Dallas, SD Climate


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United States / South Dakota / No Metro Area / Gregory County / Dallas / Zip Codes
Dallas, SD is located in the eastern part of South Dakota and has a humid continental climate. Summers in Dallas are usually hot and humid, with temperatures reaching into the high 80s and low 90s. Winters tend to be cold, with temperatures regularly dipping below 0°F. Between summer and winter, spring and fall can be quite mild. Precipitation falls throughout the year in Dallas, with most of it coming in the form of rain during the warmer months. The area also receives around 50 inches of snowfall each year.

Dallas, South Dakota gets 24 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Dallas averages 44 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 227 sunny days per year in Dallas. The US average is 205 sunny days.

Dallas gets some kind of precipitation, on average, 72 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 87 degrees
Winter Low: the January low is 12
Rain: averages 24 inches of rain a year
Snow: averages 44 inches of snow a year


Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Dallas is 7.1 (10=best), which means it is one of the most pleasant places in South Dakota.

9.1 Summer - 5 Winter
June, September and August are the most pleasant months in Dallas, while January and December are the least comfortable months.

  ClimateDallas, South DakotaUnited States
  24.4 in.38.1 in.
  44.1 in.27.8 in.
  72.3 days106.2 days
  227 days205 days
  87.3°85.8°
  11.7°21.7°
  7.17
  3.64.3
  2234 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 Dallas with an average high temperature of 87.3°, which ranks it as warmer than most places in South Dakota. In Dallas, there are 2 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Dallas are September, June and August.
In Dallas, there are 28.9 days annually when the high temperature is over 90°, which is hotter than most places in South Dakota.
January has the coldest nighttime temperatures for Dallas with an average of 11.7°. This is warmer than most places in South Dakota.
In Dallas, there are 155.1 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in South Dakota.
In Dallas, there are 17.6 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in South Dakota.
Humidity in Dallas is generally low and comfortable. But there some days when the humidity becomes unpleasant, especially in July and August. The most humid months (but still comfortable) are July, August and June.
June is the wettest month in Dallas with 3.9 inches of rain, and the driest month is January with 0.5 inches. The wettest season is Autumn with 39% of yearly precipitation and 7% occurs in Spring, which is the driest season. The annual rainfall of 24.4 inches in Dallas means that it is wetter than most places in South Dakota.
June is the rainiest month in Dallas with 9.7 days of rain, and January is the driest month with only 3.1 rainy days. There are 72.3 rainy days annually in Dallas, which is less rainy than most places in South Dakota. The rainiest season is Autumn when it rains 33% of the time and the driest is Spring with only a 14% chance of a rainy day.
An annual snowfall of 44.1 inches in Dallas means that it is one of the snowiest places in South Dakota. March is the snowiest month in Dallas with 8.5 inches of snow, and 7 months of the year have significant snowfall.
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