Lowest August Temperatures in Rapid City
A list of the lowest temperatures ever recorded in the month of
August in
Rapid City, South Dakota from 1948–2024.
What's the coldest it has ever gotten in Rapid City in August?
The coldest August temperature in Rapid City, South Dakota history was 37 °F which occurred on August 31, 2020.
| Rank |
Temperature |
Date |
| 1 |
37 °F |
August 31, 2020 |
| 2 |
38 °F |
August 23, 2015 |
| 2 |
38 °F |
August 30, 1992 |
| 2 |
38 °F |
August 22, 1966 |
| 5 |
39 °F |
August 17, 2002 |
| 6 |
40 °F |
August 11, 2004 |
| 7 |
41 °F |
August 28, 2019 |
| 7 |
41 °F |
August 24, 2015 |
| 7 |
41 °F |
August 28, 2004 |
| 7 |
41 °F |
August 31, 1993 |
| 7 |
41 °F |
August 22, 1992 |
| 7 |
41 °F |
August 29, 1988 |
| 7 |
41 °F |
August 19, 1978 |
| 14 |
42 °F |
August 29, 2018 |
| 14 |
42 °F |
August 20, 2016 |
| 14 |
42 °F |
August 1, 2009 |
| 14 |
42 °F |
August 27, 1992 |
| 14 |
42 °F |
August 28, 1988 |
| 14 |
42 °F |
August 3, 1978 |
| 14 |
42 °F |
August 31, 1974 |
| 14 |
42 °F |
August 23, 1966 |
| 14 |
42 °F |
August 25, 1964 |
| 14 |
42 °F |
August 20, 1964 |
| 14 |
42 °F |
August 28, 1962 |