May weather in Buffalo Gap, SD
The average temperature in Buffalo Gap in May is 55.0°F (40.6°F–69.4°F). Average precipitation: 3.30 inches. Average snowfall is 1.2 inches.
May is a spring month in Buffalo Gap, and is warmer than the annual average of 47.2°F. Daily temperatures swing about 28.8°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 14h 31m. For travel, May is a comfortable month to visit.
Avg High
69.4°F
Avg Low
40.6°F
Precipitation
3.30 in
Snow
1.2 in
May records in Buffalo Gap
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 93.9°F (1992) | 21.9°F (2005) | 0.98 in (2003) |
| May 2 | 88.0°F (1988) | 15.1°F (2005) | 1.36 in (1988) |
| May 3 | 89.1°F (1982) | 18.0°F (2005) | 0.55 in (1991) |
| May 4 | 93.0°F (1985) | 23.0°F (2013) | 0.64 in (2020) |
| May 5 | 91.0°F (1986) | 23.0°F (2013) | 0.36 in (2012) |
| May 6 | 97.0°F (2004) | 24.1°F (1982) | 1.10 in (2001) |
| May 7 | 89.1°F (2017) | 10.0°F (2011) | 1.12 in (1981) |
| May 8 | 96.1°F (2000) | 25.0°F (1980) | 1.25 in (2014) |
| May 9 | 93.0°F (1985) | 27.0°F (1997) | 1.15 in (2022) |
| May 10 | 89.1°F (1985) | 24.1°F (2020) | 1.38 in (2015) |
| May 11 | 88.0°F (2012) | 27.0°F (2008) | 1.45 in (1991) |
| May 12 | 95.0°F (2025) | 25.0°F (1973) | 1.37 in (2023) |
| May 13 | 95.0°F (2025) | 28.9°F (1983) | 0.73 in (1995) |
| May 14 | 95.0°F (2001) | 21.9°F (2016) | 0.75 in (1982) |
| May 15 | 93.0°F (1976) | 27.0°F (2014) | 1.50 in (1982) |
| May 16 | 93.9°F (1978) | 26.1°F (2009) | 1.29 in (2021) |
| May 17 | 93.9°F (2012) | 28.0°F (1976) | 1.28 in (1982) |
| May 18 | 96.1°F (1988) | 28.9°F (1983) | 0.86 in (1981) |
| May 19 | 95.0°F (1992) | 21.9°F (1983) | 0.86 in (2025) |
| May 20 | 99.0°F (2009) | 26.1°F (2003) | 1.96 in (2011) |
| May 21 | 91.9°F (1992) | 28.0°F (2015) | 1.61 in (1987) |
| May 22 | 90.0°F (2007) | 24.1°F (2022) | 1.83 in (1992) |
| May 23 | 98.1°F (2012) | 28.0°F (1992) | 3.70 in (1971) |
| May 24 | 90.0°F (1984) | 25.0°F (2002) | 1.69 in (2008) |
| May 25 | 91.9°F (1985) | 30.9°F (2022) | 1.49 in (1997) |
| May 26 | 91.9°F (1985) | 28.0°F (1992) | 1.53 in (2015) |
| May 27 | 93.9°F (2006) | 30.9°F (1992) | 1.38 in (2025) |
| May 28 | 93.9°F (2022) | 32.0°F (2005) | 2.18 in (2018) |
| May 29 | 91.0°F (1985) | 35.1°F (1984) | 1.25 in (2001) |
| May 30 | 91.9°F (2014) | 32.0°F (1975) | 0.75 in (1971) |
| May 31 | 96.1°F (2002) | 32.0°F (1974) | 2.73 in (1983) |