Three Rivers, SD Climate


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United States / South Dakota / No Metro Area / Spink County / Three Rivers / Zip Codes
Three Rivers, SD experiences a humid continental climate characterized by warm, wet summers and cold, dry winters. During the summer months, temperatures range from an average of 75F during the day to 50F at night. Winters are typically much colder with temperatures ranging from an average of 20F during the day to 0F at night. Precipitation is abundant during the summer months with frequent thunderstorms and heavy rainfall. Winters are usually dry with snowfall occurring mainly in December and January.

Three Rivers, South Dakota gets 22 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Three Rivers averages 32 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 206 sunny days per year in Three Rivers. The US average is 205 sunny days.

Three Rivers gets some kind of precipitation, on average, 79 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 85 degrees
Winter Low: the January low is 3
Rain: averages 22 inches of rain a year
Snow: averages 32 inches of snow a year

Bestplaces Comfort Index

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

9.2 Summer - 4.3 Winter
August, July and June are the most pleasant months in Three Rivers, while January and December are the least comfortable months.

  ClimateThree Rivers, South DakotaUnited States
    Unlock38.1 in.
  32.3 in.  Unlock
    Unlock106.2 days
  206 days  Unlock
  84.6°85.8°
    Unlock21.7°
  6.8  Unlock
    Unlock4.3
  1289 ft.  Unlock
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 Three Rivers with an average high temperature of 84.6°, which ranks it as about average compared to other places in South Dakota. In Three Rivers, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Three Rivers are June, September and August.
In Three Rivers, there are 15.6 days annually when the high temperature is over 90°, which is about average compared to other places in South Dakota.
January has the coldest nighttime temperatures for Three Rivers with an average of 2.8°. This is colder than most places in South Dakota.
In Three Rivers, there are 175.4 days annually when the nighttime low temperature falls below freezing, which is colder than most places in South Dakota.
In Three Rivers, there are 32.9 days annually when the nighttime low temperature falls below zero°, which is colder than most places in South Dakota.
Humidity in Three Rivers 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 Three Rivers with 3.5 inches of rain, and the driest month is January with 0.4 inches. The wettest season is Autumn with 42% of yearly precipitation and 6% occurs in Spring, which is the driest season. The annual rainfall of 21.9 inches in Three Rivers means that it is drier than most places in South Dakota.
June is the rainiest month in Three Rivers with 10.1 days of rain, and December is the driest month with only 3.9 rainy days. There are 78.7 rainy days annually in Three Rivers, 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 16% chance of a rainy day.
An annual snowfall of 32.3 inches in Three Rivers means that it is one of the least snowy places in South Dakota. March is the snowiest month in Three Rivers with 6.8 inches of snow, and 6 months of the year have significant snowfall.
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