May weather in Hill City, SD
The average temperature in Hill City in May is 50.7°F (36.6°F–64.8°F). Average precipitation: 4.15 inches. Average snowfall is 4.1 inches.
May is a spring month in Hill City, and is warmer than the annual average of 43.9°F. Daily temperatures swing about 28.2°F between overnight low and afternoon high. Expect about 14 days with precipitation. Daylight averages about 14h 33m. For travel, May is cool.
Avg High
64.8°F
Avg Low
36.6°F
Precipitation
4.15 in
Snow
4.1 in
May records in Hill City
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 84.9°F (2020) | 17.1°F (1989) | 1.92 in (1987) |
| May 2 | 75.0°F (2021) | 14.0°F (2002) | 0.69 in (1997) |
| May 3 | 79.0°F (2015) | 14.0°F (2005) | 0.68 in (1991) |
| May 4 | 81.0°F (2000) | 19.9°F (2024) | 1.12 in (1978) |
| May 5 | 84.0°F (2000) | 19.0°F (1996) | 1.48 in (1993) |
| May 6 | 82.9°F (2016) | 19.9°F (1989) | 1.44 in (1993) |
| May 7 | 81.0°F (1992) | 23.0°F (1998) | 0.89 in (1978) |
| May 8 | 84.9°F (2018) | 21.0°F (2010) | 3.06 in (1995) |
| May 9 | 75.0°F (1991) | 21.0°F (2021) | 2.25 in (1965) |
| May 10 | 75.9°F (1994) | 18.0°F (1990) | 2.12 in (1971) |
| May 11 | 82.9°F (2012) | 21.9°F (2021) | 1.33 in (2002) |
| May 12 | 86.0°F (2025) | 23.0°F (1999) | 1.77 in (1991) |
| May 13 | 86.0°F (2025) | 19.0°F (2014) | 1.19 in (1956) |
| May 14 | 87.1°F (2013) | 19.0°F (2016) | 0.95 in (1965) |
| May 15 | 79.0°F (2012) | 21.0°F (2014) | 2.87 in (1965) |
| May 16 | 82.9°F (2019) | 25.0°F (2014) | 2.53 in (1987) |
| May 17 | 86.0°F (2012) | 21.9°F (1992) | 1.39 in (1981) |
| May 18 | 86.0°F (2012) | 26.1°F (2016) | 1.35 in (1978) |
| May 19 | 88.0°F (2009) | 26.1°F (1997) | 2.04 in (2011) |
| May 20 | 90.0°F (2020) | 17.1°F (2003) | 0.92 in (1959) |
| May 21 | 79.0°F (2007) | 23.0°F (2015) | 1.15 in (2016) |
| May 22 | 82.9°F (2006) | 19.0°F (2022) | 3.32 in (1962) |
| May 23 | 84.9°F (2012) | 24.1°F (2022) | 1.69 in (2008) |
| May 24 | 80.1°F (1989) | 23.0°F (2001) | 2.08 in (1909) |
| May 25 | 79.0°F (2018) | 25.0°F (2004) | 1.83 in (1965) |
| May 26 | 84.0°F (2006) | 26.1°F (1992) | 1.01 in (1956) |
| May 27 | 88.0°F (2018) | 28.9°F (1989) | 1.17 in (1996) |
| May 28 | 87.1°F (2010) | 26.1°F (1992) | 1.18 in (2018) |
| May 29 | 88.0°F (2003) | 28.0°F (2005) | 1.47 in (2011) |
| May 30 | 84.9°F (2014) | 28.0°F (2017) | 1.04 in (1978) |
| May 31 | 80.1°F (1997) | 32.0°F (2012) | 1.67 in (1909) |