March weather in St. Charles, ID
The average temperature in St. Charles in March is 29.1°F (17.8°F–40.4°F). Average precipitation: 0.83 inches. Average snowfall is 4.1 inches.
March is a spring month in St. Charles, and is cooler than the annual average of 41°F. Daily temperatures swing about 22.6°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 11h 43m. For travel, March is cold.
Avg High
40.4°F
Avg Low
17.8°F
Precipitation
0.83 in
Snow
4.1 in
March records in St. Charles
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| March 1 | 51.1°F (1967) | -29.0°F (1922) | 0.58 in (1976) |
| March 2 | 53.1°F (1992) | -25.1°F (1922) | 0.30 in (1982) |
| March 3 | 48.9°F (1992) | -22.0°F (2007) | 1.30 in (2026) |
| March 4 | 50.0°F (1925) | -26.0°F (1966) | 0.53 in (1995) |
| March 5 | 52.0°F (1972) | -24.0°F (1966) | 0.40 in (2023) |
| March 6 | 54.0°F (1972) | -17.0°F (1955) | 0.51 in (2025) |
| March 7 | 51.1°F (1987) | -22.0°F (1964) | 0.47 in (2019) |
| March 8 | 52.0°F (2015) | -22.0°F (1964) | 0.35 in (1943) |
| March 9 | 52.0°F (2015) | -18.9°F (1969) | 0.34 in (1986) |
| March 10 | 55.9°F (2026) | -18.0°F (2022) | 0.31 in (1955) |
| March 11 | 54.0°F (1934) | -20.0°F (2022) | 0.37 in (1982) |
| March 12 | 59.0°F (1989) | -22.0°F (1932) | 0.29 in (1985) |
| March 13 | 59.0°F (1934) | -16.1°F (1922) | 0.50 in (1967) |
| March 14 | 63.0°F (1934) | -18.0°F (1969) | 0.36 in (1967) |
| March 15 | 61.0°F (1934) | -15.0°F (1923) | 0.45 in (1924) |
| March 16 | 61.0°F (2015) | -11.9°F (1955) | 0.14 in (1966) |
| March 17 | 62.1°F (2015) | -2.9°F (1955) | 0.41 in (2011) |
| March 18 | 63.0°F (2026) | -14.1°F (1923) | 0.25 in (2006) |
| March 19 | 69.1°F (2026) | -6.0°F (1971) | 0.34 in (1952) |
| March 20 | 72.0°F (2026) | -5.1°F (1964) | 0.42 in (1946) |
| March 21 | 68.0°F (2026) | -9.9°F (1943) | 0.31 in (1973) |
| March 22 | 71.1°F (2026) | -14.1°F (1952) | 0.22 in (1964) |
| March 23 | 61.0°F (2026) | -7.1°F (1952) | 0.76 in (1994) |
| March 24 | 63.0°F (2026) | -2.0°F (1966) | 0.39 in (1922) |
| March 25 | 66.9°F (2026) | -8.0°F (1924) | 0.80 in (1928) |
| March 26 | 71.1°F (2026) | -9.0°F (1955) | 0.38 in (1971) |
| March 27 | 63.0°F (2007) | -11.9°F (2023) | 0.38 in (1981) |
| March 28 | 61.0°F (1978) | -15.0°F (2023) | 0.28 in (1963) |
| March 29 | 66.9°F (2026) | -11.0°F (2023) | 0.43 in (2016) |
| March 30 | 69.1°F (1986) | -2.0°F (1985) | 0.66 in (2016) |
| March 31 | 64.0°F (2004) | -2.9°F (1924) | 0.39 in (2017) |