July weather in Ottumwa, IA
The average temperature in Ottumwa in July is 75.1°F (64.5°F–85.7°F). Average precipitation: 3.87 inches.
July is a summer month in Ottumwa, and is warmer than the annual average of 50.7°F. Daily temperatures swing about 21.2°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 14h 40m. For travel, July is a comfortable month to visit.
Avg High
85.7°F
Avg Low
64.5°F
Precipitation
3.87 in
Daylight
14h 40m
July records in Ottumwa
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| July 1 | 100.0°F (1956) | 51.1°F (1988) | 2.42 in (2020) |
| July 2 | 96.1°F (1974) | 50.0°F (1959) | 2.70 in (1992) |
| July 3 | 98.1°F (1990) | 51.1°F (2014) | 2.09 in (1974) |
| July 4 | 99.0°F (1977) | 51.1°F (1967) | 3.41 in (2010) |
| July 5 | 99.0°F (1977) | 48.0°F (1972) | 1.76 in (1993) |
| July 6 | 102.0°F (1948) | 52.0°F (2006) | 2.93 in (1998) |
| July 7 | 102.9°F (2012) | 48.9°F (1984) | 1.52 in (1986) |
| July 8 | 97.0°F (1980) | 53.1°F (2018) | 1.38 in (1959) |
| July 9 | 99.0°F (1984) | 54.0°F (1953) | 2.19 in (1955) |
| July 10 | 105.1°F (1966) | 54.0°F (1996) | 1.52 in (2021) |
| July 11 | 100.0°F (1966) | 55.0°F (2013) | 1.05 in (1979) |
| July 12 | 102.9°F (1954) | 54.0°F (2007) | 3.78 in (1989) |
| July 13 | 102.0°F (1977) | 52.0°F (1950) | 1.96 in (1992) |
| July 14 | 102.9°F (1980) | 50.0°F (1967) | 1.73 in (1969) |
| July 15 | 100.9°F (1980) | 52.0°F (2014) | 2.27 in (1984) |
| July 16 | 99.0°F (1957) | 48.9°F (2014) | 2.52 in (1982) |
| July 17 | 98.1°F (1954) | 51.1°F (2009) | 1.60 in (2019) |
| July 18 | 102.9°F (2012) | 51.1°F (2009) | 1.90 in (1969) |
| July 19 | 98.1°F (1977) | 51.1°F (2024) | 2.47 in (1962) |
| July 20 | 100.9°F (1983) | 53.1°F (2009) | 1.45 in (1997) |
| July 21 | 100.9°F (1983) | 53.1°F (1970) | 2.52 in (1978) |
| July 22 | 105.1°F (1983) | 54.0°F (2007) | 1.33 in (1957) |
| July 23 | 106.0°F (2012) | 53.1°F (2003) | 2.44 in (1968) |
| July 24 | 99.0°F (2005) | 52.0°F (2003) | 2.06 in (2001) |
| July 25 | 104.0°F (2012) | 55.0°F (2022) | 1.90 in (2014) |
| July 26 | 100.0°F (1956) | 52.0°F (1962) | 1.51 in (1972) |
| July 27 | 102.9°F (1956) | 48.9°F (2013) | 2.29 in (1957) |
| July 28 | 105.1°F (1983) | 48.0°F (2013) | 1.45 in (1957) |
| July 29 | 102.9°F (1999) | 48.9°F (2013) | 1.96 in (2024) |
| July 30 | 102.9°F (1980) | 48.0°F (1971) | 2.31 in (1959) |
| July 31 | 102.0°F (1987) | 48.9°F (1971) | 2.20 in (2021) |