March weather in Plains, MT
The average temperature in Plains in March is 38.4°F (26.3°F–50.6°F). Average precipitation: inches.
March is a spring month in Plains, and is cooler than the annual average of 46.2°F. Daily temperatures swing about 24.3°F between overnight low and afternoon high. Daylight averages about 11h 39m. For travel, March is cool.
Avg High
50.6°F
Avg Low
26.3°F
Precipitation
in
Daylight
11h 39m
March records in Plains
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| March 1 | 64.0°F (1968) | 1.0°F (1965) | 0.78 in (1961) |
| March 2 | 64.9°F (1968) | -2.9°F (1976) | 0.27 in (1997) |
| March 3 | 64.9°F (1968) | -6.0°F (1978) | 0.50 in (1987) |
| March 4 | 68.0°F (1968) | -2.9°F (1966) | 0.44 in (1998) |
| March 5 | 68.0°F (1968) | -0.9°F (1976) | 0.37 in (2009) |
| March 6 | 64.0°F (1992) | 3.9°F (1971) | 0.41 in (1980) |
| March 7 | 63.0°F (2005) | 8.1°F (1967) | 0.36 in (1961) |
| March 8 | 69.1°F (2004) | -11.9°F (2002) | 0.20 in (1990) |
| March 9 | 63.0°F (2005) | 3.0°F (1969) | 0.80 in (1967) |
| March 10 | 63.0°F (2005) | -4.0°F (1969) | 0.22 in (1997) |
| March 11 | 69.1°F (2005) | -2.9°F (1969) | 0.64 in (1965) |
| March 12 | 71.1°F (1992) | 3.0°F (1969) | 0.34 in (2007) |
| March 13 | 68.0°F (2003) | 8.1°F (1969) | 0.33 in (1984) |
| March 14 | 71.1°F (1992) | 12.0°F (1969) | 0.36 in (1984) |
| March 15 | 71.1°F (1994) | 12.0°F (2001) | 0.66 in (1993) |
| March 16 | 66.9°F (1981) | 16.0°F (1971) | 0.71 in (1997) |
| March 17 | 69.1°F (2007) | 6.1°F (1965) | 0.72 in (1992) |
| March 18 | 66.9°F (2004) | 3.0°F (1965) | 0.46 in (1969) |
| March 19 | 71.1°F (1999) | 8.1°F (1965) | 0.40 in (2001) |
| March 20 | 69.1°F (1999) | 9.0°F (1965) | 0.87 in (2002) |
| March 21 | 68.0°F (1963) | 10.9°F (2002) | 0.16 in (1995) |
| March 22 | 72.0°F (2004) | 9.0°F (2002) | 0.50 in (1964) |
| March 23 | 69.1°F (1968) | -5.1°F (1965) | 0.31 in (1998) |
| March 24 | 68.0°F (1968) | -11.0°F (1965) | 0.25 in (2008) |
| March 25 | 66.9°F (1963) | 0.0°F (1965) | 0.33 in (2006) |
| March 26 | 70.0°F (1966) | -29.0°F (2002) | 0.38 in (1962) |
| March 27 | 70.0°F (1966) | 0.0°F (1975) | 0.83 in (1962) |
| March 28 | 71.1°F (1966) | -4.0°F (1975) | 0.50 in (1968) |
| March 29 | 72.0°F (1966) | 12.9°F (1987) | 0.90 in (1963) |
| March 30 | 77.0°F (2004) | 14.0°F (2013) | 0.82 in (1963) |
| March 31 | 73.9°F (1994) | 12.0°F (1975) | 0.33 in (1974) |