March weather in Oconomowoc Lake, WI
The average temperature in Oconomowoc Lake in March is 34.2°F (24.6°F–43.7°F). Average precipitation: 2.10 inches. Average snowfall is 4.8 inches.
March is a spring month in Oconomowoc Lake, and is cooler than the annual average of 47.2°F. Daily temperatures swing about 19.1°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 11h 42m. For travel, March is cold.
Avg High
43.7°F
Avg Low
24.6°F
Precipitation
2.10 in
Snow
4.8 in
March records in Oconomowoc Lake
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| March 1 | 62.1°F (1992) | -18.9°F (1962) | 1.40 in (1991) |
| March 2 | 62.1°F (1964) | -8.0°F (1950) | 0.63 in (2004) |
| March 3 | 69.1°F (1983) | -9.9°F (2014) | 1.07 in (1985) |
| March 4 | 71.1°F (2024) | -13.0°F (2002) | 0.43 in (1979) |
| March 5 | 64.0°F (1983) | -9.9°F (1978) | 1.25 in (1964) |
| March 6 | 66.9°F (1983) | -13.0°F (1960) | 0.75 in (1961) |
| March 7 | 72.0°F (1987) | -6.0°F (1982) | 0.79 in (1973) |
| March 8 | 77.0°F (2000) | -7.1°F (1984) | 0.80 in (1893) |
| March 9 | 73.0°F (2000) | -5.1°F (1975) | 1.01 in (2009) |
| March 10 | 71.1°F (2026) | -8.0°F (2003) | 0.80 in (1952) |
| March 11 | 68.0°F (2025) | -5.1°F (1948) | 0.72 in (2013) |
| March 12 | 75.0°F (1990) | -8.0°F (1948) | 0.52 in (1982) |
| March 13 | 72.0°F (1990) | -4.0°F (1896) | 1.60 in (2006) |
| March 14 | 72.0°F (1995) | -5.1°F (1993) | 0.74 in (1973) |
| March 15 | 78.1°F (2025) | -4.0°F (1993) | 1.02 in (2024) |
| March 16 | 78.1°F (2012) | 7.0°F (1893) | 1.80 in (2026) |
| March 17 | 77.0°F (2012) | 3.0°F (1959) | 0.44 in (1989) |
| March 18 | 79.0°F (2012) | 0.0°F (1959) | 1.35 in (1983) |
| March 19 | 79.0°F (2012) | 1.9°F (1965) | 1.07 in (1948) |
| March 20 | 73.9°F (1976) | -2.9°F (1965) | 0.87 in (2020) |
| March 21 | 82.0°F (2012) | -0.9°F (1965) | 1.31 in (2011) |
| March 22 | 82.9°F (2012) | 8.1°F (1983) | 1.13 in (2007) |
| March 23 | 80.1°F (2012) | 7.0°F (1960) | 1.16 in (1966) |
| March 24 | 70.0°F (1945) | -2.0°F (1974) | 0.72 in (2021) |
| March 25 | 71.1°F (1946) | -2.0°F (1960) | 1.31 in (2009) |
| March 26 | 78.1°F (2007) | 1.9°F (1960) | 1.09 in (2024) |
| March 27 | 80.1°F (1945) | 1.9°F (1965) | 1.17 in (2017) |
| March 28 | 81.0°F (1945) | 8.1°F (1970) | 0.76 in (1896) |
| March 29 | 81.0°F (1986) | 6.1°F (1969) | 1.20 in (1977) |
| March 30 | 78.1°F (1998) | 3.9°F (1969) | 1.27 in (1960) |
| March 31 | 81.0°F (1981) | 5.0°F (1969) | 2.53 in (1998) |