March weather in Dillon, MT
The average temperature in Dillon in March is 34.2°F (22.5°F–45.9°F). Average precipitation: 0.67 inches. Average snowfall is 0.4 inches.
March is a spring month in Dillon, and is cooler than the annual average of 42.8°F. Daily temperatures swing about 23.4°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
45.9°F
Avg Low
22.5°F
Precipitation
0.67 in
Snow
0.4 in
March records in Dillon
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| March 1 | 64.0°F (1986) | -20.9°F (1960) | 0.33 in (1953) |
| March 2 | 66.0°F (1905) | -25.1°F (1896) | 0.76 in (1985) |
| March 3 | 64.0°F (1905) | -26.0°F (1896) | 0.40 in (1912) |
| March 4 | 63.0°F (1968) | -20.0°F (2019) | 1.50 in (2026) |
| March 5 | 63.0°F (1967) | -22.0°F (2019) | 0.90 in (1920) |
| March 6 | 59.0°F (2020) | -25.1°F (1920) | 0.65 in (1907) |
| March 7 | 60.1°F (2026) | -11.0°F (1967) | 0.50 in (1924) |
| March 8 | 62.1°F (1905) | -22.0°F (1951) | 0.91 in (1918) |
| March 9 | 69.1°F (1972) | -18.9°F (1969) | 0.64 in (1958) |
| March 10 | 66.9°F (1972) | -18.9°F (1948) | 0.45 in (1954) |
| March 11 | 69.1°F (2005) | -16.1°F (1950) | 0.61 in (1929) |
| March 12 | 69.1°F (2007) | -13.0°F (1950) | 0.46 in (1957) |
| March 13 | 68.0°F (1910) | -11.0°F (1906) | 0.59 in (1996) |
| March 14 | 73.9°F (1910) | -11.9°F (1906) | 0.30 in (1942) |
| March 15 | 68.0°F (1994) | -16.1°F (1906) | 0.46 in (2018) |
| March 16 | 66.9°F (2026) | -20.0°F (1906) | 0.85 in (1937) |
| March 17 | 73.9°F (2026) | -15.0°F (1906) | 0.87 in (1968) |
| March 18 | 73.0°F (2026) | -15.0°F (1965) | 0.45 in (1921) |
| March 19 | 75.0°F (2026) | -13.0°F (1906) | 0.55 in (1913) |
| March 20 | 69.1°F (2026) | -9.9°F (1955) | 1.20 in (1909) |
| March 21 | 69.1°F (1911) | -9.0°F (1913) | 0.50 in (2023) |
| March 22 | 70.0°F (1928) | 0.0°F (1938) | 0.35 in (1913) |
| March 23 | 70.0°F (2004) | -8.0°F (1964) | 0.94 in (2009) |
| March 24 | 70.0°F (1956) | -9.0°F (1964) | 0.62 in (1915) |
| March 25 | 70.0°F (1960) | -14.1°F (1904) | 0.38 in (2023) |
| March 26 | 70.0°F (2025) | -8.0°F (1904) | 0.75 in (2023) |
| March 27 | 72.0°F (1986) | -8.0°F (1944) | 0.37 in (1900) |
| March 28 | 73.9°F (1969) | -6.0°F (1975) | 0.95 in (1909) |
| March 29 | 73.0°F (1969) | -2.0°F (1987) | 0.86 in (1967) |
| March 30 | 72.0°F (1986) | -9.9°F (1936) | 1.15 in (1993) |
| March 31 | 73.0°F (1986) | -2.0°F (1936) | 2.00 in (2026) |