


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United States / Texas / / Dallas County / Cities / Zip Codes
Dallas, TX County has a humid subtropical climate. Summers in the region are hot and humid, with temperatures reaching into the upper 90s or higher throughout the day. Winters are mild to cool, with temperatures typically ranging between 40 and 70 degrees Fahrenheit. Precipitation occurs year-round, averaging around 36 inches annually. The area is prone to storms and occasional flooding during spring and summer months due to its proximity to the Gulf of Mexico, as well as periods of drought due to its inland location.

Dallas County, Texas gets 39 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Dallas County averages 1 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 232 sunny days per year in Dallas County. The US average is 205 sunny days.

Dallas County gets some kind of precipitation, on average, 78 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 95 degrees
Winter Low: the January low is 36
Rain: averages 39 inches of rain a year
Snow: averages 1 inches of snow a year


Bestplaces Comfort Index

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

3.8 Summer - 7.5 Winter
October, April and May are the most pleasant months in Dallas County, while July and August are the least comfortable months.

  ClimateDallas, TexasUnited States
  39.1 in.38.1 in.
  1.1 in.27.8 in.
  78.4 days106.2 days
  232 days205 days
  95.1°85.8°
  35.5°21.7°
  7.17
  5.74.3
  511 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 95.9°, which ranks it as warmer than most places in Texas. 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 October, April and May.
In Dallas County, there are 91.2 days annually when the high temperature is over 90°, which is about average compared to other places in Texas.
January has the coldest nighttime temperatures for Dallas County with an average of 35.5°. This is about average compared to other places in Texas.
In Dallas County, there are 31.1 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Texas.
In Dallas County, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Texas.
Humidity in Dallas County can be uncomfortable during the summer, but comfortable for most of the year. The most uncomfortably humid months are July, June and August. The humid season runs from May-September and the most comfortable months are October-April.
May is the wettest month in Dallas County with 5.0 inches of rain, and the driest month is August with 2.2 inches. The wettest season is Summer with 30% of yearly precipitation and 20% occurs in Spring, which is the driest season. The annual rainfall of 39.1 inches in Dallas County means that it is wetter than most places in Texas.
May is the rainiest month in Dallas County with 8.9 days of rain, and August is the driest month with only 4.5 rainy days. There are 78.4 rainy days annually in Dallas County, which is rainier than most places in Texas. The rainiest season is Summer when it rains 29% of the time and the driest is Autumn with only a 21% chance of a rainy day.
An annual snowfall of 1.1 inches in Dallas County means that it is snowier than most places in Texas. February is the snowiest month in Dallas County with 0.4 inches of snow, and no months of the year have significant snowfall.
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