March weather in Potosi, MO
The average temperature in Potosi in March is 44.3°F (33.5°F–55.1°F). Average precipitation: 4.09 inches. Average snowfall is 1.9 inches.
March is a spring month in Potosi, and is cooler than the annual average of 54.8°F. Daily temperatures swing about 21.6°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 11h 45m. For travel, March is cool.
Avg High
55.1°F
Avg Low
33.5°F
Precipitation
4.09 in
Snow
1.9 in
March records in Potosi
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| March 1 | 73.9°F (2006) | 15.1°F (2015) | 0.65 in (2015) |
| March 2 | 79.0°F (1901) | 6.1°F (2002) | 1.23 in (2026) |
| March 3 | 79.0°F (2022) | -2.9°F (2002) | 1.61 in (2023) |
| March 4 | 72.0°F (2026) | 0.0°F (2002) | 1.35 in (1984) |
| March 5 | 73.9°F (2024) | 0.0°F (2019) | 4.22 in (2026) |
| March 6 | 72.0°F (1987) | -0.9°F (1901) | 1.92 in (1894) |
| March 7 | 82.9°F (2009) | -2.0°F (1899) | 2.57 in (1995) |
| March 8 | 77.0°F (2000) | -2.0°F (1899) | 1.50 in (2002) |
| March 9 | 71.1°F (1986) | 6.1°F (1996) | 0.91 in (2006) |
| March 10 | 77.0°F (2026) | 9.0°F (1998) | 1.58 in (1901) |
| March 11 | 80.1°F (1900) | 9.0°F (1998) | 1.75 in (2013) |
| March 12 | 82.9°F (2025) | 3.0°F (1998) | 3.39 in (2006) |
| March 13 | 81.0°F (2025) | 5.0°F (1896) | 1.50 in (1994) |
| March 14 | 82.0°F (2025) | 12.0°F (1897) | 1.40 in (2011) |
| March 15 | 82.0°F (2012) | 12.9°F (1897) | 1.33 in (2002) |
| March 16 | 82.9°F (2016) | 9.0°F (1900) | 1.58 in (2012) |
| March 17 | 81.0°F (1989) | 1.0°F (1900) | 1.44 in (2013) |
| March 18 | 78.1°F (2011) | 7.0°F (1902) | 3.04 in (2008) |
| March 19 | 82.0°F (1982) | 14.0°F (2023) | 4.19 in (2008) |
| March 20 | 80.1°F (1982) | 9.0°F (1896) | 2.30 in (1998) |
| March 21 | 88.0°F (2026) | 8.1°F (1900) | 1.12 in (1898) |
| March 22 | 90.0°F (2026) | 15.1°F (2002) | 1.00 in (2010) |
| March 23 | 95.0°F (2026) | 17.1°F (1898) | 1.98 in (1896) |
| March 24 | 81.0°F (1994) | 10.0°F (1898) | 2.10 in (2023) |
| March 25 | 80.1°F (1989) | 15.1°F (1898) | 1.25 in (2023) |
| March 26 | 82.0°F (2026) | 8.1°F (1894) | 1.24 in (2024) |
| March 27 | 91.0°F (2026) | 5.0°F (1894) | 2.33 in (1898) |
| March 28 | 88.0°F (1985) | 16.0°F (1982) | 1.96 in (1902) |
| March 29 | 84.9°F (1986) | 14.0°F (1899) | 1.02 in (1901) |
| March 30 | 84.0°F (1895) | 19.0°F (1894) | 1.33 in (1985) |
| March 31 | 82.9°F (2026) | 14.0°F (1898) | 2.61 in (2022) |