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Rapid City Weather Records

Rapid City, South Dakota weather data and records from 1948–2022 based on data compiled by the NOAA.
All data displayed in U.S. customary units.
All data displayed in metric units.
All-Time Recorded High
The highest temperature ever recorded in Rapid City, South Dakota was 111.0 °F43.9 °C 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 -31.0 °F-35.0 °C which occurred on February 2, 1996.
Lowest Temperatures: All-Time By Year
Rapid City Weather by Month
Averages based on the years 1991–2020
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
☀️ Average high (°F°C) 36.52.5 38.63.7 48.79.3 57.214.0 67.019.4 78.125.6 87.030.5 86.030.0 76.624.8 61.016.1 47.88.8 37.73.2 60.315.7
🌙 Average low (°F°C) 12.7-10.7 14.1-9.9 22.9-5.1 31.3-0.4 41.95.5 51.610.9 58.414.7 56.413.6 46.78.1 33.91.0 22.0-5.5 14.1-10.0 33.91.1
☀️ Record high (°F°C) 75.924.4 75.023.9 84.028.9 93.033.9 98.136.7 109.042.8 111.043.9 107.141.7 104.040.0 96.135.6 82.928.3 75.023.9 111.043.9
🌙 Record low (°F°C) -27.0-32.8 -31.0-35.0 -20.9-29.4 -0.8-18.2 18.0-7.8 30.9-0.6 39.03.9 37.02.8 18.0-7.8 -6.9-21.6 -18.9-28.3 -29.9-34.4 -31.0-35.0
💧 Average precipitation (inchescm) 0.30.8 0.51.3 0.92.2 2.15.3 3.58.8 2.97.3 2.35.8 1.64.0 1.23.1 1.33.3 0.41.1 0.40.9 17.343.9
💧 Daily % chance precipitation 18.3 23.0 22.5 34.9 40.5 41.7 31.7 25.5 21.9 23.0 17.2 16.1 26.4
❄️ Average snow (inchescm) 5.313.4 7.719.5 8.421.3 10.025.3 1.53.9 0.00.0 0.00.0 0.00.0 0.10.2 2.66.5 5.915.0 6.717.1 47.9121.5
❄️ Daily % chance snow 19.8 24.9 13.2 14.2 1.2 0.0 0.0 0.0 0.3 4.7 12.4 18.2 8.9
More Rapid City Weather Records
1948–2022
Highest daily low 75.0 °F23.9 °C July 8, 1985
Lowest daily high -18.0 °F-27.8 °C February 2, 1989
Most daily precipitation 3.8 inches9.6 cm June 15, 1963
Most monthly precipitation 8.2 inches20.8 cm May 1996
Most yearly precipitation 28.5 inches72.3 cm 2019
Earliest freeze September 8 2020
Latest freeze June 2 1951
Earliest snow September 13 1970
Latest snow June 13 1969
Most daily snow 20.0 inches50.8 cm April 9, 2013
Most monthly snow 43.4 inches110.3 cm April 2013
Most yearly snow 100.6 inches255.4 cm 2013
Rapid City Weather Streaks
Most consecutive days...
With precipitation 10 days May 17–26, 2011
Without precipitation 42 days Dec 10, 1986 – Jan 20, 1987
With snow 7 days Jan 17–23, 2011
High temperature ≤ 32 °F0 °C
freezing temperatures
25 days Jan 16 – Feb 9, 1949
High temperature ≥ 80 °F27 °C 63 days Jun 16 – Aug 17, 2006
High temperature ≥ 90 °F32 °C 21 days Jul 5–25, 1974
High temperature ≥ 100 °F38 °C 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