February weather in Interior, SD
The average temperature in Interior in February is 28.5°F (16.2°F–40.8°F). Average precipitation: 0.55 inches. Average snowfall is 6.4 inches.
February is a winter month in Interior, and is cooler than the annual average of 50.4°F. Daily temperatures swing about 24.6°F between overnight low and afternoon high. Expect about 5 days with precipitation. Daylight averages about 10h 16m. For travel, February is cold.
Avg High
40.8°F
Avg Low
16.2°F
Precipitation
0.55 in
Snow
6.4 in
February records in Interior
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| February 1 | 68.0°F (1992) | -16.1°F (1996) | 0.14 in (1988) |
| February 2 | 66.0°F (1962) | -31.0°F (1996) | 0.37 in (2003) |
| February 3 | 71.1°F (1962) | -25.1°F (1996) | 0.90 in (1997) |
| February 4 | 70.0°F (2005) | -24.0°F (1989) | 0.27 in (1987) |
| February 5 | 68.0°F (2026) | -17.0°F (1982) | 0.27 in (1976) |
| February 6 | 69.1°F (2015) | -14.1°F (1988) | 0.12 in (1986) |
| February 7 | 73.0°F (2015) | -20.9°F (1971) | 0.48 in (2001) |
| February 8 | 68.0°F (2015) | -18.0°F (2019) | 0.20 in (2017) |
| February 9 | 69.1°F (1996) | -29.0°F (1994) | 0.51 in (2009) |
| February 10 | 75.0°F (1962) | -14.1°F (2018) | 0.50 in (2009) |
| February 11 | 71.1°F (1962) | -13.0°F (1981) | 0.23 in (1993) |
| February 12 | 64.0°F (1983) | -15.0°F (1958) | 0.23 in (2007) |
| February 13 | 68.0°F (1983) | -18.0°F (2007) | 0.20 in (1959) |
| February 14 | 68.0°F (1957) | -18.0°F (2021) | 0.30 in (1978) |
| February 15 | 66.9°F (2026) | -22.0°F (2007) | 0.20 in (1967) |
| February 16 | 68.0°F (2011) | -18.9°F (1979) | 0.21 in (1998) |
| February 17 | 71.1°F (1970) | -15.0°F (1956) | 0.45 in (1991) |
| February 18 | 71.1°F (2016) | -17.0°F (1993) | 0.55 in (1991) |
| February 19 | 70.0°F (2017) | -27.9°F (2025) | 0.20 in (2018) |
| February 20 | 64.9°F (1972) | -15.0°F (2025) | 0.70 in (1988) |
| February 21 | 73.9°F (1982) | -20.0°F (2018) | 0.89 in (2011) |
| February 22 | 72.0°F (2017) | -13.0°F (1957) | 0.29 in (2022) |
| February 23 | 68.0°F (1958) | -17.0°F (1993) | 0.27 in (1992) |
| February 24 | 73.0°F (1995) | -16.1°F (2003) | 0.29 in (2014) |
| February 25 | 72.0°F (1958) | -11.0°F (2019) | 0.23 in (1998) |
| February 26 | 70.0°F (1976) | -11.0°F (2019) | 0.80 in (1987) |
| February 27 | 75.0°F (2016) | -8.0°F (1962) | 1.10 in (1987) |
| February 28 | 73.0°F (2006) | -20.9°F (1962) | 0.77 in (2021) |
| February 29 | 73.0°F (1992) | -6.0°F (1996) | 0.37 in (2012) |