Fort Pierre, SD Climate


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Fort Pierre, South Dakota has a semi-arid climate with hot summers and cold winters. Summers have lots of sunshine, with temperatures usually in the mid-80s, but they can reach the upper 90s as well. Winters are typically chilly and dry with temperatures dipping to the single digits. The area receives an average of 16 inches of rain and 26 inches of snow annually. Fort Pierre’s location on the Missouri River causes a very humid continental climate throughout the year, making it ideal for outdoor activities in both summer and winter.

Fort Pierre, South Dakota gets 18 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Fort Pierre averages 34 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 230 sunny days per year in Fort Pierre. The US average is 205 sunny days.

Fort Pierre gets some kind of precipitation, on average, 74 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 90 degrees
Winter Low: the January low is 9
Rain: averages 18 inches of rain a year
Snow: averages 34 inches of snow a year


Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Fort Pierre is 7.0 (10=best), which means it is one of the most pleasant places in South Dakota.

8.7 Summer - 4.8 Winter
June, September and August are the most pleasant months in Fort Pierre, while January and December are the least comfortable months.

  ClimateFort Pierre, South DakotaUnited States
  17.6 in.38.1 in.
  34.3 in.27.8 in.
  73.7 days106.2 days
  230 days205 days
  89.6°85.8°
  9.3°21.7°
  77
  3.74.3
  1434 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 Fort Pierre with an average high temperature of 89.6°, which ranks it as one of the hottest places in South Dakota. In Fort Pierre, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Fort Pierre are September, June and May.
In Fort Pierre, there are 41.3 days annually when the high temperature is over 90°, which is one of the hottest places in South Dakota.
January has the coldest nighttime temperatures for Fort Pierre with an average of 9.3°. This is warmer than most places in South Dakota.
In Fort Pierre, there are 159.9 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in South Dakota.
In Fort Pierre, there are 20.3 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in South Dakota.
Humidity in Fort Pierre is generally quite low and comfortable. There are few days during the summer when the humidity becomes unpleasant. The most humid months (but still comfortable) are July, August and June.
June is the wettest month in Fort Pierre with 3.1 inches of rain, and the driest month is January with 0.4 inches. The wettest season is Autumn with 40% of yearly precipitation and 7% occurs in Spring, which is the driest season. The annual rainfall of 17.6 inches in Fort Pierre means that it is one of the driest places in South Dakota.
June is the rainiest month in Fort Pierre with 9.8 days of rain, and February is the driest month with only 3.9 rainy days. There are 73.7 rainy days annually in Fort Pierre, 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 17% chance of a rainy day.
An annual snowfall of 34.3 inches in Fort Pierre means that it is less snowy than most places in South Dakota. February is the snowiest month in Fort Pierre with 6.3 inches of snow, and 7 months of the year have significant snowfall.
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