March weather in Monmouth, IL
The average temperature in Monmouth in March is 39.4°F (29.1°F–49.7°F). Average precipitation: 2.61 inches. Average snowfall is 3.3 inches.
March is a spring month in Monmouth, and is cooler than the annual average of 50.6°F. Daily temperatures swing about 20.6°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 11h 43m. For travel, March is cool.
Avg High
49.7°F
Avg Low
29.1°F
Precipitation
2.61 in
Snow
3.3 in
March records in Monmouth
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| March 1 | 72.0°F (1992) | -11.9°F (1962) | 0.95 in (1976) |
| March 2 | 73.9°F (1992) | -9.0°F (1913) | 0.86 in (1940) |
| March 3 | 75.9°F (1974) | -14.1°F (2014) | 0.78 in (1979) |
| March 4 | 78.1°F (2024) | -11.0°F (2014) | 2.40 in (1985) |
| March 5 | 78.1°F (2024) | -8.0°F (1960) | 1.95 in (1894) |
| March 6 | 73.0°F (1974) | -8.0°F (1960) | 0.87 in (1961) |
| March 7 | 77.0°F (2000) | -5.1°F (1943) | 1.09 in (1903) |
| March 8 | 77.0°F (2000) | -6.0°F (1943) | 2.20 in (2009) |
| March 9 | 75.0°F (2016) | 3.0°F (1982) | 0.75 in (2013) |
| March 10 | 75.9°F (1955) | 0.0°F (1934) | 1.80 in (1990) |
| March 11 | 79.0°F (1972) | 1.9°F (1948) | 1.87 in (1939) |
| March 12 | 80.1°F (1990) | -4.0°F (1948) | 1.80 in (1902) |
| March 13 | 77.0°F (1990) | 5.0°F (1926) | 1.28 in (1917) |
| March 14 | 77.0°F (2025) | 5.0°F (1993) | 1.23 in (2024) |
| March 15 | 82.9°F (2025) | 9.0°F (1906) | 2.03 in (1944) |
| March 16 | 82.9°F (1945) | -0.9°F (1900) | 1.39 in (2016) |
| March 17 | 80.1°F (1894) | -0.9°F (1900) | 1.25 in (1965) |
| March 18 | 81.0°F (2012) | 3.0°F (1923) | 1.13 in (2021) |
| March 19 | 82.0°F (2012) | -7.1°F (1923) | 2.65 in (1948) |
| March 20 | 82.0°F (2012) | 6.1°F (1906) | 1.95 in (1945) |
| March 21 | 88.0°F (1907) | 6.1°F (1951) | 1.04 in (1913) |
| March 22 | 82.9°F (2012) | 9.0°F (1913) | 1.00 in (1955) |
| March 23 | 88.0°F (1910) | 9.0°F (1960) | 1.30 in (1913) |
| March 24 | 82.0°F (1910) | 3.9°F (1974) | 1.34 in (1954) |
| March 25 | 84.0°F (1907) | 7.0°F (1894) | 1.75 in (1954) |
| March 26 | 84.0°F (1991) | 6.1°F (1955) | 1.62 in (1916) |
| March 27 | 82.9°F (1945) | 12.0°F (1894) | 1.44 in (1898) |
| March 28 | 84.0°F (1910) | 12.0°F (1970) | 0.98 in (1931) |
| March 29 | 87.1°F (1986) | 12.0°F (1894) | 1.71 in (1951) |
| March 30 | 82.0°F (1943) | 12.0°F (1964) | 1.34 in (2019) |
| March 31 | 86.0°F (2026) | 10.9°F (1899) | 2.35 in (1929) |