March weather in Dedham, IA
The average temperature in Dedham in March is 35.7°F (25.3°F–46.2°F). Average precipitation: 1.87 inches.
March is a spring month in Dedham, and is cooler than the annual average of 48.3°F. Daily temperatures swing about 20.9°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
46.2°F
Avg Low
25.3°F
Precipitation
1.87 in
Daylight
11h 43m
March records in Dedham
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| March 1 | 73.0°F (1992) | -27.9°F (1962) | 1.10 in (1965) |
| March 2 | 73.0°F (1992) | -15.0°F (1913) | 1.04 in (1991) |
| March 3 | 72.0°F (1983) | -11.9°F (2014) | 0.85 in (1941) |
| March 4 | 78.1°F (1905) | -14.1°F (1960) | 0.85 in (1924) |
| March 5 | 70.0°F (2000) | -26.0°F (1960) | 1.13 in (2025) |
| March 6 | 73.0°F (2000) | -14.1°F (1960) | 1.84 in (1983) |
| March 7 | 75.9°F (2000) | -15.0°F (1923) | 2.15 in (2026) |
| March 8 | 73.9°F (2016) | -9.0°F (1995) | 0.67 in (1961) |
| March 9 | 73.0°F (1986) | -9.0°F (1995) | 1.14 in (1999) |
| March 10 | 72.0°F (1967) | -5.1°F (1934) | 1.13 in (1902) |
| March 11 | 73.9°F (2021) | -24.0°F (1948) | 0.68 in (2010) |
| March 12 | 75.0°F (2024) | -11.9°F (1960) | 1.48 in (1986) |
| March 13 | 72.0°F (2015) | -11.9°F (1975) | 1.25 in (1899) |
| March 14 | 77.0°F (2007) | -15.0°F (1975) | 1.49 in (1990) |
| March 15 | 78.1°F (1935) | -5.1°F (1912) | 0.96 in (2021) |
| March 16 | 77.0°F (1966) | -2.0°F (1923) | 0.92 in (2004) |
| March 17 | 84.9°F (2015) | -9.9°F (1900) | 1.57 in (1986) |
| March 18 | 81.0°F (2012) | -8.0°F (1923) | 1.21 in (1957) |
| March 19 | 82.0°F (1921) | -14.1°F (1923) | 1.32 in (1982) |
| March 20 | 81.0°F (1934) | -4.0°F (1900) | 1.05 in (2020) |
| March 21 | 84.0°F (1938) | -7.1°F (1965) | 0.70 in (1894) |
| March 22 | 91.0°F (2026) | -4.0°F (1912) | 1.98 in (1952) |
| March 23 | 86.0°F (1910) | -2.9°F (1899) | 1.46 in (1991) |
| March 24 | 82.9°F (1967) | -4.0°F (1974) | 1.40 in (1893) |
| March 25 | 81.0°F (1910) | 0.0°F (1894) | 1.80 in (1996) |
| March 26 | 86.0°F (1907) | -2.0°F (1955) | 1.75 in (1959) |
| March 27 | 87.1°F (1907) | 3.9°F (1964) | 1.72 in (1948) |
| March 28 | 82.9°F (1910) | 5.0°F (1970) | 1.95 in (1900) |
| March 29 | 88.0°F (1986) | -0.9°F (1964) | 1.80 in (1976) |
| March 30 | 87.1°F (1968) | 3.0°F (1969) | 1.03 in (2017) |
| March 31 | 88.0°F (2026) | 12.0°F (1899) | 2.10 in (1897) |