April weather in Rapid City, SD
The average temperature in Rapid City in April is 44.5°F (34.0°F–55.0°F). Average precipitation: 2.26 inches. Average snowfall is 10.0 inches.
April is a spring month in Rapid City, and is cooler than the annual average of 48°F. Daily temperatures swing about 21°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 13h 14m. For travel, April is cool.
Avg High
55.0°F
Avg Low
34.0°F
Precipitation
2.26 in
Snow
10.0 in
April records in Rapid City
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| April 1 | 86.0°F (2012) | 12.9°F (2018) | 0.44 in (2020) |
| April 2 | 77.0°F (2011) | 8.1°F (2020) | 0.45 in (2001) |
| April 3 | 75.9°F (2005) | 3.9°F (2020) | 0.48 in (2019) |
| April 4 | 79.0°F (2021) | 10.0°F (2018) | 1.15 in (2009) |
| April 5 | 80.1°F (2006) | 17.1°F (2007) | 0.44 in (1997) |
| April 6 | 77.0°F (2002) | 10.0°F (2018) | 1.60 in (2024) |
| April 7 | 79.0°F (2017) | 10.0°F (2018) | 0.38 in (2002) |
| April 8 | 78.1°F (2005) | 7.0°F (1997) | 0.35 in (2013) |
| April 9 | 80.1°F (2016) | 10.0°F (2013) | 0.96 in (2013) |
| April 10 | 84.9°F (1996) | 10.0°F (1997) | 0.56 in (2019) |
| April 11 | 87.1°F (2023) | 10.0°F (1997) | 0.60 in (1996) |
| April 12 | 82.9°F (2003) | 16.0°F (2020) | 0.14 in (2018) |
| April 13 | 84.9°F (2024) | 15.1°F (2020) | 0.82 in (2018) |
| April 14 | 81.0°F (2002) | 10.9°F (2020) | 0.59 in (2012) |
| April 15 | 84.0°F (2008) | 17.1°F (2000) | 0.79 in (2024) |
| April 16 | 78.1°F (2025) | 16.0°F (2022) | 0.26 in (2009) |
| April 17 | 86.0°F (2005) | 19.9°F (2001) | 0.24 in (2006) |
| April 18 | 78.1°F (2014) | 19.9°F (2013) | 0.83 in (2000) |
| April 19 | 79.0°F (2001) | 21.9°F (2021) | 1.28 in (2000) |
| April 20 | 77.0°F (2019) | 21.9°F (2011) | 0.30 in (2002) |
| April 21 | 73.0°F (2020) | 21.9°F (2008) | 1.03 in (2005) |
| April 22 | 81.0°F (2016) | 21.0°F (2013) | 1.25 in (2001) |
| April 23 | 84.0°F (2009) | 18.0°F (2013) | 1.25 in (2010) |
| April 24 | 84.9°F (2012) | 27.0°F (2006) | 0.68 in (2025) |
| April 25 | 79.0°F (2012) | 26.1°F (2017) | 1.38 in (1999) |
| April 26 | 77.0°F (2001) | 25.0°F (2017) | 0.54 in (2016) |
| April 27 | 84.9°F (2001) | 28.0°F (2010) | 0.73 in (2002) |
| April 28 | 84.9°F (2001) | 23.0°F (2005) | 0.75 in (2025) |
| April 29 | 82.0°F (2008) | 25.0°F (2005) | 0.76 in (2000) |
| April 30 | 84.0°F (2021) | 27.0°F (2005) | 1.02 in (2003) |