Interior, SD Climate


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United States / South Dakota / No Metro Area / Jackson County / Interior / Zip Codes
Interior town, SD has a moderate climate with cold winters and warm summers. The weather is generally dry, with an average of only 15 inches of total precipitation a year. Winters are typically cold, with temperatures rarely falling below 0°F, while summers are warm and sunny, often reaching into the mid-80s. Spring and autumn months tend to be mild and comfortable. Despite the low precipitation levels, snow can still accumulate in the winter months as Interior town is located in the northern part of South Dakota's Black Hills region.

Bestplaces Comfort Index

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

8.5 Summer - 5.2 Winter
June, September and May are the most pleasant months in Interior town, while January and December are the least comfortable months.

  ClimateInterior, South DakotaUnited States
  18.4 in.38.1 in.
  33.2 in.27.8 in.
  80.8 days106.2 days
  228 days205 days
  90.0°85.8°
  12.9°21.7°
  77
  4.94.3
  2382 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 Interior town with an average high temperature of 90.0°, which ranks it as one of the hottest places in South Dakota. In Interior town, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Interior town are September, June and May.
In Interior town, there are 45.5 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 Interior town with an average of 12.9°. This is one of the warmest places in South Dakota.
In Interior town, there are 158.0 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in South Dakota.
In Interior town, there are 16.9 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in South Dakota.
Humidity in Interior town 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 Interior town with 3.1 inches of rain, and the driest month is January with 0.4 inches. The wettest season is Autumn with 38% of yearly precipitation and 8% occurs in Spring, which is the driest season. The annual rainfall of 18.4 inches in Interior town means that it is drier than most places in South Dakota.
June is the rainiest month in Interior town with 10.7 days of rain, and January is the driest month with only 4.2 rainy days. There are 80.8 rainy days annually in Interior town, which is about average compared to other places in South Dakota. The rainiest season is Autumn when it rains 31% of the time and the driest is Spring with only a 16% chance of a rainy day.
An annual snowfall of 33.2 inches in Interior town means that it is less snowy than most places in South Dakota. March is the snowiest month in Interior town with 7.7 inches of snow, and 7 months of the year have significant snowfall.
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