March weather in Grass Range, MT
The average temperature in Grass Range in March is 35.6°F (23.0°F–48.2°F). Average precipitation: 0.87 inches. Average snowfall is 9.2 inches.
March is a spring month in Grass Range, and is cooler than the annual average of 45.5°F. Daily temperatures swing about 25.2°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 11h 39m. For travel, March is cool.
Avg High
48.2°F
Avg Low
23.0°F
Precipitation
0.87 in
Snow
9.2 in
March records in Grass Range
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| March 1 | 66.9°F (1986) | -17.0°F (1960) | 0.50 in (1953) |
| March 2 | 66.0°F (1994) | -22.0°F (2014) | 0.96 in (1985) |
| March 3 | 70.0°F (1986) | -32.1°F (1960) | 0.69 in (1966) |
| March 4 | 75.9°F (1987) | -20.0°F (1960) | 0.40 in (2018) |
| March 5 | 77.0°F (1987) | -26.0°F (1947) | 0.39 in (1964) |
| March 6 | 73.0°F (1987) | -25.1°F (1951) | 0.60 in (1992) |
| March 7 | 66.0°F (1986) | -18.0°F (1951) | 0.25 in (1934) |
| March 8 | 68.0°F (2026) | -31.0°F (1951) | 0.30 in (1949) |
| March 9 | 71.1°F (1972) | -18.0°F (2002) | 0.31 in (2017) |
| March 10 | 75.9°F (1983) | -23.1°F (1948) | 0.56 in (1967) |
| March 11 | 73.9°F (1983) | -23.1°F (1951) | 0.53 in (1954) |
| March 12 | 75.0°F (2007) | -20.0°F (1950) | 0.26 in (1988) |
| March 13 | 68.0°F (1972) | -9.0°F (1962) | 0.28 in (2026) |
| March 14 | 75.0°F (1935) | -17.0°F (1967) | 0.84 in (1942) |
| March 15 | 72.0°F (1979) | -14.1°F (1967) | 0.69 in (1942) |
| March 16 | 73.0°F (1994) | -8.0°F (1943) | 0.35 in (1949) |
| March 17 | 72.0°F (2007) | -9.9°F (1965) | 0.48 in (1950) |
| March 18 | 73.9°F (2017) | -18.0°F (1965) | 0.39 in (1964) |
| March 19 | 75.9°F (2026) | -2.9°F (1965) | 0.58 in (1982) |
| March 20 | 77.0°F (2026) | -9.0°F (1965) | 0.34 in (2002) |
| March 21 | 73.9°F (1939) | -23.1°F (2002) | 0.26 in (1954) |
| March 22 | 72.0°F (1939) | -6.0°F (2002) | 0.55 in (2011) |
| March 23 | 77.0°F (1993) | -11.0°F (1965) | 0.45 in (2005) |
| March 24 | 75.9°F (1956) | -18.0°F (1964) | 0.30 in (1983) |
| March 25 | 75.9°F (1956) | -14.1°F (1955) | 0.99 in (1995) |
| March 26 | 77.0°F (1960) | -16.1°F (1937) | 0.50 in (1991) |
| March 27 | 75.0°F (2025) | -14.1°F (1937) | 0.55 in (1981) |
| March 28 | 77.0°F (1986) | -9.9°F (1965) | 0.71 in (2007) |
| March 29 | 80.1°F (1978) | -11.0°F (1987) | 0.72 in (2009) |
| March 30 | 79.0°F (1978) | -9.9°F (1936) | 0.75 in (1980) |
| March 31 | 75.9°F (2015) | -11.0°F (1935) | 0.56 in (1971) |