Sidney, SD Climate


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United States / South Dakota / No Metro Area / Perkins County / Sidney / Zip Codes
Sidney, SD experiences a humid continental climate with hot summers and cold winters. The average high in July is around 80 degrees Fahrenheit while the average low in January is around 8 degrees Fahrenheit. Precipitation is relatively evenly spread throughout the year, with an average of just under 20 inches annually. Snowfall averages around 30 inches per year. Winters can be long and cold, but the relatively mild summers make up for it.

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Sidney is 6.8 (10=best), which means it is about average compared to other places in South Dakota.

9 Summer - 4.6 Winter
July, June and August are the most pleasant months in Sidney, while January and December are the least comfortable months.

  ClimateSidney, South DakotaUnited States
  16.4 in.38.1 in.
  41.4 in.27.8 in.
  63.7 days106.2 days
  218 days205 days
  86.0°85.8°
  8.3°21.7°
  6.87
  2.94.3
  2635 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 Sidney with an average high temperature of 86.0°, which ranks it as warmer than most places in South Dakota. In Sidney, there are 2 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Sidney are June, September and August.
In Sidney, there are 26.4 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 Sidney with an average of 8.3°. This is warmer than most places in South Dakota.
In Sidney, there are 180.4 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in South Dakota.
In Sidney, there are 26.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in South Dakota.
Humidity in Sidney 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 Sidney with 2.9 inches of rain, and the driest month is January with 0.4 inches. The wettest season is Autumn with 40% of yearly precipitation and 9% occurs in Spring, which is the driest season. The annual rainfall of 16.4 inches in Sidney means that it is one of the driest places in South Dakota.
June is the rainiest month in Sidney with 8.1 days of rain, and January is the driest month with only 3.6 rainy days. There are 63.7 rainy days annually in Sidney, which is one of the least rainy places in South Dakota. The rainiest season is Autumn when it rains 32% of the time and the driest is Spring with only a 18% chance of a rainy day.
An annual snowfall of 41.4 inches in Sidney means that it is snowier than most places in South Dakota. March is the snowiest month in Sidney with 8.3 inches of snow, and 8 months of the year have significant snowfall.
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