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Mount Rushmore Weather Records

Mount Rushmore, South Dakota weather data and records from 1962–2022 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 Mount Rushmore, South Dakota was 100.0 °F37.8 °C which occurred on July 30, 2006.
Highest Temperatures: All-Time By Year
All-Time Recorded Low
The lowest temperature ever recorded in Mount Rushmore, South Dakota was -38.0 °F-38.9 °C which occurred on January 19, 1963.
Lowest Temperatures: All-Time By Year
Mount Rushmore 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) 36.82.7 36.42.4 44.26.8 50.410.2 59.815.4 71.221.8 78.725.9 77.425.2 69.220.7 55.513.0 44.77.0 36.72.6 55.212.9
🌙 Average low (°F°C) 18.9-7.3 18.4-7.5 25.5-3.6 32.00.0 41.65.3 51.911.1 58.914.9 57.914.4 49.69.8 37.22.9 27.2-2.7 19.8-6.8 36.82.6
☀️ Record high (°F°C) 70.021.1 68.020.0 78.125.6 84.929.4 93.033.9 99.037.2 100.037.8 99.037.2 97.036.1 86.030.0 75.023.9 68.020.0 100.037.8
🌙 Record low (°F°C) -38.0-38.9 -29.0-33.9 -16.1-26.7 1.0-17.2 14.0-10.0 27.0-2.8 39.94.4 33.10.6 19.0-7.2 -4.0-20.0 -11.9-24.4 -31.0-35.0 -38.0-38.9
💧 Average precipitation (inchescm) 0.51.2 0.71.9 1.33.2 2.76.8 4.611.8 3.69.1 3.69.1 2.25.6 1.84.5 1.74.3 0.61.6 0.51.3 23.659.9
💧 Daily % chance precipitation 16.6 21.6 21.7 32.7 44.0 44.8 39.9 34.7 25.8 23.1 15.0 15.3 28.0
❄️ Average snow (inchescm) 6.817.4 8.822.3 10.526.7 11.830.1 2.97.3 0.20.6 0.00.0 0.00.0 0.82.1 4.411.3 5.714.5 6.616.8 59.6151.5
❄️ Daily % chance snow 13.9 17.1 12.6 11.9 2.6 0.2 0.0 0.0 0.7 5.4 9.6 12.4 7.3
More Mount Rushmore Weather Records
1962–2022
Highest daily low 79.0 °F26.1 °C July 19, 2011
Lowest daily high -20.9 °F-29.4 °C February 3, 1989
Most daily precipitation 6.3 inches16.0 cm June 10, 1972
Most monthly precipitation 10.9 inches27.7 cm May 1962
Most yearly precipitation 39.0 inches99.1 cm 2019
Earliest freeze September 4 1962
Latest freeze June 16 1981
Earliest snow September 7 2020
Latest snow June 12 1999
Most daily snow 30.0 inches76.2 cm April 19, 2000
Most monthly snow 41.0 inches104.1 cm April 1984
Most yearly snow 116.3 inches295.4 cm 1971
Mount Rushmore Weather Streaks
Most consecutive days...
With precipitation 12 days Jul 31 – Aug 11, 2013
Without precipitation 65 days Oct 19 – Dec 22, 1987
With snow 6 days Feb 16–21, 1962
High temperature ≤ 32 °F0 °C
freezing temperatures
20 days Feb 15 – Mar 6, 2019
High temperature ≥ 80 °F27 °C 28 days Jul 4–31, 1974
High temperature ≥ 90 °F32 °C 8 days Jul 25 – Aug 1, 1987
Mount Rushmore Weather by Year
More
Weather Station Details
Years Station Coordinates
1962–2022 Mt Rushmore Nmem location