May weather in Edgemont, SD
The average temperature in Edgemont in May is 53.3°F (37.9°F–68.7°F). Average precipitation: 2.65 inches. Average snowfall is 1.0 inches.
May is a spring month in Edgemont, and is warmer than the annual average of 44.4°F. Daily temperatures swing about 30.8°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 14h 30m. For travel, May is cool.
Avg High
68.7°F
Avg Low
37.9°F
Precipitation
2.65 in
Snow
1.0 in
May records in Edgemont
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 90.0°F (1992) | 21.0°F (1990) | 1.35 in (2008) |
| May 2 | 84.0°F (2021) | 18.0°F (2019) | 0.53 in (1988) |
| May 3 | 86.0°F (1985) | 19.0°F (2008) | 0.54 in (2008) |
| May 4 | 89.1°F (1985) | 17.1°F (2024) | 0.50 in (1981) |
| May 5 | 90.0°F (2000) | 16.0°F (2024) | 0.73 in (2001) |
| May 6 | 93.0°F (2004) | 23.0°F (2020) | 0.51 in (1993) |
| May 7 | 88.0°F (1992) | 28.0°F (1999) | 1.34 in (1981) |
| May 8 | 91.9°F (1992) | 21.0°F (2010) | 0.91 in (2014) |
| May 9 | 90.0°F (1985) | 24.1°F (2020) | 0.77 in (1986) |
| May 10 | 87.1°F (1985) | 19.9°F (2020) | 1.38 in (2015) |
| May 11 | 89.1°F (2025) | 19.0°F (1979) | 0.54 in (1980) |
| May 12 | 96.1°F (2025) | 21.0°F (1983) | 1.12 in (2011) |
| May 13 | 96.1°F (2025) | 25.0°F (2019) | 0.58 in (2023) |
| May 14 | 95.0°F (2017) | 25.0°F (1983) | 0.86 in (1994) |
| May 15 | 88.0°F (2012) | 27.0°F (2014) | 0.69 in (1982) |
| May 16 | 90.0°F (1987) | 28.0°F (2014) | 1.25 in (2021) |
| May 17 | 93.9°F (2012) | 28.0°F (1992) | 0.67 in (1991) |
| May 18 | 93.0°F (2012) | 30.9°F (1983) | 0.53 in (2011) |
| May 19 | 93.0°F (1992) | 26.1°F (2003) | 1.22 in (2018) |
| May 20 | 96.1°F (2009) | 32.0°F (2015) | 1.25 in (2011) |
| May 21 | 91.9°F (1992) | 23.0°F (2022) | 1.05 in (2021) |
| May 22 | 90.0°F (2012) | 18.0°F (2022) | 1.41 in (1992) |
| May 23 | 96.1°F (2012) | 18.0°F (2022) | 1.36 in (1991) |
| May 24 | 88.0°F (1984) | 26.1°F (2022) | 1.50 in (2008) |
| May 25 | 90.0°F (1985) | 28.0°F (2022) | 1.07 in (1997) |
| May 26 | 89.1°F (2018) | 30.0°F (2020) | 0.43 in (1987) |
| May 27 | 93.9°F (2018) | 34.0°F (2020) | 0.74 in (1996) |
| May 28 | 93.9°F (2022) | 32.0°F (1984) | 0.83 in (1991) |
| May 29 | 95.0°F (2003) | 34.0°F (2011) | 1.13 in (2006) |
| May 30 | 93.9°F (2014) | 36.0°F (2015) | 1.28 in (1980) |
| May 31 | 89.1°F (1984) | 36.0°F (1979) | 1.28 in (2022) |