April weather in Merrill, WI
The average temperature in Merrill in April is 41.3°F (29.6°F–52.9°F). Average precipitation: 2.93 inches. Average snowfall is 5.5 inches.
April is a spring month in Merrill, and is cooler than the annual average of 42.1°F. Daily temperatures swing about 23.3°F between overnight low and afternoon high. Expect about 12 days with precipitation. Daylight averages about 13h 17m. For travel, April is cool.
Avg High
52.9°F
Avg Low
29.6°F
Precipitation
2.93 in
Snow
5.5 in
April records in Merrill
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| April 1 | 78.1°F (1986) | -5.1°F (1924) | 1.82 in (2023) |
| April 2 | 78.1°F (2010) | 1.9°F (2018) | 1.22 in (1967) |
| April 3 | 73.9°F (1999) | 1.9°F (1954) | 1.10 in (1982) |
| April 4 | 75.9°F (1929) | 1.9°F (1995) | 1.58 in (1981) |
| April 5 | 80.1°F (1921) | 1.9°F (1995) | 1.10 in (1910) |
| April 6 | 80.1°F (2021) | 3.9°F (2003) | 2.01 in (1958) |
| April 7 | 82.0°F (1991) | 1.9°F (1982) | 1.29 in (1932) |
| April 8 | 81.0°F (1991) | 1.0°F (2018) | 0.98 in (1919) |
| April 9 | 75.0°F (1955) | 8.1°F (1997) | 1.30 in (1980) |
| April 10 | 78.1°F (1955) | 10.9°F (1997) | 1.14 in (1953) |
| April 11 | 81.0°F (1977) | 10.9°F (1940) | 0.90 in (1965) |
| April 12 | 80.1°F (1977) | 10.9°F (1950) | 1.60 in (2026) |
| April 13 | 84.0°F (2023) | 12.0°F (1907) | 1.54 in (1938) |
| April 14 | 82.9°F (2023) | 12.0°F (1907) | 1.04 in (1955) |
| April 15 | 84.9°F (2003) | 1.9°F (1928) | 1.24 in (1924) |
| April 16 | 87.1°F (2002) | 10.0°F (2020) | 1.43 in (2003) |
| April 17 | 84.9°F (2002) | 10.9°F (1983) | 1.73 in (1939) |
| April 18 | 80.1°F (1915) | 12.0°F (1983) | 1.67 in (1976) |
| April 19 | 82.9°F (1911) | 14.0°F (1983) | 1.03 in (2008) |
| April 20 | 81.0°F (1985) | 14.0°F (1928) | 1.16 in (2017) |
| April 21 | 86.0°F (1987) | 14.0°F (1982) | 1.38 in (2025) |
| April 22 | 86.0°F (1925) | 16.0°F (1986) | 1.12 in (1910) |
| April 23 | 88.0°F (1980) | 19.9°F (1910) | 1.74 in (1975) |
| April 24 | 84.9°F (1915) | 18.0°F (1974) | 1.05 in (1938) |
| April 25 | 84.0°F (2009) | 19.9°F (1919) | 1.48 in (2009) |
| April 26 | 84.9°F (1915) | 19.9°F (1926) | 0.90 in (1949) |
| April 27 | 84.0°F (1952) | 21.0°F (1945) | 1.37 in (2009) |
| April 28 | 91.9°F (1952) | 21.0°F (1965) | 1.17 in (2002) |
| April 29 | 91.0°F (1952) | 17.1°F (1958) | 1.37 in (2025) |
| April 30 | 88.0°F (1952) | 8.1°F (1956) | 2.21 in (1984) |