Dempster, SD Climate


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United States / South Dakota / No Metro Area / Hamlin County / Dempster / Zip Codes
Dempster, SD has a continental climate, with hot summers and cold winters. The average summer temperature is around 80 degrees Fahrenheit, while the average winter temperature is below 30 degrees Fahrenheit. During the summer months, Dempster experiences high levels of humidity, due to its close proximity to the Missouri River. Winters are unpredictable in Dempster – temperatures can range from mild to bitterly cold. Rainfall in Dempster averages about 23 inches per year and it usually snows in late fall through early spring.

Dempster, South Dakota gets 25 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Dempster averages 38 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 210 sunny days per year in Dempster. The US average is 205 sunny days.

Dempster gets some kind of precipitation, on average, 86 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 82 degrees
Winter Low: the January low is 2
Rain: averages 25 inches of rain a year
Snow: averages 38 inches of snow a year


Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Dempster is 6.6 (10=best), which means it is less comfortable than most places in South Dakota.

9.3 Summer - 4 Winter
August, July and June are the most pleasant months in Dempster, while January and December are the least comfortable months.

  ClimateDempster, South DakotaUnited States
  24.7 in.38.1 in.
  38.0 in.27.8 in.
  86.2 days106.2 days
  210 days205 days
  82.3°85.8°
  2.1°21.7°
  6.67
  3.54.3
  1660 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 Dempster with an average high temperature of 82.3°, which ranks it as cooler than most places in South Dakota. In Dempster, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Dempster are June, August and July.
In Dempster, there are 9.2 days annually when the high temperature is over 90°, which is cooler than most places in South Dakota.
January has the coldest nighttime temperatures for Dempster with an average of 2.1°. This is one of the coldest places in South Dakota.
In Dempster, there are 177.3 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in South Dakota.
In Dempster, there are 35.6 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in South Dakota.
Humidity in Dempster 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 Dempster with 4.0 inches of rain, and the driest month is February with 0.5 inches. The wettest season is Autumn with 42% of yearly precipitation and 7% occurs in Spring, which is the driest season. The annual rainfall of 24.7 inches in Dempster means that it is wetter than most places in South Dakota.
June is the rainiest month in Dempster with 10.9 days of rain, and February is the driest month with only 4.4 rainy days. There are 86.2 rainy days annually in Dempster, which is rainier than most places in South Dakota. The rainiest season is Autumn when it rains 32% of the time and the driest is Spring with only a 17% chance of a rainy day.
An annual snowfall of 38.0 inches in Dempster means that it is about average compared to other places in South Dakota. December is the snowiest month in Dempster with 8.0 inches of snow, and 7 months of the year have significant snowfall.
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