Interior Weather Records

Interior, South Dakota weather averages and records from 1949–2024 based on data made available by the NOAA.
All-Time Recorded High
The highest temperature ever recorded in Interior, South Dakota was 114 °F which occurred on July 16, 2006.
Highest Temperatures: All-Time By Year
All-Time Recorded Low
The lowest temperature ever recorded in Interior, South Dakota was -31 °F which occurred on February 2, 1996.
Lowest Temperatures: All-Time By Year
Interior Weather by Month
Averages based on the years 1991–2020
Month Average (°F) Record (°F) Average (inches)
High ☀️ Low 🌙 High ☀️ Low 🌙 Precipitation 💧 Snow ❄️
January 37.5 15.3 71 -28 0.4 5.5
February 40.8 17.1 75 -31 0.5 6.3
March 52.5 26.6 85 -23 1.1 6.9
April 62.2 35.7 94 3 2.2 5.9
May 72.2 46.6 102 20 3.6 0.5
June 82.7 56.7 109 32 3.5 0.0
July 90.9 63.0 114 42 2.3 0.0
August 90.5 61.1 110 35 1.8 0.0
September 81.8 51.5 106 25 1.4 0.0
October 65.4 38.5 97 0 1.6 2.0
November 50.0 25.9 84 -21 0.5 4.2
December 38.3 16.9 72 -31 0.5 7.0
Entire year 64.1 38.3 114 -31 18.7 35.4
More Interior Weather Records
1949–2024
Highest daily low 86 °F June 24, 2007
Lowest daily high -16 °F February 3, 1989
Greatest daily range
(Difference of high and low)
73 °F December 23, 1989
Greatest difference in daily high
over two conscutive days
60 °F Dec 22–23, 1989
Most daily precipitation 3.9 inches May 5, 2007
Most monthly precipitation 9.5 inches May 2015
Most yearly precipitation 29.5 inches 2019
Most yearly days with precipitation 104 1993
Earliest snow in season September 30 1961
Latest snow in season May 10 2015
Most daily snow 24.0 inches December 16, 2022
Most monthly snow 32.5 inches April 2013
Most yearly snow 91.4 inches 2013
Most snow in a winter 85.5 inches 2022–2023
Greatest snow accumulation 24.0 inches December 24, 2022
Earliest freeze September 12 2014
Earliest day ≥ 80 °F March 5 2000
Earliest day ≥ 90 °F April 1 2012
Earliest day ≥ 100 °F May 27 1969
Latest freeze May 22 2022
Latest day ≥ 80 °F November 8 1999
Latest day ≥ 90 °F October 21 1992
Latest day ≥ 100 °F September 19 2022
Most days in a year < 0 °F 33 1985
Most days in a year < 32 °F 162 2013
Most days in a year ≥ 80 °F 135 1963
Most days in a year ≥ 90 °F 90 2021
Most days in a year ≥ 100 °F 37 2022
Most days in a year ≥ 110 °F 3 2006
Interior Weather Streaks
Most consecutive days...
With precipitation 14 days May 12–25, 1957
Without precipitation 74 days Nov 18, 1957 – Jan 30, 1958
With snow 5 days Dec 23–27, 2009
High temperature at or
below freezing
23 days Dec 26, 1978 – Jan 17, 1979
High temperature ≥ 80 °F 92 days Jun 10 – Sep 9, 2022
High temperature ≥ 90 °F 27 days Jul 4–30, 1974
High temperature ≥ 100 °F 12 days Jul 14–25, 2012
High temperature ≥ 110 °F 3 days Jul 15–17, 2006
Plant Hardiness Zone
5A
Interior is in plant hardiness zone 5A
based on average yearly minimum temperature from 1991–2020
Facts About Interior Weather
Interior Weather by Year
More Interior Weather
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Weather Station Details
Years Station Coordinates
1949–2024 Interior 3 Ne location