April weather in Watertown, SD
The average temperature in Watertown in April is 42.8°F (31.5°F–54.0°F). Average precipitation: 2.06 inches. Average snowfall is 5.2 inches.
April is a spring month in Watertown, and is cooler than the annual average of 43°F. Daily temperatures swing about 22.5°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 13h 16m. For travel, April is cool.
Avg High
54.0°F
Avg Low
31.5°F
Precipitation
2.06 in
Snow
5.2 in
April records in Watertown
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| April 1 | 75.9°F (1963) | -2.0°F (1975) | 0.89 in (2020) |
| April 2 | 93.9°F (1910) | 1.9°F (1899) | 0.62 in (1965) |
| April 3 | 78.1°F (1910) | 0.0°F (1975) | 1.36 in (1968) |
| April 4 | 82.0°F (1930) | -2.7°F (2018) | 0.97 in (1957) |
| April 5 | 82.9°F (1991) | -9.9°F (1926) | 0.65 in (1964) |
| April 6 | 86.0°F (1991) | 6.1°F (1979) | 1.53 in (2001) |
| April 7 | 82.0°F (1988) | 0.0°F (1936) | 1.01 in (2021) |
| April 8 | 84.9°F (1931) | 3.9°F (1997) | 0.88 in (1967) |
| April 9 | 84.9°F (1977) | 3.9°F (1997) | 0.80 in (2017) |
| April 10 | 84.0°F (1977) | 14.0°F (1973) | 0.97 in (1947) |
| April 11 | 82.0°F (1968) | 7.0°F (1939) | 1.37 in (2001) |
| April 12 | 89.1°F (1931) | 3.9°F (1961) | 1.33 in (1972) |
| April 13 | 86.0°F (2024) | 6.1°F (1950) | 1.02 in (1927) |
| April 14 | 89.1°F (2003) | -5.1°F (1928) | 3.25 in (1912) |
| April 15 | 82.0°F (1898) | 12.2°F (2014) | 0.89 in (2012) |
| April 16 | 86.0°F (1964) | 12.9°F (1904) | 1.85 in (2024) |
| April 17 | 82.9°F (1987) | 12.0°F (1953) | 1.04 in (1975) |
| April 18 | 90.0°F (1985) | 14.0°F (1988) | 1.30 in (1977) |
| April 19 | 86.0°F (1987) | 10.9°F (1928) | 2.00 in (1957) |
| April 20 | 90.0°F (1980) | 9.1°F (2013) | 1.24 in (2004) |
| April 21 | 95.0°F (1980) | 10.0°F (1927) | 2.32 in (2007) |
| April 22 | 87.1°F (1990) | 18.0°F (1956) | 1.32 in (2001) |
| April 23 | 89.1°F (1939) | 11.1°F (2013) | 1.65 in (1932) |
| April 24 | 87.1°F (1962) | 18.0°F (1918) | 1.52 in (1953) |
| April 25 | 91.9°F (1962) | 17.2°F (2013) | 1.12 in (2008) |
| April 26 | 82.0°F (1899) | 17.1°F (1931) | 0.97 in (1924) |
| April 27 | 84.9°F (1910) | 16.0°F (1909) | 1.58 in (1938) |
| April 28 | 93.9°F (1910) | 18.0°F (2008) | 1.27 in (1897) |
| April 29 | 89.1°F (1934) | 14.0°F (1907) | 1.22 in (1991) |
| April 30 | 91.9°F (1992) | 12.0°F (1966) | 1.58 in (1936) |