October weather in Rapid City, SD

The average temperature in Rapid City in October is 48.3°F (37.9°F–58.8°F). Average precipitation: 1.49 inches. Average snowfall is 3.4 inches.

October is a fall month in Rapid City, and is warmer than the annual average of 48°F. Daily temperatures swing about 20.9°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 10h 45m. For travel, October is cool.

Avg High
58.8°F
Avg Low
37.9°F
Precipitation
1.49 in
Snow
3.4 in

October records in Rapid City

Date Record High Record Low Record Precip
October 1 90.0°F (2005) 28.9°F (1999) 0.31 in (2002)
October 2 93.9°F (2011) 28.9°F (1999) 0.79 in (2023)
October 3 93.0°F (2025) 30.0°F (1999) 0.96 in (2013)
October 4 88.0°F (2011) 28.0°F (2013) 1.96 in (1998)
October 5 89.1°F (2021) 25.0°F (2000) 0.92 in (2009)
October 6 84.9°F (2020) 23.0°F (2000) 0.48 in (2011)
October 7 87.1°F (2003) 23.0°F (2000) 0.13 in (2007)
October 8 82.9°F (2020) 21.0°F (2000) 0.35 in (1997)
October 9 90.0°F (2003) 16.0°F (2009) 0.52 in (2001)
October 10 87.1°F (2015) 12.9°F (2009) 0.24 in (2008)
October 11 86.0°F (2015) 17.1°F (2009) 0.78 in (2013)
October 12 80.1°F (1996) 19.9°F (2006) 2.63 in (2023)
October 13 75.0°F (1999) 25.0°F (2018) 0.29 in (2021)
October 14 84.0°F (2016) 21.0°F (2018) 1.10 in (2013)
October 15 82.0°F (2014) 21.0°F (2018) 0.53 in (2025)
October 16 87.1°F (2024) 26.1°F (2001) 1.16 in (1998)
October 17 84.9°F (2003) 26.1°F (2006) 0.85 in (1998)
October 18 84.9°F (2000) 19.9°F (1996) 0.17 in (2001)
October 19 84.0°F (2017) 27.0°F (2020) 0.85 in (1996)
October 20 82.0°F (2017) 25.0°F (2006) 0.71 in (2019)
October 21 82.0°F (2014) 25.0°F (2006) 0.28 in (2020)
October 22 78.1°F (2003) 18.0°F (2002) 0.37 in (2015)
October 23 75.0°F (1998) 15.1°F (2020) 0.08 in (2002)
October 24 78.1°F (2007) 14.0°F (2020) 0.28 in (2012)
October 25 79.0°F (2025) 9.0°F (1997) 0.10 in (1996)
October 26 77.0°F (2024) 3.9°F (2020) 1.48 in (1996)
October 27 82.0°F (2016) 9.0°F (2023) 0.13 in (2025)
October 28 77.0°F (2004) 12.0°F (2019) 0.73 in (1998)
October 29 77.0°F (2008) 8.1°F (2019) 1.67 in (1996)
October 30 71.1°F (2020) 8.1°F (2019) 0.08 in (2003)
October 31 79.0°F (1999) 7.0°F (2006) 0.43 in (2000)

Other months in Rapid City