July weather in Decorah, IA
The average temperature in Decorah in July is 73.5°F (62.6°F–84.4°F). Average precipitation: 4.42 inches.
July is a summer month in Decorah, and is warmer than the annual average of 48.5°F. Daily temperatures swing about 21.8°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 14h 54m. For travel, July is a comfortable month to visit.
Avg High
84.4°F
Avg Low
62.6°F
Precipitation
4.42 in
Daylight
14h 54m
July records in Decorah
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| July 1 | 104.0°F (1911) | 39.9°F (1924) | 2.41 in (1983) |
| July 2 | 108.0°F (1911) | 41.0°F (1924) | 4.50 in (1933) |
| July 3 | 102.9°F (1911) | 41.0°F (1924) | 1.90 in (1918) |
| July 4 | 104.0°F (1911) | 41.0°F (1967) | 1.60 in (1903) |
| July 5 | 104.0°F (1911) | 44.1°F (1967) | 1.94 in (1901) |
| July 6 | 106.0°F (1936) | 45.0°F (1915) | 2.42 in (2022) |
| July 7 | 104.0°F (1936) | 42.1°F (1997) | 1.51 in (1915) |
| July 8 | 100.9°F (1936) | 42.1°F (1894) | 1.76 in (1952) |
| July 9 | 104.0°F (1936) | 42.1°F (1895) | 3.09 in (1903) |
| July 10 | 102.9°F (1936) | 44.1°F (1895) | 2.43 in (1993) |
| July 11 | 107.1°F (1936) | 43.0°F (1926) | 1.92 in (1923) |
| July 12 | 100.9°F (1936) | 43.0°F (1895) | 2.10 in (1972) |
| July 13 | 109.0°F (1936) | 41.0°F (1926) | 2.43 in (1992) |
| July 14 | 111.0°F (1936) | 37.9°F (1926) | 2.08 in (1966) |
| July 15 | 105.1°F (1910) | 39.9°F (1930) | 2.88 in (2022) |
| July 16 | 102.9°F (1910) | 45.0°F (1912) | 3.06 in (1957) |
| July 17 | 106.0°F (1936) | 43.0°F (1911) | 2.80 in (2016) |
| July 18 | 100.0°F (1936) | 45.0°F (1924) | 2.50 in (1915) |
| July 19 | 100.0°F (1931) | 45.0°F (1912) | 2.39 in (1906) |
| July 20 | 105.1°F (1901) | 45.0°F (2009) | 2.80 in (1912) |
| July 21 | 107.1°F (1901) | 44.1°F (1992) | 1.96 in (1953) |
| July 22 | 102.0°F (1934) | 46.9°F (1894) | 2.41 in (2002) |
| July 23 | 105.1°F (1901) | 42.1°F (1911) | 3.07 in (2016) |
| July 24 | 107.1°F (1901) | 46.9°F (1904) | 3.79 in (2022) |
| July 25 | 105.1°F (1901) | 48.0°F (1905) | 1.33 in (2005) |
| July 26 | 104.0°F (1894) | 44.1°F (1962) | 2.03 in (1918) |
| July 27 | 100.0°F (1894) | 46.0°F (1937) | 3.46 in (1953) |
| July 28 | 99.0°F (1955) | 45.0°F (1925) | 1.61 in (1911) |
| July 29 | 99.0°F (1916) | 43.0°F (1925) | 6.08 in (1970) |
| July 30 | 100.0°F (1955) | 42.1°F (1899) | 1.54 in (1979) |
| July 31 | 100.9°F (1988) | 42.1°F (1895) | 2.86 in (1919) |