April weather in Agar, SD
The average temperature in Agar in April is 45.5°F (33.2°F–57.8°F). Average precipitation: 1.96 inches. Average snowfall is 6.5 inches.
April is a spring month in Agar, and is cooler than the annual average of 46°F. Daily temperatures swing about 24.6°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 13h 16m. For travel, April is cool.
Avg High
57.8°F
Avg Low
33.2°F
Precipitation
1.96 in
Snow
6.5 in
April records in Agar
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| April 1 | 90.0°F (2012) | -0.9°F (1975) | 0.37 in (1935) |
| April 2 | 80.1°F (1921) | 3.0°F (1936) | 0.62 in (2025) |
| April 3 | 84.0°F (1921) | -2.9°F (1936) | 0.75 in (1946) |
| April 4 | 86.0°F (1921) | -0.9°F (2018) | 1.36 in (1986) |
| April 5 | 82.9°F (1991) | 10.9°F (1936) | 1.18 in (1997) |
| April 6 | 87.1°F (1959) | 6.1°F (2023) | 0.79 in (2006) |
| April 7 | 87.1°F (1988) | -2.0°F (1936) | 1.55 in (1919) |
| April 8 | 84.0°F (1988) | 3.0°F (1923) | 0.53 in (2018) |
| April 9 | 93.9°F (1977) | 10.0°F (1989) | 0.65 in (1949) |
| April 10 | 89.1°F (1996) | 9.0°F (1997) | 1.25 in (1913) |
| April 11 | 87.1°F (2023) | 9.0°F (1939) | 1.17 in (1991) |
| April 12 | 84.9°F (1931) | 12.0°F (1957) | 1.26 in (1991) |
| April 13 | 91.9°F (2003) | 16.0°F (1957) | 1.05 in (1941) |
| April 14 | 90.0°F (1942) | 12.0°F (1928) | 0.97 in (1941) |
| April 15 | 90.0°F (2008) | 12.9°F (2018) | 0.98 in (1918) |
| April 16 | 89.1°F (1958) | 10.0°F (2022) | 0.92 in (1976) |
| April 17 | 86.0°F (1987) | 14.0°F (1953) | 1.20 in (1930) |
| April 18 | 89.1°F (1923) | 12.0°F (1988) | 1.46 in (2016) |
| April 19 | 87.1°F (1923) | 14.0°F (1928) | 1.06 in (2000) |
| April 20 | 95.0°F (1980) | 9.0°F (1966) | 1.36 in (2007) |
| April 21 | 98.1°F (1980) | 10.0°F (1927) | 0.86 in (1940) |
| April 22 | 93.9°F (1980) | 19.9°F (1951) | 0.85 in (2001) |
| April 23 | 90.0°F (1989) | 14.0°F (2013) | 0.95 in (1915) |
| April 24 | 91.0°F (1962) | 19.0°F (2021) | 1.47 in (1929) |
| April 25 | 91.9°F (1962) | 23.0°F (2013) | 0.96 in (1990) |
| April 26 | 87.1°F (1952) | 18.0°F (1931) | 1.34 in (1915) |
| April 27 | 93.9°F (2001) | 19.0°F (1961) | 3.20 in (1964) |
| April 28 | 91.9°F (2001) | 17.1°F (2008) | 1.26 in (2025) |
| April 29 | 89.1°F (1926) | 19.9°F (1958) | 0.85 in (1953) |
| April 30 | 91.9°F (1992) | 21.0°F (1925) | 0.93 in (1989) |