March weather in Merrill, WI
The average temperature in Merrill in March is 27.9°F (17.0°F–38.7°F). Average precipitation: 1.75 inches. Average snowfall is 7.2 inches.
March is a spring month in Merrill, and is cooler than the annual average of 42.1°F. Daily temperatures swing about 21.7°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 11h 41m. For travel, March is cold.
Avg High
38.7°F
Avg Low
17.0°F
Precipitation
1.75 in
Snow
7.2 in
March records in Merrill
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| March 1 | 59.0°F (2000) | -35.0°F (1962) | 0.75 in (1908) |
| March 2 | 55.0°F (1923) | -34.1°F (1962) | 0.91 in (1965) |
| March 3 | 55.9°F (2024) | -25.1°F (2014) | 0.70 in (1970) |
| March 4 | 60.1°F (2024) | -24.0°F (2014) | 1.00 in (1966) |
| March 5 | 60.1°F (2000) | -33.0°F (1917) | 0.94 in (2025) |
| March 6 | 66.0°F (1910) | -27.0°F (1920) | 0.81 in (1946) |
| March 7 | 66.9°F (2000) | -27.0°F (1920) | 1.57 in (1973) |
| March 8 | 75.0°F (2000) | -18.9°F (1913) | 0.88 in (2002) |
| March 9 | 72.0°F (2000) | -15.0°F (1948) | 1.07 in (2000) |
| March 10 | 63.0°F (2026) | -26.0°F (1948) | 0.53 in (1918) |
| March 11 | 63.0°F (2025) | -11.0°F (1943) | 1.46 in (1973) |
| March 12 | 62.1°F (2012) | -13.0°F (1906) | 0.90 in (1990) |
| March 13 | 68.0°F (2016) | -18.0°F (1926) | 0.68 in (2026) |
| March 14 | 66.0°F (1995) | -11.9°F (1975) | 1.05 in (1990) |
| March 15 | 73.9°F (2012) | -20.0°F (1906) | 0.94 in (1955) |
| March 16 | 68.0°F (1927) | -15.0°F (1997) | 2.18 in (2016) |
| March 17 | 71.1°F (2012) | -13.0°F (1906) | 0.66 in (1930) |
| March 18 | 79.0°F (2012) | -16.1°F (1939) | 0.84 in (1966) |
| March 19 | 79.0°F (2012) | -17.0°F (1923) | 1.08 in (1986) |
| March 20 | 77.0°F (2012) | -16.1°F (1965) | 1.31 in (1969) |
| March 21 | 77.0°F (2012) | -9.0°F (1965) | 0.68 in (1972) |
| March 22 | 75.0°F (2012) | -11.9°F (1943) | 0.57 in (1949) |
| March 23 | 81.0°F (1910) | -15.0°F (1906) | 1.11 in (2022) |
| March 24 | 84.9°F (1910) | -14.1°F (1974) | 1.02 in (1979) |
| March 25 | 70.0°F (1910) | -9.0°F (1971) | 1.11 in (1996) |
| March 26 | 80.1°F (1910) | -11.0°F (1923) | 1.16 in (1906) |
| March 27 | 86.0°F (1910) | -9.0°F (1996) | 1.10 in (1976) |
| March 28 | 78.1°F (1910) | -9.0°F (1955) | 1.03 in (2003) |
| March 29 | 79.0°F (1910) | -4.0°F (1969) | 1.70 in (2025) |
| March 30 | 77.0°F (1986) | -2.9°F (1969) | 0.95 in (2025) |
| March 31 | 68.0°F (1963) | -15.0°F (1923) | 0.72 in (2013) |