March weather in Westby, MT
The average temperature in Westby in March is 25.0°F (14.2°F–35.7°F). Average precipitation: 0.55 inches.
March is a spring month in Westby, and is cooler than the annual average of 39.1°F. Daily temperatures swing about 21.5°F between overnight low and afternoon high. Daylight averages about 11h 38m. For travel, March is cold.
Avg High
35.7°F
Avg Low
14.2°F
Precipitation
0.55 in
Daylight
11h 38m
March records in Westby
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| March 1 | 64.0°F (1992) | -29.9°F (1951) | 0.35 in (2007) |
| March 2 | 57.9°F (1992) | -27.9°F (1972) | 0.20 in (1941) |
| March 3 | 55.0°F (2000) | -26.0°F (2014) | 0.44 in (1997) |
| March 4 | 60.1°F (1992) | -27.0°F (1960) | 0.20 in (1951) |
| March 5 | 61.0°F (2000) | -27.0°F (1976) | 0.59 in (2018) |
| March 6 | 66.0°F (2000) | -23.1°F (1951) | 0.40 in (1983) |
| March 7 | 64.9°F (2016) | -27.0°F (1943) | 0.45 in (1992) |
| March 8 | 55.9°F (1977) | -27.0°F (2003) | 0.14 in (1999) |
| March 9 | 59.0°F (2015) | -26.0°F (1951) | 0.10 in (1951) |
| March 10 | 57.9°F (2012) | -33.0°F (1948) | 0.24 in (1962) |
| March 11 | 63.0°F (1990) | -25.1°F (2009) | 0.63 in (1976) |
| March 12 | 59.0°F (2012) | -29.9°F (1951) | 0.58 in (1990) |
| March 13 | 71.1°F (2007) | -16.1°F (2009) | 0.53 in (1939) |
| March 14 | 69.1°F (2012) | -17.0°F (1967) | 0.65 in (1943) |
| March 15 | 63.0°F (1996) | -22.0°F (1939) | 0.20 in (1943) |
| March 16 | 68.0°F (1981) | -18.9°F (1997) | 0.36 in (1982) |
| March 17 | 73.9°F (2012) | -16.1°F (1939) | 0.98 in (1943) |
| March 18 | 60.1°F (1985) | -15.0°F (2023) | 0.82 in (1964) |
| March 19 | 62.1°F (2024) | -17.0°F (2023) | 0.30 in (1947) |
| March 20 | 69.1°F (2021) | -16.1°F (2013) | 0.43 in (1992) |
| March 21 | 69.1°F (2007) | -16.1°F (2013) | 0.35 in (1938) |
| March 22 | 66.0°F (1945) | -17.0°F (1965) | 0.20 in (2005) |
| March 23 | 73.9°F (1993) | -18.0°F (1965) | 0.42 in (1975) |
| March 24 | 72.0°F (1939) | -16.1°F (1965) | 0.30 in (1949) |
| March 25 | 73.9°F (2007) | -18.0°F (1964) | 0.26 in (1948) |
| March 26 | 75.0°F (2007) | -16.1°F (2013) | 0.32 in (1950) |
| March 27 | 77.0°F (1946) | -16.1°F (2013) | 0.74 in (2012) |
| March 28 | 66.9°F (1963) | -8.0°F (1964) | 0.57 in (1985) |
| March 29 | 73.9°F (2015) | -22.0°F (1964) | 0.26 in (1938) |
| March 30 | 77.0°F (1978) | -9.9°F (1969) | 0.27 in (1938) |
| March 31 | 71.1°F (2012) | -4.0°F (2018) | 0.90 in (2014) |