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Rapid City Weather Records

Rapid City, South Dakota weather averages and records from 1948–2022 based on data made available by the NOAA.
All-Time Recorded High
The highest temperature ever recorded in Rapid City, South Dakota was 111 °F which occurred on July 15, 2006.
Highest Temperatures: All-Time By Year
All-Time Recorded Low
The lowest temperature ever recorded in Rapid City, South Dakota was -31 °F which occurred on February 2, 1996.
Lowest Temperatures: All-Time By Year
Rapid City Weather by Month
Averages based on the years 1991–2020
Month Average (°F) Record (°F) Average (inches)
High ☀️ Low 🌙 High ☀️ Low 🌙 Precipitation 💧 Snow ❄️
January 36.5 12.7 76 -27 0.3 5.3
February 38.6 14.1 75 -31 0.5 7.7
March 48.7 22.9 84 -21 0.9 8.4
April 57.2 31.3 93 -1 2.1 10.0
May 67.0 41.9 98 18 3.5 1.5
June 78.1 51.6 109 31 2.9 0.0
July 87.0 58.4 111 39 2.3 0.0
August 86.0 56.4 107 37 1.6 0.0
September 76.6 46.7 104 18 1.2 0.1
October 61.0 33.9 96 -7 1.3 2.6
November 47.8 22.0 83 -19 0.4 5.9
December 37.7 14.1 75 -30 0.4 6.7
Entire year 60.3 33.9 111 -31 17.3 47.9
More Rapid City Weather Records
1948–2022
Highest daily low 75 °F July 8, 1985
Lowest daily high -18 °F February 2, 1989
Greatest daily range
(Difference of high and low)
72 °F January 31, 1989
Difference in high temperature
over two conscutive days
72 °F Jan 31 – Feb 1, 1989
Most daily precipitation 3.8 inches June 15, 1963
Most monthly precipitation 8.2 inches May 1996
Most yearly precipitation 28.5 inches 2019
Earliest freeze September 8 2020
Latest freeze June 2 1951
Earliest snow in season September 13 1970
Latest snow in season June 13 1969
Most daily snow 20.0 inches April 9, 2013
Most monthly snow 43.4 inches April 2013
Most yearly snow 100.6 inches 2013
Most days in a year ≥ 80 °F 111 1988
Most days in a year ≥ 90 °F 59 1988
Most days in a year ≥ 100 °F 16 1988
Rapid City Weather Streaks
Most consecutive days...
With precipitation 10 days May 17–26, 2011
Without precipitation 49 days Nov 2 – Dec 20, 2004
With snow 7 days Jan 17–23, 2011
Freezing temperatures
High temperature ≤ 32 °F
25 days Jan 16 – Feb 9, 1949
High temperature ≥ 80 °F 63 days Jun 16 – Aug 17, 2006
High temperature ≥ 90 °F 22 days Jul 4–25, 1974
High temperature ≥ 100 °F 7 days Jul 25–31, 1987
Rapid City Weather by Year
More
Weather Station Details
Years Station Coordinates
1948–2022 Rapid City Regional Airport location