March weather in Boulder, MT
The average temperature in Boulder in March is 33.8°F (20.8°F–46.8°F). Average precipitation: 0.40 inches.
March is a spring month in Boulder, and is cooler than the annual average of 42.6°F. Daily temperatures swing about 26°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 11h 40m. For travel, March is cool.
Avg High
46.8°F
Avg Low
20.8°F
Precipitation
0.40 in
Daylight
11h 40m
March records in Boulder
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| March 1 | 62.1°F (1992) | -18.0°F (1960) | 0.46 in (2004) |
| March 2 | 62.1°F (1994) | -20.9°F (1960) | 0.27 in (1970) |
| March 3 | 61.0°F (1994) | -18.9°F (1976) | 0.16 in (1982) |
| March 4 | 64.0°F (1987) | -22.0°F (1989) | 0.14 in (1980) |
| March 5 | 64.9°F (1987) | -18.0°F (1951) | 0.13 in (1980) |
| March 6 | 64.0°F (2020) | -20.0°F (1951) | 0.37 in (1978) |
| March 7 | 68.0°F (1949) | -17.0°F (1951) | 0.25 in (1951) |
| March 8 | 61.0°F (1972) | -23.1°F (1951) | 0.20 in (1986) |
| March 9 | 69.1°F (1972) | -18.9°F (2002) | 0.32 in (1986) |
| March 10 | 69.1°F (1972) | -20.0°F (1951) | 0.32 in (2014) |
| March 11 | 68.0°F (2005) | -22.0°F (1969) | 0.17 in (1954) |
| March 12 | 68.0°F (2007) | -14.1°F (1950) | 0.22 in (2002) |
| March 13 | 64.0°F (2003) | -13.0°F (1969) | 0.15 in (1953) |
| March 14 | 64.9°F (1994) | -8.0°F (1969) | 0.13 in (1983) |
| March 15 | 70.0°F (1994) | -8.0°F (1967) | 0.29 in (1988) |
| March 16 | 69.1°F (1994) | 1.9°F (1958) | 0.52 in (1965) |
| March 17 | 68.0°F (1972) | -9.0°F (1965) | 0.40 in (1989) |
| March 18 | 69.1°F (2017) | -18.9°F (1965) | 0.23 in (1981) |
| March 19 | 70.0°F (2017) | -9.0°F (1955) | 0.21 in (1972) |
| March 20 | 68.0°F (1997) | -9.9°F (1955) | 0.23 in (1953) |
| March 21 | 64.9°F (1978) | -4.0°F (2002) | 0.10 in (1991) |
| March 22 | 73.9°F (2026) | -11.0°F (1952) | 0.31 in (1964) |
| March 23 | 70.0°F (1993) | -16.1°F (1964) | 0.20 in (1990) |
| March 24 | 68.0°F (1993) | -20.9°F (1964) | 0.20 in (1970) |
| March 25 | 69.1°F (1999) | -27.9°F (1955) | 0.24 in (1975) |
| March 26 | 68.0°F (1999) | -18.0°F (1955) | 0.23 in (1993) |
| March 27 | 72.0°F (1986) | -7.1°F (1955) | 0.21 in (2007) |
| March 28 | 71.1°F (1986) | -6.0°F (1954) | 0.21 in (1970) |
| March 29 | 72.0°F (1978) | -9.0°F (1987) | 0.49 in (1967) |
| March 30 | 71.1°F (1978) | -5.1°F (1954) | 0.16 in (1981) |
| March 31 | 70.0°F (2004) | 1.9°F (1994) | 0.10 in (1958) |