Sangamon, SD Climate


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Sangamon, SD has a humid continental climate, characterized by hot summers and cold winters. The average annual temperature is around 45 degrees Fahrenheit, with the hottest month being July at an average high of 81 degrees Fahrenheit and the coldest month being January at an average low of 9 degrees Fahrenheit. Precipitation is evenly distributed throughout the year with an average of 27 inches per year. Snowfall averages around 25 inches per year, with the peak occurring in December.

Sangamon, South Dakota gets 20 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Sangamon averages 40 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 202 sunny days per year in Sangamon. The US average is 205 sunny days.

Sangamon gets some kind of precipitation, on average, 85 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 83 degrees
Winter Low: the January low is 4
Rain: averages 20 inches of rain a year
Snow: averages 40 inches of snow a year


Bestplaces Comfort Index

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

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

  ClimateSangamon, South DakotaUnited States
  20.0 in.38.1 in.
  40.1 in.27.8 in.
  85.0 days106.2 days
  202 days205 days
  83.4°85.8°
  3.7°21.7°
  6.67
  2.94.3
  1903 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 Sangamon with an average high temperature of 83.4°, which ranks it as cooler than most places in South Dakota. In Sangamon, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Sangamon are June, August and July.
In Sangamon, there are 13.1 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 Sangamon with an average of 3.7°. This is colder than most places in South Dakota.
In Sangamon, there are 177.1 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in South Dakota.
In Sangamon, there are 33.6 days annually when the nighttime low temperature falls below zero°, which is colder than most places in South Dakota.
Humidity in Sangamon 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 Sangamon with 3.5 inches of rain, and the driest month is January with 0.4 inches. The wettest season is Autumn with 44% of yearly precipitation and 7% occurs in Spring, which is the driest season. The annual rainfall of 20.0 inches in Sangamon means that it is drier than most places in South Dakota.
June is the rainiest month in Sangamon with 11.2 days of rain, and December is the driest month with only 5.0 rainy days. There are 85.0 rainy days annually in Sangamon, 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 18% chance of a rainy day.
An annual snowfall of 40.1 inches in Sangamon means that it is snowier than most places in South Dakota. March is the snowiest month in Sangamon with 7.8 inches of snow, and 7 months of the year have significant snowfall.
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