March weather in Circle, MT
The average temperature in Circle in March is 33.6°F (21.6°F–45.5°F). Average precipitation: 0.49 inches.
March is a spring month in Circle, and is cooler than the annual average of 45.1°F. Daily temperatures swing about 23.9°F between overnight low and afternoon high. Expect about 4 days with precipitation. Daylight averages about 11h 39m. For travel, March is cool.
Avg High
45.5°F
Avg Low
21.6°F
Precipitation
0.49 in
Daylight
11h 39m
March records in Circle
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| March 1 | 66.0°F (1992) | -20.0°F (2014) | 0.18 in (1972) |
| March 2 | 64.0°F (2025) | -24.0°F (1995) | 0.25 in (1982) |
| March 3 | 64.9°F (1992) | -29.0°F (2019) | 0.20 in (1982) |
| March 4 | 66.9°F (2000) | -20.0°F (1972) | 0.32 in (2013) |
| March 5 | 71.1°F (1987) | -15.0°F (1976) | 0.09 in (1995) |
| March 6 | 72.0°F (2016) | -29.0°F (1996) | 0.42 in (2017) |
| March 7 | 70.0°F (2020) | -22.0°F (1995) | 0.36 in (1988) |
| March 8 | 68.0°F (2026) | -38.9°F (1996) | 0.22 in (2002) |
| March 9 | 69.1°F (2012) | -33.0°F (2002) | 0.10 in (1969) |
| March 10 | 70.0°F (2012) | -20.0°F (2002) | 0.29 in (1978) |
| March 11 | 68.0°F (1995) | -24.0°F (1998) | 0.08 in (2020) |
| March 12 | 73.9°F (2007) | -7.1°F (1976) | 0.51 in (1995) |
| March 13 | 75.0°F (2012) | -11.0°F (2017) | 0.18 in (1984) |
| March 14 | 72.0°F (2015) | -17.0°F (1967) | 0.42 in (1971) |
| March 15 | 71.1°F (2012) | -13.0°F (1967) | 0.15 in (1984) |
| March 16 | 77.0°F (2012) | 1.0°F (1967) | 0.18 in (1965) |
| March 17 | 71.1°F (1994) | -15.0°F (1965) | 0.26 in (2005) |
| March 18 | 72.0°F (2017) | -18.9°F (1965) | 0.95 in (2003) |
| March 19 | 79.0°F (2026) | -8.0°F (1965) | 0.30 in (2000) |
| March 20 | 80.1°F (2026) | -16.1°F (1965) | 0.39 in (1982) |
| March 21 | 78.1°F (2026) | -18.9°F (2002) | 0.74 in (1987) |
| March 22 | 73.0°F (2012) | -20.0°F (2002) | 0.26 in (2011) |
| March 23 | 73.9°F (1993) | -11.0°F (1965) | 0.41 in (1975) |
| March 24 | 75.0°F (1993) | -17.0°F (1965) | 0.23 in (1972) |
| March 25 | 78.1°F (2007) | -15.0°F (1964) | 0.20 in (1991) |
| March 26 | 77.0°F (1999) | -14.1°F (1965) | 0.46 in (1971) |
| March 27 | 81.0°F (2025) | 0.0°F (2024) | 0.26 in (1997) |
| March 28 | 80.1°F (2015) | -4.0°F (2023) | 0.60 in (1977) |
| March 29 | 72.0°F (1966) | -7.1°F (1965) | 0.46 in (2007) |
| March 30 | 77.0°F (1966) | -2.0°F (1996) | 0.30 in (1967) |
| March 31 | 82.9°F (2004) | 3.0°F (1970) | 0.34 in (2014) |