April weather in Watertown, WI
The average temperature in Watertown in April is 45.4°F (35.1°F–55.6°F). Average precipitation: 3.67 inches. Average snowfall is 1.6 inches.
April is a spring month in Watertown, and is cooler than the annual average of 46.4°F. Daily temperatures swing about 20.5°F between overnight low and afternoon high. Expect about 12 days with precipitation. Daylight averages about 13h 12m. For travel, April is cool.
Avg High
55.6°F
Avg Low
35.1°F
Precipitation
3.67 in
Snow
1.6 in
April records in Watertown
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| April 1 | 81.0°F (1946) | 10.0°F (1972) | 1.33 in (1993) |
| April 2 | 82.0°F (2010) | 10.9°F (1896) | 0.52 in (1983) |
| April 3 | 78.1°F (1956) | 10.0°F (1954) | 2.83 in (1982) |
| April 4 | 79.0°F (1981) | 12.9°F (1995) | 1.01 in (1999) |
| April 5 | 78.1°F (1921) | 12.9°F (1995) | 0.69 in (1947) |
| April 6 | 81.0°F (1929) | 12.9°F (1979) | 1.78 in (1929) |
| April 7 | 84.0°F (1991) | 10.0°F (1982) | 2.33 in (2006) |
| April 8 | 79.0°F (1991) | 12.9°F (1972) | 1.09 in (2015) |
| April 9 | 75.9°F (1945) | 17.1°F (1928) | 1.70 in (2015) |
| April 10 | 87.1°F (1930) | 15.1°F (1909) | 2.52 in (2013) |
| April 11 | 82.9°F (1977) | 18.0°F (1973) | 1.53 in (1922) |
| April 12 | 82.9°F (1941) | 3.9°F (1948) | 1.05 in (2001) |
| April 13 | 82.0°F (2023) | 16.0°F (1997) | 1.54 in (1952) |
| April 14 | 80.1°F (1941) | 16.0°F (1997) | 2.31 in (2014) |
| April 15 | 84.0°F (2003) | 8.1°F (1948) | 3.40 in (2026) |
| April 16 | 87.1°F (2002) | 16.0°F (1904) | 1.47 in (1998) |
| April 17 | 86.0°F (2002) | 21.0°F (2020) | 1.50 in (1896) |
| April 18 | 87.1°F (1977) | 21.9°F (1907) | 1.54 in (1909) |
| April 19 | 86.0°F (2002) | 19.9°F (1897) | 1.50 in (1909) |
| April 20 | 86.0°F (1985) | 19.9°F (1897) | 1.60 in (1993) |
| April 21 | 84.9°F (1985) | 21.0°F (1904) | 1.49 in (1937) |
| April 22 | 91.0°F (1980) | 24.1°F (1986) | 1.34 in (1972) |
| April 23 | 84.9°F (1980) | 21.9°F (1910) | 2.44 in (1999) |
| April 24 | 84.0°F (1915) | 18.0°F (1910) | 1.20 in (1910) |
| April 25 | 84.9°F (1990) | 25.0°F (1919) | 1.42 in (1976) |
| April 26 | 86.0°F (1990) | 21.0°F (1907) | 1.59 in (2009) |
| April 27 | 86.0°F (1986) | 25.0°F (1907) | 1.43 in (1899) |
| April 28 | 86.0°F (1952) | 27.0°F (2019) | 1.31 in (1975) |
| April 29 | 86.0°F (1970) | 25.0°F (1958) | 1.46 in (1909) |
| April 30 | 88.0°F (1942) | 27.0°F (1956) | 1.50 in (1984) |