July weather in Des Moines, IA
The average temperature in Des Moines in July is 76.0°F (66.4°F–85.6°F). Average precipitation: 3.82 inches.
July is a summer month in Des Moines, and is warmer than the annual average of 50.9°F. Daily temperatures swing about 19.2°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 14h 44m. For travel, July is a comfortable month to visit.
Avg High
85.6°F
Avg Low
66.4°F
Precipitation
3.82 in
Daylight
14h 44m
July records in Des Moines
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| July 1 | 99.0°F (1970) | 50.0°F (1995) | 2.89 in (1973) |
| July 2 | 100.0°F (1974) | 50.0°F (1945) | 2.92 in (1958) |
| July 3 | 100.9°F (1977) | 48.9°F (1967) | 3.18 in (1981) |
| July 4 | 102.0°F (1977) | 48.0°F (1967) | 1.03 in (1995) |
| July 5 | 102.0°F (1977) | 48.0°F (1972) | 1.99 in (2014) |
| July 6 | 102.9°F (1977) | 51.1°F (1972) | 1.87 in (1982) |
| July 7 | 100.0°F (2012) | 53.1°F (1972) | 1.41 in (2024) |
| July 8 | 97.0°F (1948) | 55.9°F (1952) | 1.05 in (1968) |
| July 9 | 100.0°F (1984) | 54.0°F (1953) | 2.31 in (1988) |
| July 10 | 100.0°F (1966) | 48.9°F (1945) | 2.58 in (2002) |
| July 11 | 102.9°F (1954) | 54.0°F (1945) | 2.07 in (2025) |
| July 12 | 102.0°F (1957) | 55.9°F (1975) | 2.28 in (1987) |
| July 13 | 102.9°F (1954) | 51.1°F (1950) | 2.17 in (1992) |
| July 14 | 102.0°F (1977) | 48.9°F (1967) | 2.73 in (1984) |
| July 15 | 100.0°F (1956) | 52.0°F (1967) | 1.13 in (1977) |
| July 16 | 98.1°F (1957) | 55.0°F (1985) | 0.93 in (2015) |
| July 17 | 100.9°F (1957) | 54.0°F (2009) | 2.84 in (1996) |
| July 18 | 102.9°F (1974) | 55.9°F (2023) | 2.17 in (1989) |
| July 19 | 104.0°F (1974) | 52.0°F (1947) | 3.53 in (2016) |
| July 20 | 104.0°F (1983) | 54.0°F (1970) | 2.77 in (2025) |
| July 21 | 104.0°F (1974) | 51.1°F (1947) | 1.74 in (1961) |
| July 22 | 104.0°F (2012) | 51.1°F (1947) | 1.21 in (1966) |
| July 23 | 105.1°F (2012) | 54.0°F (1947) | 1.63 in (1968) |
| July 24 | 102.0°F (2012) | 57.0°F (1950) | 1.35 in (2008) |
| July 25 | 106.0°F (2012) | 55.9°F (1946) | 0.89 in (1948) |
| July 26 | 102.9°F (1956) | 53.1°F (1962) | 2.32 in (1984) |
| July 27 | 102.0°F (1955) | 53.1°F (1971) | 1.40 in (2008) |
| July 28 | 102.9°F (1983) | 51.1°F (2013) | 2.44 in (2015) |
| July 29 | 100.0°F (1947) | 51.1°F (1971) | 1.01 in (1948) |
| July 30 | 102.9°F (1955) | 46.9°F (1971) | 1.06 in (2024) |
| July 31 | 105.1°F (1955) | 48.9°F (1971) | 3.55 in (2024) |