April weather in Diagonal, IA
The average temperature in Diagonal in April is 49.7°F (38.0°F–61.4°F). Average precipitation: 3.37 inches. Average snowfall is 0.7 inches.
April is a spring month in Diagonal, and is warmer than the annual average of 49.6°F. Daily temperatures swing about 23.4°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 13h 6m. For travel, April is a comfortable month to visit.
Avg High
61.4°F
Avg Low
38.0°F
Precipitation
3.37 in
Snow
0.7 in
April records in Diagonal
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| April 1 | 84.9°F (1956) | 7.0°F (1899) | 1.10 in (1927) |
| April 2 | 84.9°F (1981) | 10.9°F (2018) | 0.76 in (1984) |
| April 3 | 86.0°F (2012) | 8.1°F (1936) | 1.76 in (1957) |
| April 4 | 88.0°F (2011) | 12.0°F (2018) | 1.13 in (1934) |
| April 5 | 82.0°F (1929) | 5.0°F (1920) | 1.15 in (2017) |
| April 6 | 88.0°F (2000) | 9.0°F (1982) | 1.35 in (1954) |
| April 7 | 84.9°F (1972) | 12.9°F (2018) | 1.68 in (1932) |
| April 8 | 84.9°F (1905) | 16.0°F (2007) | 1.70 in (1927) |
| April 9 | 88.0°F (1905) | 16.0°F (1928) | 1.94 in (2001) |
| April 10 | 91.0°F (1930) | 15.1°F (1989) | 1.65 in (1978) |
| April 11 | 87.1°F (1930) | 21.9°F (1940) | 1.39 in (2005) |
| April 12 | 86.0°F (1916) | 15.1°F (1957) | 1.50 in (1909) |
| April 13 | 82.9°F (1908) | 16.0°F (1950) | 1.40 in (2012) |
| April 14 | 88.0°F (2006) | 19.0°F (1907) | 2.70 in (2014) |
| April 15 | 87.1°F (1896) | 17.1°F (2014) | 1.52 in (1999) |
| April 16 | 87.1°F (1898) | 21.0°F (2018) | 2.42 in (1992) |
| April 17 | 86.0°F (2004) | 19.9°F (1907) | 1.40 in (1960) |
| April 18 | 88.0°F (1985) | 21.0°F (1953) | 4.10 in (2013) |
| April 19 | 84.9°F (1987) | 23.0°F (1988) | 2.27 in (1927) |
| April 20 | 91.0°F (1902) | 21.0°F (2013) | 1.52 in (1918) |
| April 21 | 87.1°F (1902) | 21.9°F (1966) | 1.85 in (1974) |
| April 22 | 88.0°F (1980) | 26.1°F (1936) | 0.83 in (1999) |
| April 23 | 87.1°F (1961) | 21.9°F (2023) | 2.45 in (1968) |
| April 24 | 86.0°F (1906) | 18.0°F (1956) | 4.55 in (1897) |
| April 25 | 87.1°F (1949) | 21.0°F (1928) | 1.70 in (1905) |
| April 26 | 90.0°F (1989) | 25.0°F (2022) | 1.65 in (1957) |
| April 27 | 90.0°F (1956) | 26.1°F (2022) | 2.59 in (2009) |
| April 28 | 90.0°F (1910) | 27.0°F (1966) | 1.76 in (1917) |
| April 29 | 91.9°F (1910) | 21.9°F (1958) | 1.68 in (2019) |
| April 30 | 87.1°F (1895) | 24.1°F (1907) | 1.32 in (2006) |