March weather in Custer, SD
The average temperature in Custer in March is 34.8°F (24.0°F–45.6°F). Average precipitation: 0.92 inches. Average snowfall is 10.7 inches.
March is a spring month in Custer, and is cooler than the annual average of 44.9°F. Daily temperatures swing about 21.6°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 11h 41m. For travel, March is cool.
Avg High
45.6°F
Avg Low
24.0°F
Precipitation
0.92 in
Snow
10.7 in
March records in Custer
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| March 1 | 63.0°F (1992) | -24.0°F (1947) | 0.41 in (2004) |
| March 2 | 63.0°F (1994) | -20.0°F (1943) | 0.40 in (1912) |
| March 3 | 63.0°F (1992) | -26.0°F (1960) | 0.76 in (1995) |
| March 4 | 63.0°F (2000) | -17.0°F (1960) | 0.80 in (1992) |
| March 5 | 64.9°F (2000) | -20.0°F (1955) | 1.04 in (1990) |
| March 6 | 66.9°F (2000) | -25.1°F (1943) | 0.54 in (1990) |
| March 7 | 63.0°F (2016) | -22.0°F (1943) | 0.37 in (2019) |
| March 8 | 62.1°F (1968) | -24.0°F (1969) | 0.51 in (2000) |
| March 9 | 64.0°F (1989) | -16.1°F (1964) | 0.41 in (1970) |
| March 10 | 64.0°F (1996) | -20.9°F (1948) | 0.64 in (1988) |
| March 11 | 64.0°F (1995) | -24.0°F (1948) | 0.84 in (1991) |
| March 12 | 66.0°F (2007) | -29.9°F (1956) | 0.63 in (2006) |
| March 13 | 66.9°F (2007) | -18.9°F (1950) | 0.60 in (1913) |
| March 14 | 66.0°F (2003) | -9.0°F (1958) | 1.05 in (1973) |
| March 15 | 70.0°F (1994) | -17.0°F (1949) | 0.57 in (1938) |
| March 16 | 69.1°F (2015) | -11.9°F (1955) | 0.80 in (1963) |
| March 17 | 68.0°F (2012) | -7.1°F (1965) | 0.32 in (1992) |
| March 18 | 66.9°F (2012) | -13.0°F (1965) | 0.97 in (2003) |
| March 19 | 71.1°F (1997) | -17.0°F (1965) | 0.40 in (2003) |
| March 20 | 69.1°F (1997) | -14.1°F (1943) | 0.50 in (1967) |
| March 21 | 72.0°F (2026) | -24.0°F (1955) | 0.39 in (1946) |
| March 22 | 77.0°F (2026) | -9.0°F (1968) | 0.66 in (1973) |
| March 23 | 69.1°F (1993) | -7.1°F (1965) | 0.83 in (1924) |
| March 24 | 68.0°F (1993) | -9.0°F (1965) | 0.69 in (1937) |
| March 25 | 68.0°F (2007) | -29.0°F (1965) | 0.83 in (1945) |
| March 26 | 75.0°F (2026) | -18.0°F (1965) | 0.48 in (2016) |
| March 27 | 69.1°F (2004) | -4.0°F (1955) | 0.25 in (1940) |
| March 28 | 72.0°F (1946) | -9.9°F (1944) | 0.53 in (1998) |
| March 29 | 70.0°F (2015) | -11.9°F (1944) | 0.71 in (1977) |
| March 30 | 71.1°F (2026) | 1.9°F (1944) | 0.59 in (1998) |
| March 31 | 71.1°F (1946) | -17.0°F (1954) | 0.97 in (1927) |