July weather in Diagonal, IA
The average temperature in Diagonal in July is 74.2°F (63.9°F–84.6°F). Average precipitation: 4.40 inches.
July is a summer month in Diagonal, and is warmer than the annual average of 49.6°F. Daily temperatures swing about 20.7°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 14h 39m. For travel, July is a comfortable month to visit.
Avg High
84.6°F
Avg Low
63.9°F
Precipitation
4.40 in
Daylight
14h 39m
July records in Diagonal
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| July 1 | 102.0°F (1911) | 48.0°F (1995) | 2.33 in (1993) |
| July 2 | 102.9°F (1911) | 45.0°F (1959) | 2.88 in (1958) |
| July 3 | 105.1°F (1911) | 45.0°F (1968) | 2.20 in (1903) |
| July 4 | 108.0°F (1911) | 45.0°F (1967) | 1.88 in (1995) |
| July 5 | 109.0°F (1911) | 45.0°F (1997) | 3.90 in (1909) |
| July 6 | 100.0°F (1954) | 48.9°F (1967) | 3.70 in (1909) |
| July 7 | 100.9°F (1897) | 48.0°F (1908) | 3.00 in (1982) |
| July 8 | 100.0°F (1989) | 51.1°F (1908) | 1.91 in (1933) |
| July 9 | 100.9°F (1901) | 45.0°F (1895) | 2.58 in (1969) |
| July 10 | 102.0°F (1901) | 48.0°F (1945) | 2.88 in (1922) |
| July 11 | 102.9°F (1911) | 46.9°F (1996) | 2.25 in (1923) |
| July 12 | 104.0°F (1914) | 50.0°F (1903) | 4.10 in (1915) |
| July 13 | 107.1°F (1934) | 50.0°F (1950) | 1.94 in (1927) |
| July 14 | 106.0°F (1936) | 45.0°F (1967) | 1.59 in (1993) |
| July 15 | 109.9°F (1934) | 48.0°F (1930) | 3.71 in (1907) |
| July 16 | 102.0°F (1936) | 46.9°F (2014) | 2.60 in (1900) |
| July 17 | 105.1°F (1936) | 48.9°F (2009) | 3.05 in (1922) |
| July 18 | 107.1°F (1934) | 50.0°F (2009) | 3.50 in (2016) |
| July 19 | 109.9°F (1934) | 51.1°F (1947) | 5.00 in (1895) |
| July 20 | 109.0°F (1934) | 51.1°F (1970) | 5.50 in (1990) |
| July 21 | 108.0°F (1934) | 48.9°F (1947) | 4.30 in (1928) |
| July 22 | 108.0°F (1901) | 51.1°F (1925) | 1.47 in (1917) |
| July 23 | 102.9°F (1934) | 52.0°F (1904) | 0.88 in (1981) |
| July 24 | 109.0°F (1901) | 50.0°F (1911) | 4.26 in (2008) |
| July 25 | 111.9°F (1936) | 51.1°F (1911) | 3.31 in (2008) |
| July 26 | 105.1°F (1936) | 46.9°F (1962) | 2.14 in (1972) |
| July 27 | 104.0°F (1930) | 51.1°F (1962) | 2.60 in (2020) |
| July 28 | 102.0°F (1931) | 44.1°F (2013) | 2.47 in (1915) |
| July 29 | 102.0°F (1913) | 41.0°F (1982) | 2.00 in (1979) |
| July 30 | 102.0°F (1913) | 43.0°F (1971) | 1.16 in (1915) |
| July 31 | 100.9°F (1955) | 46.9°F (1925) | 2.56 in (2021) |